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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 (Data Communications - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC U2418 >> 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+ U2418 U2418 - -
Ignition U2418 U2418 - -
CAN 1 Serial Data [+] (circuit 4987) U0075* U2418 U0075* -
CAN 1 Serial Data [-] (circuit 4986) U0075* U2418 U0075* -
Ground - U2418 - -
* Other DTCs may set with this fault.