High or low line pressure

High or low oil level

Add or remove the oil as required.

Transaxle wiring harness is loose, has damaged pins, or is contaminated.

Inspect the transaxle wiring harness connector, and repair/replace as necessary.

Damaged, sticking, or disconnected throttle position sensor

Inspect the throttle position sensor and harness, and repair/replace as necessary.

Throttle position sensor has an intermittent open or a shorted circuit.

Use a scan tool to check for an intermittent open or short in the TP sensor circuit by monitoring the TP SENSOR while moving the throttle from 0-100 percent. The voltage should change smoothly.

Clogged or restricted oil cooler lines

Inspect the oil cooler lines, and repair/replace as necessary.

Leaking cooler pipe seals

Replace the cooler pipe seals.

Clogged, broken, or loose transaxle fluid filter assembly

Replace the fluid filter and fluid filter seal.

Leaking transaxle fluid filter seal

Replace the transaxle fluid filter and fluid filter seal.

Pressure control solenoid has damaged/leaking O-rings, or is contaminated.

Replace the pressure control solenoid.

Loose connector, or damaged pins on pressure control solenoid

Inspect the pressure control solenoid and harness, and repair/replace as necessary.

Damaged, sticking, porous, or leaking transaxle oil pump assembly

Inspect the transaxle oil pump assembly, and replace as necessary.

Damaged oil pump drive shaft

Replace the oil pump drive shaft.

Damaged spring or missing checkball in pressure relief valve.

Replace the oil pump.

Pressure regulator valve stuck.

Inspect the pressure regulator valve, and replace as necessary.

Isolator and/or pressure regulator valve spring stuck.

Inspect the springs, and replace as necessary.

Stuck pressure regulator boost valve.

Inspect the pressure regulator boost valve, and replace as necessary.

Stuck torque signal regulator valve

Inspect the torque signal regulator valve, and replace as necessary.

Porosity, leaking circuits or uneven surface finish in transaxle case (51)

Inspect the transaxle case, and replace as necessary.

Porosity, leaking circuits or uneven surface finish in control valve body assembly

Inspect the control valve body assembly, and replace as necessary.

Porosity, leaking circuits or uneven surface finish in channel plate

Inspect the channel plate, and repair/replace as necessary.

Inaccurate/inconsistent shift points

Damaged or disconnected throttle position sensor

Inspect the throttle position sensor and harness, and repair/replace as necessary.

Throttle position sensor has an intermittent open or a shorted circuit.

Use a scan tool to check for an intermittent open or short in the TP sensor circuit by monitoring the TP SENSOR while moving the throttle from 0-100 percent. Voltage should change smoothly.

Contamination of shift solenoids

Replace the shift solenoids.

Shift solenoids have an intermittent open or shorted circuit.

Inspect the harness and shift solenoids, and replace as necessary.

Damaged, disconnected, or loose output shaft speed and input shaft speed sensors

Inspect the harness and sensors, and replace as necessary.

Output or input shaft speed sensors have an intermittent open or a shorted circuit.

Replace the faulty sensor.

Line pressure high

Refer to High or Low line pressure.

Checkballs missing -- no orifice apply

Inspect the channel plate and insert the necessary checkballs.

Accumulator springs or accumulator pistons binding

Inspect the accumulators, and replace as necessary.

Accumulator valve stuck

Inspect the accumulator valves, and replace as necessary.

Reverse or direct clutch housing exhaust checkballs plugged.

Clean the housings and checkballs, and replace if necessary.

No reverse or slips in reverse

Fluid level low

Add transaxle fluid.

Fluid pressure low

Refer to High or Low Line Pressure.

Shift cable disconnected or misadjusted

Inspect the cable, and repair or readjust.

Lo/reverse band anchor pin broken

Replace the anchor pin.

Oil feed tube assembly broken, bent, or plugged

Inspect the oil feed tube assembly, and repair/replace as necessary.

Missing or leaking oil feed tube assembly seals

Replace the seals as needed.

Lo/reverse servo piston broken or binding

Inspect the lo/reverse servo piston, and repair/replace as necessary.

Lo/reverse servo piston seals leaking

Replace the piston/seal as necessary.

