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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Hybrid Cooling System) >> Diagnostic Information and Procedures >> DTC P0AAD-P0AAF or P0AB2-P0AB4 >> Circuit/System Verification

Circuit/System Verification

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  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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