CVT System Symptom Troubleshooting Index
NOTE: Do an all DTC check with the HDS, and troubleshoot any DTCs first before following the repair procedures listed in the index.

Symptom
Probable cause(s)
Notes
With the vehicle in the ON mode, the shift position indicator displays an improper indication, or it never displays at all
F-CAN communication line error
Gauge control module defective
TCM defective
Transmission range switch defective or out of adjustment
Transmission range switch circuit
Shift cable broken or out of adjustment
Control pin broken
Control shaft, roller, detent lever, and detent spring worn or damaged
Inspect the open or short in the wire between the TCM and transmission range switch.
Check the control shaft, roller, detent lever, and detent spring for wear and damage.
Shift lever cannot be moved from P position/mode while pressing on the brake pedal
Shift lock solenoid defective
Shift lock solenoid control circuit
Shift lock mechanism defective
Transmission range switch defective
Transmission range switch circuit
Brake pedal position switch circuit
Brake pedal position switch defective
Accelerator pedal position sensor circuit
Accelerator pedal position sensor defective
Throttle body defective
When you press the paddle shifter, the transmission does not upshift/downshift (With paddle shifter)
A problem in the paddle shifter circuit
Paddle shifter defective
TCM defective
M indicator does not come on even though the paddle shifter is operated in the S-paddle shift mode. (With paddle shifter)
F-CAN communication line error
Gauge control module defective
TCM defective
HDS does not communicate with the TCM
DLC circuit error
TCM defective
Engine does not start
Shift cable broken or out of adjustment
Control pin broken
Transmission range switch defective or out of adjustment
Drive plate worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Inspect the drive plate for wear and damage. If the drive plate is worn or damaged, replace it.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Engine runs, but vehicle does not move in any positions/modes
Low transmission fluid (HCF-2) level
Transmission range switch defective or out of adjustment
Engine output low
Transmission fluid strainer or CVTF warmer strainer clogged
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Input shaft assembly worn or damaged
Secondary drive/driven gear worn or damaged
Final driven gear worn or damaged
Sun gear worn or damaged
Control shaft, roller, detent lever, and detent spring worn or damaged
Control lever worn or damaged
Parking brake pawl and parking shaft worn or damaged
Manual valve worn or damaged
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Transmission fluid pump drive chain or transmission fluid pump drive/driven sprocket worn or damaged
Valve body assembly defective
Joint pipes defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output.
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Check the secondary drive/driven gear for wear and damage.
Check the final driven gear for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the control shaft, roller, detent lever, and detent spring for wear and damage.
Check the control lever for wear and damage.
Check the parking brake pawl and the parking shaft for wear and damage. If the parking brake pawl or the parking shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the manual valve for wear and damage.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the transmission fluid pump drive chain and the transmission fluid pump drive/driven sprocket for wear and damage.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Vehicle does not move in D, S, or L positions/modes
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Engine output low
Forward clutch defective
Reverse brake piston defective
Sun gear worn or damaged
Manual valve worn or damaged
Valve body assembly defective
Stator shaft worn or damaged
Adjust the engine output.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the manual valve for wear and damage.
Check the valve body assembly for wear and damage.
Check the stator shaft for wear and damage.
Vehicle does not move in R position/mode
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Reverse brake defective
Reverse brake piston defective
Planetary carrier assembly worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Thrust needle bearing or thrust washer on planetary carrier assembly seized, worn, or damaged
Manual valve worn or damaged
Valve body assembly defective
Stator shaft worn or damaged
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the planetary carrier assembly for wear and damage. If the planetary carrier assembly is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier assembly and the reverse brake for wear and damage.
Check the thrust needle bearing and the thrust washer on the planetary carrier assembly for seize, wear, and damage. If the thrust needle bearing or the thrust washer are seized, worn, or damaged, replace them and adjust the clearance with the thrust shim.
Check the manual valve for wear and damage.
Check the valve body assembly for wear and damage.
Check the stator shaft for wear and damage.