Servo pin and springs binding

Inspect the servo pin and springs, and repair/replace as necessary.

Lo/Reverse servo cover broken, loose, or leaking

Inspect the lo/reverse servo cover, and repair/replace as necessary.

#1 checkball missing, no low band fluid

Replace the #1 checkball.

Manual valve and manual valve to detent lever link disconnected or misaligned

Connect or realign the manual valve.

Possible porosity, fluid leak across channels, misalignment, damage, or fluid restriction in control valve body assembly, gaskets, and channel plate

Inspect the control valve body assembly, gaskets, and channel plate, and replace the faulty components.

Driven sprocket support seals leaking

Replace the seals.

Porosity, cracked, or misaligned driven sprocket support assembly

Inspect the driven sprocket support assembly, and replace as necessary.

Binding, cracked, or leaking reverse clutch piston assembly

Replace the reverse clutch piston assembly.

Plugged reverse clutch center retainer and seal assembly

Inspect the reverse clutch center retainer and seal assembly, and replace as necessary.

Worn friction material or broken splines on reverse clutch plates

Replace the fiber plates, and inspect the steel plates. Replace as necessary.

Reverse clutch snap ring out of position

Inspect/re-position the snap ring and housing, and replace the faulty components.

Reverse clutch housing is cracked, has plugged feed holes, or broken tangs

Inspect the reverse clutch housing, and repair/replace as necessary.

Reverse clutch housing exhaust checkball missing or out of position

Inspect the housing for checkball, and repair/replace as necessary.

Reverse clutch spring and retainer assembly binding

Inspect the spring assembly, and repair/replace as necessary.

Fluid leak or restriction in reverse clutch fluid routing

Check the reverse clutch circuit, and repair as necessary.

Lo/reverse band is binding, broken, worn, or out of position

Inspect the lo/reverse band, and repair/replace as necessary.

Transaxle case has porosity

Inspect the transaxle case, and replace as necessary.

No First Gear, Slips in First Gear.

Line pressure is low.

Refer to High or Low Line Pressure.

Oil feed tube assembly is bent, broken, or plugged.

Inspect to determine if flushing or replacement is needed.

Leaking oil feed tube assembly seals.

Replace the seal rings on the oil feed tubes.

Leaking drive switch O-ring on TFP manual valve position switch assembly.

Replace the O-ring.

1-2 shift solenoid failed OFF.

Replace the 1-2 shift solenoid.

Leaking 1-2 shift solenoid.

Inspect the 1-2 shift solenoid, and repair/replace as necessary.

1-2 shift valve stuck in upshifted position.

Inspect the 1-2 shift valve, and replace as necessary.

2-3 shift solenoid failed ON.

Replace the 2-3 shift solenoid.

Plugged exhaust from 2-3 shift solenoid.

Inspect the 2-3 shift solenoid, and repair/replace as necessary.

Channel plate and gasket have porosity, are misaligned, are loose or restricted, or have a fluid leak across the channels.

Inspect to determine if flushing, realignment, tightening, or replacement is needed.

Misalignment in manual valve.

Inspect the manual valve, and replace as necessary.

Misalignment in shift cable.

Realign the shift cable.

Binding, cracked, or leaking forward clutch piston assembly

Replace the forward clutch piston assembly.

Plugged forward clutch inner seal and sleeve assembly.

Inspect the forward clutch inner seal and sleeve assembly, and replace if needed.

Worn friction material or broken splines on forward clutch plates.

Replace the fiber plates, inspect the steel plates, and replace as necessary.

Forward clutch snap ring out of position.

Inspect/re-position the snap ring and housing, and replace faulty components.

Forward clutch housing cracked or has plugged feed holes.

Inspect the forward clutch housing, and repair/replace as necessary.

Forward clutch housing exhaust checkball is missing or out of position.

Inspect the forward clutch housing for the checkball, and repair/replace as necessary.

Forward clutch return spring assembly binding.

Inspect the spring assembly, and repair/replace as necessary.

Input sprag assembly damaged or not holding.

Replace the input sprag.

Lo roller clutch assembly damaged or not holding.

Replace the lo roller clutch.

Fluid leak or restriction in forward clutch fluid routing passages.

Check the forward clutch circuit, and repair/replace as necessary.

