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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1358 (Hybrid Controls - DTC P181C To DTC P2797) >> DTC P2797 >> Circuit/System Testing >> Current Fault >> Unable to Start

Unable to Start

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. This display indicates the ATFP control module has monitored motor current of more than 20 A during motor start-up.
  2. Inspect for the following conditions:
    • Automatic transmission fluid pressure trapped internally
    • Poor terminal connection or wiring degradation
    • External indication of ATFP pump motor damage