CHEVROLET
Reported code forms P2797
This Preliminary information communicates to dealers on how to diagnose and repair the vehicle if it setsDiagnostic trouble codes P0AC4 (ECM) and P2797 (HPCM)
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P2797 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CADILLAC, CHEVROLET, GMC
Reported code forms P2797
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS FOR DIAGNOSING AND REPAIRING VEHICLES WITH DIAGNOSTIC TROUBLE CODE P0C2B WITH OR WITHOUT P2797. TECHNICIAN SHOULD NOT…
CHEVROLET
Reported code forms P2797
GM: THE VEHICLE MAY HAVE A HESITATION , BUMP OR JERKING FEEL ON LAUNCH. THERE MAYBE A STORED DTC P2797 IN HISTORY OR ACTIVE CODE. THIS MAY BE CAUSED BY LOW OR NO AUXILIARY FLUID PUMP PRESSURE. *JS
CADILLAC, CHEVROLET, GMC
Reported code forms P2797
CADILLAC/CHEVROLET/GMC: ROUGH TRANSITION TO AUTO STOP OR NO AUTO STOP, MALFUNCTION INDICATOR LAMP (MIL) ON, DTC P2797 SET. SOME VEHICLES MAY HAVE EXPERIENCED A CUT OR CHAFFING TO THE AUXILIARY TRANSMISSION PUMP HARNESS,…