P1811 OBD Trouble Code

1 result found

P1811 - 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.

Try also: https://www.obd-codes.com/p1811