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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1382 (Hybrid Cooling System) >> 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 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the hybrid battery air inlet and outlet temperature parameters with a scan tool. The hybrid battery inlet and outlet air temperature should be between -39 and +95°C (-38 and +203°F).
  2. Ignition ON, using a scan tool, command the hybrid battery pack fan speed to 60 percent and let it run for 2 minutes. The inlet and outlet air temperature parameters should be within 10°C (18°F) of each other.
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