Engine stalls when shifted to D position/mode from N position/mode
Engine output low
Reverse brake defective
Reverse brake piston defective
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Engine stalls when shifted to R position/mode from N position/mode
Engine output low
Forward clutch defective
Planetary carrier assembly worn or damaged
Thrust needle bearing or thrust washer on planetary carrier assembly seized, worn, or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Check the planetary carrier assembly for wear and damage. If the planetary carrier assembly is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the thrust needle bearing and the thrust washer on the planetary carrier assembly for seize, wear, and damage. If the thrust needle bearing or the thrust washer are seized, worn, or damaged, replace them and adjust the clearance with the thrust shim.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
No shift to higher or lower ratio
TCM defective
Low transmission fluid (HCF-2) level
Transmission fluid strainer or CVTF warmer strainer clogged
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Valve body assembly defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Poor acceleration
TCM defective
CVT drive pulley speed sensor defective
Engine output low
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Valve body assembly defective
Joint pipes defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the CVT drive pulley speed sensor for wear and damage, and also check the O-ring for wear and damage.
Adjust the engine output.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Engine revs up abnormally high while driving, and no acceleration
TCM defective
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Forward clutch defective
Reverse brake defective
Reverse brake piston defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Transmission fluid pump drive chain or transmission fluid pump drive/driven sprocket worn or damaged
Valve body assembly defective
Joint pipes defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the transmission fluid pump drive chain and the transmission fluid pump drive/driven sprocket for wear and damage.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Excessive shock when accelerating and decelerating
TCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Forward clutch defective
Reverse brake defective
Reverse brake piston defective
Valve body assembly defective
Joint pipes defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
No engine braking
TCM defective
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Valve body assembly defective
Joint pipes defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Vehicle does not creep on a flat road in D, S, or L positions/modes
TCM defective
CVT drive pulley speed sensor defective
Engine output low
Low transmission fluid (HCF-2) level
Transmission fluid strainer or CVTF warmer strainer clogged
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Valve body assembly defective
Joint pipes defective
Solenoid wire harness worn or damaged
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the CVT drive pulley speed sensor for wear and damage, and also check the O-ring for wear and damage.
Adjust the engine output.
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Inspect the solenoid wire harness for open and short.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Vehicle moves in N position/mode, shift cable is properly adjusted
Forward clutch defective
Reverse brake defective
Reverse brake piston defective
Spring retainer/return spring assembly defective
Thrust needle bearing on input shaft assembly seized, worn, or damaged
Manual valve worn or damaged
Stator shaft worn or damaged
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the thrust needle bearing on the input shaft assembly for seize, wear, and damage. If the thrust needle bearing is seized, worn, or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Check the manual valve for wear and damage.
Check the stator shaft for wear and damage.
Late shift after shifting to D position/mode from N position/mode, and return to N position/mode
TCM defective
Torque converter turbine speed sensor defective
Low transmission fluid (HCF-2) level
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Transmission fluid strainer or CVTF warmer strainer clogged
Forward clutch defective
Manual valve worn or damaged
Valve body assembly defective
Joint pipes defective
Stator shaft worn or damaged
Check the torque converter turbine speed sensor for wear and damage, and also check the O-ring for wear and damage.
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Check the manual valve for wear and damage.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Check the stator shaft for wear and damage.
Late shift after shifting to R position/mode from N position/mode, and return to N position/mode
TCM defective
Torque converter turbine speed sensor defective
Low transmission fluid (HCF-2) level
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Transmission fluid strainer or CVTF warmer strainer clogged
Reverse brake defective
Reverse brake piston defective
Manual valve worn or damaged
Valve body assembly defective
Joint pipes defective
Stator shaft worn or damaged
Check the torque converter turbine speed sensor for wear and damage, and also check the O-ring for wear and damage.
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the manual valve for wear and damage.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Check the stator shaft for wear and damage.
