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Home › Chevrolet › 2014 › Express 1500 LS, AWD › 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.

If the DTC is set, refer to DTC U0100-U02FF (except U029D and U029E) , DTC U0100-U02FF (U029D and U029E only) .