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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (Data Communications - Diagnostic Information And Procedures (1 Of 3)) >> Diagnostic Information and Procedures >> DTC U1008 (K73 Telematic Control Module) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ U1008 U1008 - -
Ignition U1008 U1008 - -
Ethernet Bus 4 [+] (circuit 7211) U1008 U1008 U1008 -
Ethernet Bus 4 [-] (circuit 7210) U1008 U1008 U1008 -
Ground - U1008 - -