GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Maximum Adaptive & Long Term Shift (4T80-E Transmission)
Cause:
    Engine running and an adaptable shift has occurred, then the PCM detected during the following conditions occurred twice per trip: Condition 1: 1-2 Shift over 0.65 seconds and 1 -2 Shift adaptive reached its limit. Case 2: 2-3 Shift over 0.65 seconds and 2-3 Shift adaptive reached its limit. Case 3: 3-4 Shift over 0.65 seconds and 3-4 Shift adaptive reached its limit.