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Home › Chevrolet › 2017 › Express 2500 Base, Van Cargo Extended, 4.8L Eng VIN F › Repair and Diagnosis › Engine Performance › System › Data Communication System › Diagnostic Information and Procedures › DTC U1865: Fuel Operated Heater Lost Communication with Engine Control Module › Circuit/System Verification

Circuit/System Verification

Verify that U0100 is not set.

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