Chevrolet TSB #A202302140 01
2021 Chevrolet Trailblazer
Affected Component: FUEL SYSTEM, GASOLINE
- Summary
- Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test and if necessary, replace the oil pump.