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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Engine Controls And Fuel - 3.6L (LF4 LGX) - DTC P0685 LGX To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Charge Air Cooler Coolant Pump Diagnosis >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC P023A, P23B, or P23C is not set.
    • If none of the DTCs are set 
  3. Verify the M 10 Charge Air Cooler Coolant Pump activates when commanded ON with a scan tool.
    • The Charge Air Cooler Coolant Pump does not activate 

      Refer to Circuit/System Testing

    • The Charge Air Cooler Coolant Pump activates 
  4. All OK
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