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Home >> Chevrolet >> 2016 >> Express 2500 Base, Van Cargo Extended, 4.8L Eng VIN F >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U1865: Fuel Operated Heater Lost Communication with Engine Control Module >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 GMC Savana 3500, 2015 GMC Savana 2500, 2015 Chevrolet Express 3500, and 2015 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Verify that U0100 is not set.