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Home >> GMC >> 2008 >> Yukon 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 >> Notes
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Circuit/System Testing: Notes

WARNING: This page is about a different variant/trim than selected.
  1. Inspect for DTC P0C2B. Diagnose P0C2B before performing this procedure.
  2. Ignition ON, engine OFF, observe the Aux. Trans. Fluid Pump Fault Status 1 and Aux. Trans. Fluid Fault Status 2 displays with the scan tool.
  3. Command the aux. trans. fluid pump speed to 50 percent with the scan tool.
    • Refer to the applicable diagnostic procedure below for the fault status indicated by the scan tool display.
    • If No Fault status is displayed, review the Freeze Frame/Failure Records and perform the diagnosis indicated by the Fault Status parameter display.
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