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Home >> Cadillac >> 2017 >> XT5 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U240A: Transmission Range Control Module Chassis Expansion CAN Bus Off >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Chassis High Speed GMLAN Serial Data (+) U0077, U240A* U0077, U240A* U0077, U240A* -
Chassis High Speed GMLAN Serial Data (-) U0077, U240A* U0077, U240A* U0077, U240A* -
* Other DTCs may set with this fault.