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Home >> Cadillac >> 2013 >> Escalade Hybrid, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480, P0481, or P0482 (with HP2) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine operating, observe the DTC information with a scan tool. DTC P0480, P0481, or P0482 should not be set.
  2. Command the cooling fans ON and OFF at high speed while observing the scan tool circuit test status parameters listed below:
    • FC Relay 1 Ckt Open, Short Gnd, and Short Volts Test Status
    • FC Relay 2 Ckt Open, Short Gnd, and Short Volts Test Status
    • FC Relay 3 Ckt Open, Short Gnd, and Short Volts Test Status

      The parameters should display OK or Not Run in each of the commanded states.

  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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