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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1620 (Engine Cooling System - Hybrid) >> Diagnostic Information and Procedures >> DTC P0AAD-P0AAF or P0AB2-P0AB4 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC P0A80, P0A81 or P0BBD is not set.
  2. Ignition ON, using a scan tool, command the hybrid battery pack fan speed to 60 percent and let it run for 2 minutes.
  3. Observe the scan tool hybrid battery air inlet and outlet temperature parameters. The readings should be between -39 and +95°C (-38.2 and +203°F) with no greater than a 10°C ( 50°F) difference. Refer to Temperature Versus Resistance .
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