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GMC TSB #PI0845
2012 GMC Sierra 1500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO PERFORM AN AIR LEAK INSPECTION TO CORRECT A CUSTOMER CONCERN ON AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL), AND A REDUCED ENGINE POWER MESSAGE DISPLAYED DUE TO THE ENGINE CONTROL MODULE (ECM) DETECTING THAT THE DIESEL PARTICULATE FILTER (DPF) HAS ACCUMULATED 70 GRAMS OR MORE OF SOOT.
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO PERFORM AN AIR LEAK INSPECTION TO CORRECT A CUSTOMER CONCERN ON AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL), AND A REDUCED ENGINE POWER MESSAGE DISPLAYED DUE TO THE ENGINE CONTROL MODULE (ECM) DETECTING THAT THE DIESEL PARTICULATE FILTER (DPF) HAS ACCUMULATED 70 GRAMS OR MORE OF SOOT.