When to Perform the Procedure
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Failure to perform this procedure may result in poor system performance, DTCs being set, or customer dissatisfaction.
This procedure is required when the following component has been repaired, replaced, removed, or serviced:
- K71 Transmission Control Module
- T12 Automatic Transmission Assembly
- Any condition/repair related to the following: Shift Quality
- Calibration UpdateorSoftware Update
- Torque Converter Assembly
- Transmission - External/Internal Components