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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Heating And Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Inoperative >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC P0483 is not set.
    • Go to next step: If no DTC is set. 
    3. NOTE:

    A slight delay may occur before the cooling fan activates.

  3. Verify the Q85 Cooling Fan Clutch activates when A/C is On.
    • The cooling fan does not activate 

      Refer to Circuit/System Testing

    • Go to next step: The cooling fan activates 
  4. All OK.
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