Porosity in forward clutch support assembly.

Replace the forward clutch support.

Leaking or damaged seal rings in forward clutch support assembly.

Replace the seal rings in the forward clutch support assembly.

Plugged feed holes in forward clutch support.

Flush the forward clutch support assembly.

Stator roller clutch is not holding in torque converter assembly.

Replace the torque converter.

No Second Gear, Slips in Second Gear.

Low line pressure.

Refer to High or Low Line Pressure.

Electrical or hydraulic malfunction in TFP manual valve position switch assembly.

Replace the TFP switch assembly.

1-2 shift solenoid stuck ON.

Replace the 1-2 shift solenoid.

1-2 shift solenoid plugged.

Clean or replace the 1-2 shift solenoid.

2-3 shift valve stuck in upshifted position.

Replace the 2-3 shift solenoid.

1-2 accumulator valve stuck.

Flush or replace the 1-2 accumulator.

Control valve body assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across channels.

Inspect the valve body to determine if flushing, realignment, tightening, or replacement is needed.

Gaskets and spacer plate have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the gaskets and spacer plate to determine if flushing, realignment, tightening, or replacement is needed.

Channel plate and gasket have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the channel plate and gasket to determine if flushing, realignment, tightening, or replacement is needed.

Driven sprocket support assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across channels.

Inspect the driven sprocket support to determine if flushing, realignment, tightening, or replacement is needed.

1-2 accumulator piston seal leaking.

Replace the 1-2 accumulator piston seal.

Channel plate or transaxle case porosity near 1-2 accumulator.

Inspect the channel plate and case for porosity, and replace as necessary.

Binding, cracked, or leaking second clutch piston assembly.

Replace the second clutch piston assembly.

Worn friction material or broken splines on second clutch plates.

Replace the fiber plates, inspect the steel plates, and replace as necessary.

Second clutch plate retaining ring out of position

Reposition the snap ring.

Second clutch spring assembly binding.

Inspect the spring assembly, and repair/replace as necessary.

Damaged, leaking, or porous driven sprocket support assembly.

Replace the driven sprocket support.

Fluid leak or restriction in second clutch fluid routing

Check the second clutch circuit, and repair/replace as necessary.

Second roller clutch assembly is broken, or not holding.

Replace the roller clutch.

Low oil level may cause slipping in second gear.

Add any necessary fluid.

No third gear, slips in third gear

Low line pressure

Refer to High or Low Line Pressure.

Malfunction, electrical or hydraulic, in TFP manual valve position switch assembly

Replace the TFP switch assembly.

2-3 shift solenoid stuck OFF

Replace the 2-3 shift solenoid.

2-3 shift solenoid leaking

Replace the 2-3 shift solenoid.

3-4 shift valve stuck in upshifted position

Replace the 3-4 shift valve.

2-3 accumulator piston seal leaking

Replace the piston seal.

Channel plate or case porosity near 2-3 accumulator

Inspect the channel plate and case for porosity, and replace as necessary.

Control valve body assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across channels.

Inspect the control valve body to determine if flushing, realignment, tightening, or replacement is needed.

Gaskets and spacer plate have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the gaskets and spacer plate to determine if flushing, realignment, tightening, or replacement is needed.

Channel plate and gasket have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the channel plate and gasket to determine if flushing, realignment, tightening, or replacement is needed.

Driven sprocket support assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across channels.

Inspect the driven sprocket support to determine if flushing, realignment, tightening, or replacement is needed.

Input shaft seals leaking

Replace the seals.

Damaged or misaligned sleeve on input shaft

Replace the input shaft.

Driven sprocket support seals leaking

Replace the seals.

Direct clutch piston assembly binding, cracked, or leaking

Replace the direct clutch piston assembly.

Worn friction material or broken splines on direct clutch plates

Replace the fiber plates, inspect the steel plates, and replace as necessary.

Direct clutch spring retainer ring out of position

Reposition the snap ring, and replace if necessary.

Direct clutch spring and retainer assembly

Realign or replace the spring.

Damaged or cracked direct and coast clutch housing

Replace the direct clutch housing.

Restricted feed holes in direct and coast clutch housing

Flush the direct clutch housing.

