FixVault
Home
›
GMC
›
2013
›
Cutaway 4.8L Eng VIN A
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Data Communication System
›
Diagnostic Information And Procedures
›
DTC U1865
›
DTC Descriptor
DTC Descriptor
DTC U1865
Fuel Operated Heater Lost Communication with Engine Control Module