Chevrolet TSB #N212333800
2021 Chevrolet Silverado 1500
Affected Component: ELECTRICAL SYSTEM
- Summary
- Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). The Engine Control Module (ECM) may not have been programmed with the calibrations appropriate for the performance air intake system installed on the engine in these vehicles. Dealers will reprogram the ECM.