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Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U2160-U2231: Control Module >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ U2160-U2231 U2160-U2231 - -
Ignition U2160-U2231, U1814, U2099 U2160-U2231 - -
Object High Speed GMLAN Serial Data (+) U0075 U2160-U2231 U0075 -
Object High Speed GMLAN Serial Data (-) U0075 U2160-U2231 U0075 -
Chassis High Speed GMLAN Serial Data (+) U0074, U0077 U2160-U2231 U0074, U0077 -
Chassis High Speed GMLAN Serial Data (-) U0074, U0077 U2160-U2231 U0074, U0077 -
Mid Speed GMLAN Serial Data (+) U0074 U2160-U2231 U0074 -
Mid Speed GMLAN Serial Data (-) U0074 U2160-U2231 U0074 -
High Speed GMLAN Serial Data (+) U0073, 2 U2160-U2231 U0073, 2 -
High Speed GMLAN Serial Data (-) U0073, 2 U2160-U2231 U0073, 2 -
Low Speed GMLAN Serial Data U0078, 1 U2160-U2231 U0078, 1 -
Ground - U2160-U2231 - -
1. Scan tool does not communicate with most low speed GMLAN device
2. Scan tool does not communicate with most high speed GMLAN device