Direct and coast clutch and input shaft housing exhaust checkball for the direct clutch missing or out of position

Inspect the housing for checkball, and repair/replace as necessary.

Fluid leak or restriction in direct clutch fluid routing

Check the direct clutch circuit, and repair/replace as necessary.

Second gear only

1-2 shift valve stuck in downshifted position

Inspect the 1-2 shift valve, and replace as necessary

No fourth gear, slips in fourth gear

Line pressure low

Refer to High or Low Line Pressure.

Malfunction, electrical or hydraulic, in TFP manual valve position switch

Replace the TFP switch assembly.

1-2 shift solenoid stuck OFF

Replace the 1-2 shift solenoid.

1-2 shift solenoid leaking

Inspect the 1-2 shift solenoid, and repair/replace as necessary.

3-4 shift valve stuck in downshifted position

Replace the 3-4 shift valve.

3-4 accumulator valve stuck

Replace the 3-4 accumulator valve.

Manual valve misaligned in manual third gear

Inspect the manual valve, and replace as necessary.

Control valve body assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across channels.

Inspect the valve body to determine if flushing, realignment, tightening, or replacement is needed.

Gaskets and spacer plate have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the gaskets and spacer plate to determine if flushing, realignment, tightening, or replacement is needed.

Channel plate and gasket have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the channel plate and gasket to determine if flushing, realignment, tightening, or replacement is needed.

Transaxle case has porosity, is misaligned, or has a fluid leak across channels.

Inspect to determine if realignment or replacement is needed.

3-4 accumulator valve piston seal is leaking

Replace the seal.

Channel plate or case porosity near 3-4 accumulator valve

Inspect the channel plate and case for porosity, and replace as necessary.

Intermediate/fourth band and servo not applying or slipping

Replace the servo and/or band.

Intermediate/fourth servo piston broken or binding

Realign or replace the servo piston.

Intermediate/fourth servo piston or cover seals leaking

Replace the faulty seals.

Intermediate/fourth servo apply pin and return springs binding

Realign or replace the servo pin and springs.

Intermediate/fourth servo cover broken, loose, or leaking.

Secure or replace the servo cover.

Transaxle case cracked at the band seat

Replace the case.

Fluid leak in band apply fluid routing or fluid restricted

Check the intermediate/fourth band apply circuit, and repair/replace as necessary.

Low oil level may cause a drive failure in fourth gear.

Add any necessary fluid.

Loss of drive

Broken lugs or failed lug weld on torque converter assembly

Replace the torque converter.

Sheared torque converter assembly to flexplate bolts

Replace the bolts.

Worn turbine shaft splines on torque converter assembly

Replace the torque converter.

Internal torque converter assembly failure

Replace the torque converter.

Torque converter assembly cover cracked at the weld

Replace the torque converter.

Fluid level low

Add any necessary fluid.

Shift cable disconnected

Reattach the shift cable.

Transaxle oil filter assembly and transaxle oil filter seal plugged or missing

Replace the fluid filter and fluid filter seal.

Transaxle oil pump assembly seized or has broken pump gears

Replace the oil pump.

Oil pump drive shaft broken or has stripped splines

Replace the oil pump shaft.

Drive/driven sprockets and drive link assembly broken

Replace the sprockets and/or chain.

Control valve body, gaskets, and spacer plate damaged, leaking, or misaligned

Inspect the control valve body, gaskets, and spacer plate to determine if realignment, tightening, or replacement is needed.

Channel plate and gasket damaged, leaking, or misaligned

Inspect the channel plate and gasket to determine if realignment, tightening, or replacement is needed.

Turbine shaft has stripped splines

Replace the turbine shaft.

Input sprag assembly damaged or not holding

Refer to No First Gear, Slips in First Gear.

Forward clutch damaged or not holding

Refer to No First Gear, Slips in First Gear.

Lo roller clutch assembly damaged or not holding

Refer to No First Gear, Slips in First Gear.

Failure in planetary gears or lack of lube

Replace the planetary gear sets, and check the lube passages.

Differential and final drive assembly failure or lack of lube

Replace the differential and final drive assembly, and check the lube passages.

Worn, loose, or failed axle shafts

Replace the axle shafts.

Loss of power

Fluid level low

Add any transaxle fluid.

1-2 shift solenoid stuck OFF

Replace the 1-2 shift solenoid.

2-3 shift solenoid stuck ON

Replace the 2-3 shift solenoid.

TCC is stuck ON or dragging

Check the TCC system, and replace the faulty components.

Contaminated or damaged torque converter assembly

Replace the torque converter.

Engine stall

TCC is stuck ON or is dragging.

Check the TCC system, and replace the faulty components.

TCC solenoid is stuck ON.

Replace the TCC control PWM solenoid.

TCC solenoid exhaust is plugged.

Replace the TCC control PWM solenoid.

TCC regulated apply valve stuck in apply position.

Replace the apply valve.

First and second gear only

2-3 shift solenoid valve stuck OFF

Replace the 2-3 shift solenoid.

2-3 shift solenoid leaking

Replace the 2-3 shift solenoid.

2-3 shift solenoid has an electrical malfunction

Replace the 2-3 shift solenoid.

2-3 shift valve stuck in downshifted position

Replace the 2-3 shift valve.

Direct clutch failed, released

Inspect the direct clutch and direct clutch circuit, and replace the faulty components.

Third and fourth gear only

2-3 shift solenoid valve stuck ON

Replace the 2-3 shift solenoid.

2-3 shift solenoid is plugged.

Inspect the 2-3 shift solenoid, and repair/replace as necessary.

2-3 shift solenoid has an electrical malfunction.

Replace the 2-3 shift solenoid.

1-2 and 3-4 shift valves stuck in an upshifted position

Inspect the 1-2 and 3-4 shift valves, and replace as necessary.

First and fourth gear only

1-2 shift solenoid stuck ON

Replace the 1-2 shift solenoid.

1-2 shift solenoid is plugged.

Inspect the 1-2 shift solenoid, and repair/replace as necessary.

1-2 shift solenoid has an electrical malfunction.

Replace the 1-2 shift solenoid.

Second and third gear only

1-2 shift solenoid stuck OFF

Replace the 1-2 shift solenoid.

1-2 shift solenoid is leaking.

Inspect the 1-2 shift solenoid, and repair/replace as necessary.

1-2 shift solenoid has an electrical malfunction.

Replace the 1-2 shift solenoid.

No park

Parking lock actuator assembly bent or has a damaged rod

Inspect the parking lock actuator assembly, and repair/replace as necessary.

Binding or broken spring in parking lock actuator assembly

Inspect the parking lock actuator assembly, and repair/replace as necessary.

The rod of parking lock actuator assembly is not attached to manual shaft and detent lever assembly

Inspect the parking lock actuator assembly, and repair/replace as necessary.

Manual detent spring and roller assembly loose

Inspect the manual detent spring and roller assembly, and repair/replace as necessary.

Manual detent spring and roller assembly bent or damaged

Inspect the manual detent spring and roller assembly, and repair/replace as necessary.

Manual shaft and detent lever assembly damaged or loose

Inspect the manual shaft and detent lever assembly, and repair/replace as necessary.

Manual shaft to case pin missing in manual shaft and detent lever assembly

Inspect the manual shaft to case pin, and repair/replace as necessary.

Manual valve misaligned

Inspect the manual valve, and repair/replace as necessary.

Manual valve to detent lever link is bent

Inspect the manual valve to detent lever link, and repair/replace as necessary.

Parking lock pawl damaged or has a broken tooth

Replace the parking lock pawl.

Parking lock gear has damaged teeth/damaged splines.

Replace the parking lock pawl.

Parking lock pawl return spring broken or missing

Replace the parking lock pawl return spring, and repair/replace as necessary.

Shift cable misadjusted

Readjust the cable linkage.

No engine braking: all manual ranges

Oil line pressure low

Refer to High or Low Line Pressure.

3-4 shift valve stuck in fourth gear position, no coast clutch applied

Replace the 3-4 shift valve.

Manual valve misaligned

Inspect the manual valve, and repair/replace as necessary.

Control valve body assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across the channels.

Inspect the control valve body to determine if flushing, realignment, tightening, or replacement is needed.

Channel plate and gasket have porosity, are misaligned, are loose or restricted, or have a fluid leak across channels.

