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Home >> Chevrolet >> 2008 >> Tahoe Base, 4.8 C >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P2797 >> Circuit/System Testing >> Unable to Start

Unable to Start

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  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