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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 >> Diagnostic Fault Information

Diagnostic Fault Information

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.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Charge Air Coolant Pump B+ P023A, P023B, P0691* P023A - -
Charge Air Coolant Pump Ground 1 1 - -
Charge Air Coolant Pump Control P023B, P0691* P023A P023C -
1. Charge Air Cooler Coolant Pump inoperative without a DTC.
2. Charge Air Cooler Coolant Pump always ON without a DTC.
*Opens fuse
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