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Home >> GMC >> 2022 >> Terrain AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Service Fast Learn Procedure >> When to Perform the Procedure

When to Perform the Procedure

WARNING: This page is about a different car, the 2021 GMC Terrain. 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:

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