Unstable engine speed
TCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid strainer or CVTF warmer strainer clogged
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Pulley pressure feed pipe defective
Forward clutch defective
Reverse brake defective
CVT drive pulley pressure control solenoid valve defective
CVT driven pulley pressure control solenoid valve defective
CVT clutch pressure control solenoid valve defective
CVT lock-up clutch control solenoid valve defective
Shift solenoid valve B defective
Shift solenoid valve O/P defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Valve body assembly defective
Joint pipes defective
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Excessive shock when starting off
TCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid strainer or CVTF warmer strainer clogged
Pulley pressure feed pipe defective
Forward clutch defective
Reverse brake defective
Reverse brake piston defective
Valve body assembly defective
Joint pipes defective
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Check the pulley pressure feed pipe and the sealing ring for wear and damage.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Vibration in all positions/modes
Engine output low
Input shaft assembly worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Excessive idle vibration in R, D, S, or L positions/modes
TCM defective
Engine output low
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Forward clutch defective
Input shaft assembly worn or damaged
Reverse brake defective
Reverse brake piston defective
Thrust washer on planetary carrier assembly seized, worn, or damaged
Valve body assembly defective
Joint pipes defective
Solenoid wire harness worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the thrust washer on the planetary carrier assembly for seize, wear, and damage. If the thrust washer is seized, worn, or damaged, replace it and adjust the clearance with the thrust shim.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Inspect the solenoid wire harness for open and short.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Excessive idle vibration in N and P positions/modes
TCM defective
Engine output low
Forward clutch defective
Input shaft assembly worn or damaged
Reverse brake defective
Reverse brake piston defective
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output.
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Noise from transmission in N and P positions/modes
Forward clutch defective
Input shaft assembly worn or damaged
Reverse brake defective
Reverse brake piston defective
Thrust needle bearing or thrust shim on input shaft assembly seized, worn, or damaged
Planetary carrier assembly worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Thrust needle bearing or thrust washer on planetary carrier assembly seized, worn, or damaged
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the thrust needle bearing and the thrust shim on the input shaft assembly for seize, wear, and damage. If the thrust needle bearing or the thrust shim are seized, worn, or damaged, replace them and also check the related part of the input shaft assembly for wear and damage.
Check the planetary carrier assembly for wear and damage. If the planetary carrier assembly is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier assembly and the reverse brake for wear and damage.
Check the thrust needle bearing and the thrust washer on the planetary carrier assembly for seize, wear, and damage. If the thrust needle bearing or the thrust washer are seized, worn, or damaged, replace them and adjust the clearance with the thrust shim.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Noise from transmission in D, S, or L positions/modes
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Input shaft assembly worn or damaged
Secondary drive/driven gear worn or damaged
Final driven gear worn or damaged
Control shaft, roller, detent lever, and detent spring worn or damaged
Parking brake pawl and parking shaft worn or damaged
Parking pawl spring worn or damaged
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Check the secondary drive/driven gear for wear and damage.
Check the final driven gear for wear and damage.
Check the control shaft, roller, detent lever, and detent spring for wear and damage.
Check the parking brake pawl and the parking shaft for wear and damage. If the parking brake pawl or the parking shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the parking pawl spring for wear and damage.
Noise from transmission in R position/mode
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Input shaft assembly worn or damaged
Reverse brake defective
Reverse brake piston defective
Spring retainer/return spring assembly defective
Secondary drive/driven gear worn or damaged
Final driven gear worn or damaged
Thrust needle bearing or thrust shim on input shaft assembly seized, worn, or damaged
Planetary carrier assembly worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Thrust needle bearing or thrust washer on planetary carrier assembly seized, worn, or damaged
Control shaft, roller, detent lever, and detent spring worn or damaged
Parking brake pawl and parking shaft worn or damaged
Parking pawl spring worn or damaged
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the secondary drive/driven gear for wear and damage.
Check the final driven gear for wear and damage.
Check the thrust needle bearing and the thrust shim on the input shaft assembly for seize, wear, and damage. If the thrust needle bearing or the thrust shim are seized, worn, or damaged, replace them and also check the related part of the input shaft assembly for wear and damage.
Check the planetary carrier assembly for wear and damage. If the planetary carrier assembly is worn or damaged, replace it and also check the planetary carrier pinion gears, the reverse brake, and the drive pulley shaft splines for wear and damage.
