Power train: automatic transmission
Chevrolet technical service bulletin N222380840 for 2022 Chevrolet Silverado 3500, 2022 Chevrolet 3500 and 2021 Chevrolet Silverado 4500 and others.
- Bulletin number
- N222380840
- Component
- Power train: automatic transmission
- Summary
- General Motors has decided to conduct a Voluntary Emissions Recall on certain vehicles with a 6.6L engine (RPO L8T). The Transmission Control Module (TCM) in these vehicles may have been service reprogrammed with incorrect calibrations. If this occurred, the transmission shift quality and timing could be degraded. Dealers are to reprogram the TCM.
Owners of these vehicles have filed 5 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 3500 2022 2022
- Chevrolet 3500 2022 2022
- Chevrolet Silverado 4500 2021 2021
- Chevrolet 4500HD 2021 2021
- Chevrolet 4500XD 2021 2021
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