5L40E No Reverse and High TCC Slip in Forward Gears

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

The 5L40E automatic transmission may experience a condition of no reverse and high TCC slip speed in forward gears when TCC is requested. DTC P0741 may or may not be set.

Replace TCC PWM solenoid, Part Number 96041867.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.