Inspect the channel plate and gasket to determine if flushing, realignment, tightening, or replacement is needed.

Driven sprocket support assembly has porosity, is misaligned, is loose or restricted, or has a fluid leak across channels.

Inspect the driven sprocket support to determine if flushing, realignment, tightening, or replacement is needed.

Driven sprocket support seals leaking

Replace the driven sprocket support seals.

Input shaft oil seal rings leaking

Replace the input shaft oil seal rings.

Input shaft bushing damaged or misaligned

Inspect the input shaft bushing, and replace as necessary.

Coast clutch piston assembly binding, cracked or leaking

Replace the coast clutch piston assembly.

Worn friction material or broken splines on coast clutch plates

Replace the fiber plates, inspect the steel plates, and replace as necessary.

Coast clutch release spring binding

Inspect the spring, and repair/replace as necessary.

Direct and coast clutch housing damaged or cracked

Inspect the direct and coast clutch housing and input shaft housing. Repair/replace as necessary.

Direct and coast clutch housing fluid feed holes restricted

Inspect the direct and coast clutch housing and input shaft housing. Repair/replace as necessary.

Direct and coast clutch housing exhaust checkball for the coast clutch missing or out of position

Inspect the housing for checkball, and repair/replace as necessary.

Fluid leak or restriction in coast clutch fluid routing

Check the coast clutch circuit, and repair as necessary.

No engine braking: manual second - second gear

Output shaft speed sensor reads 0 mph

Inspect the output shaft speed sensor, and replace as necessary.

TFP manual valve position switch assembly leaking or inoperative

Inspect the TFP manual valve position switch assembly, and replace as necessary.

Coast clutch not applied

Refer to No Engine Braking: All Manual Ranges.

Intermediate/fourth band not applied

Refer to No Fourth Gear: Slips in Fourth Gear.

No engine braking: manual first - first gear

Lo/reverse servo not applied

Inspect the lo/reverse servo and circuit, and replace faulty components.

TFP manual valve position switch assembly leaking or inoperative

Inspect the TFP manual valve position switch assembly, and replace as necessary.

#1 checkball missing

Replace the #1 checkball.

Coast clutch not applied

Refer to No Engine Braking: All Manual Ranges.

Drives in neutral

Manual valve and manual valve to detent lever link misaligned

Inspect the manual valve to detent lever link, and repair/replace as necessary.

Forward clutch not releasing

Inspect the forward clutch, and repair/replace the components as necessary.

Reverse clutch and lo/reverse servo, drives in reverse, not releasing

Inspect the reverse clutch and lo/reverse servo, and repair/replace as necessary.

No gear selection

Shift cable disconnected

Connect the shift cable.

Manual valve to detent lever link broken or missing

Inspect the manual valve to detent lever link, and replace as necessary.

Manual valve to link clip disconnected

Inspect the manual valve to link clip, and repair as necessary.

Manual valve stuck

Inspect the manual valve, and replace as necessary.

Control valve body assembly has blocked fluid channels

Inspect the control valve body assembly, and replace as necessary.

Channel plate has blocked fluid channels

Inspect the channel plate, and replace as necessary.

Transaxle case has blocked fluid channels

Inspect the transaxle case, and replace as necessary.

Shift indicator indicates wrong gear selection

Manual detent spring and roller assembly broken or missing

Inspect the manual detent spring and roller assembly, and replace as necessary.

Manual detent spring and roller assembly bolt loose

Inspect the manual detent spring and roller assembly, and replace as necessary.

Manual valve not connected to manual valve to detent lever link

Inspect the manual valve to detent lever link, and replace as necessary.

No TCC release

TCC solenoid has blocked exhaust or internal failure

Replace the TCC solenoid.

TCC solenoid has an external ground

Check the TCC solenoid electrical circuit, and repair as necessary.

TCC regulated apply valve and TCC control valve stuck in TCC apply position

Inspect the TCC regulated apply valve and TCC control valve. Replace as necessary.

Internal failure of torque converter assembly

Replace the torque converter assembly.

TCC apply with cold engine

Engine coolant temperature sensor malfunction

Inspect the coolant temperature sensor, and repair/replace as necessary.