Check the sun gear for wear and damage. If the sun gear is worn or damaged, replace it and also check the planetary carrier pinion gears, the forward clutch, and the drive pulley shaft splines for wear and damage.
Check the ring gear for wear and damage. If the ring gear is worn or damaged, replace it and also check the planetary carrier assembly and the reverse brake for wear and damage.
Check the thrust needle bearing and the thrust washer on the planetary carrier assembly for seize, wear, and damage. If the thrust needle bearing or the thrust washer are seized, worn, or damaged, replace them and adjust the clearance with the thrust shim.
Check the control shaft, roller, detent lever, and detent spring for wear and damage.
Check the parking brake pawl and the parking shaft for wear and damage. If the parking brake pawl or the parking shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the parking pawl spring for wear and damage.
Stall speed high
TCM defective
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Forward clutch defective
Input shaft assembly worn or damaged
Reverse brake defective
Reverse brake piston defective
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Valve body assembly defective
Joint pipes defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the input shaft assembly.
Inspect the input shaft assembly for wear and damage. If the input shaft assembly is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.
Inspect the reverse brake piston and the O-rings. Check the spring retainer/return spring assembly for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and reverse brake plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Stall speed low
TCM defective
Engine output low
Valve body assembly defective
Joint pipes defective
Stator shaft worn or damaged
Torque converter assembly defective
Torque converter ring gear worn or damaged
Transmission assembly and drive plate installation defective
Adjust the engine output.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Check the stator shaft for wear and damage.
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Judder when starting off
Low transmission fluid (HCF-2) level
Transmission fluid (HCF-2) deteriorated
Transmission fluid strainer or CVTF warmer strainer clogged
Transmission fluid pump worn, binding, or foreign material in transmission fluid pump
Valve body assembly defective
Joint pipes defective
Check the transmission fluid (HCF-2) condition. If necessary, replace the transmission fluid (HCF-2).
Check the transmission fluid strainer and the CVTF warmer strainer for debris. If the transmission fluid strainer or the CVTF warmer strainer is clogged, find the damaged components that caused debris.
Check the transmission fluid pump for wear and damage. If the transmission fluid pump is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.
Check the joint pipes and O-rings for wear and damage.
Shift lever does not operate smoothly
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Control shaft, roller, detent lever, and detent spring worn or damaged
Control lever worn or damaged
Parking brake pawl and parking shaft worn or damaged
Manual valve worn or damaged
Stator shaft worn or damaged
Check the control shaft, roller, detent lever, and detent spring for wear and damage.
Check the control lever for wear and damage.
Check the parking brake pawl and the parking shaft for wear and damage. If the parking brake pawl or the parking shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the manual valve for wear and damage.
Check the stator shaft for wear and damage.
Transmission will not shift into P position/mode, or transmission cannot shift out of P position/mode
TCM defective
Drive pulley, driven pulley, pulley shaft, steel belt, and pulley related parts worn or damaged
Transmission range switch defective or out of adjustment
Shift cable broken or out of adjustment
Control pin broken
Control shaft, roller, detent lever, and detent spring worn or damaged
Control lever worn or damaged
Parking brake pawl and parking shaft worn or damaged
Park gear worn or damaged
Parking pawl spring worn or damaged
Manual valve worn or damaged
Valve body assembly defective
Stator shaft worn or damaged
Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.
Check the control shaft, roller, detent lever, and detent spring for wear and damage.
Check the control lever for wear and damage.
Check the parking brake pawl and the parking shaft for wear and damage. If the parking brake pawl or the parking shaft are worn or damaged, replace them and also check the park gear for wear and damage.
Check the park gear for wear and damage.
Check the parking pawl spring for wear and damage.
Check the manual valve for wear and damage.
Check the valve body assembly for wear and damage.
Check the stator shaft for wear and damage.
Torque converter clutch does not disengage; engine stalls easily
Shift solenoid valve B defective
CVT lock-up clutch control solenoid valve defective
Torque converter clutch piston defective
Valve body assembly defective
Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.
Check the valve body assembly for wear and damage.