GMC Savana: Power train — software

Affects GMC Savana · 2022–2023 — about 78K vehicles.

The hazard

Rear wheel lock-up or moving in an unintended direction can increase the risk of a crash.

What to do

Dealers will update the transmission control module software calibration, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N242471620.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational