Service Update
Chevrolet technical service bulletin N242450630 for 2022 Chevrolet Silverado 1500, 2022 GMC Sierra 1500 and 2021-2023 Cadillac CT4.
- Bulletin number
- N242450630 (N242450630)
- Component
- Unknown or other
- Summary
- Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
Vehicles covered
- Chevrolet Silverado 1500 2022 2022
- GMC Sierra 1500 2022 2022
- Cadillac CT4 2021-2023 202120222023
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