- April 17: GM Shift to Park Recall Needed, Alleges Class Action Lawsuit news | 18 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 56 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 62 days ago
- February 22: Chevy Silverado Crushed Roof Lawsuit Moves Forward news | 73 days ago
- February 12: Chevrolet Cruze Class Action Lawsuit: No Settlement news | 83 days ago
Chevrolet TSB #A222379710
2021 Chevrolet Trailblazer
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- Service Update. In certain vehicles, if the Engine Control Module (ECM) sets the DTC P0521 (Engine Oil Pressure Sensor Performance), the ECM cannot clear the permanent status of this DTC. If the ECM had previously set a DTC P0521 and the permanent status is not properly cleared, the vehicle may not pass certain Emissions Inspection/Maintenance (I/M) tests. Dealers are to reprogram the ECM.
Click a tab for more information.