LEMON Manuals: Even more car manuals for everyone
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 U1001 >> 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+ U0256, U164C, U164D U0256, U164C, U164D - -
Infotainment CAN Serial Data [+] (circuit 4057) U1001* U164D* U1001* -
Infotainment CAN Serial Data [-] (circuit 4056) U1001* U164D* U1001* -
Ground - U0256, U164C, U164D - -
* Other DTCs may set with this fault.
scientia non olet · About LEMON Manuals