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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 977 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC B3844: Engine Coolant Circulation Pump Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The HCM determines the state of the coolant pump relay control circuit is shorted to ground, open or shorted to power.

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