Service Update: Certain vehicles may have an Engine Control Module that does not properly respond to...
Chevrolet technical service bulletin N222383020 for 2022 Chevrolet Silverado 1500 and 2022 GMC Sierra 1500.
- Bulletin number
- N222383020
- Component
- Engine and engine cooling: engine: engine control module (ecu/ECM)
- Summary
- Service Update: Certain vehicles may have an Engine Control Module that does not properly respond to certain service tool requests for the datafile CALID (part number) and CVN (checksum). This condition may cause a vehicle to fail an emissions Inspection/Maintenance (I/M) test. Dealers are to reprogram the Engine Control Module.
Owners of these vehicles have filed 551 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2022 2022
- GMC Sierra 1500 2022 2022
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