December 7: GM Engine Class Action Lawsuit Set To Begin news | 5 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 5 days ago
November 23: GM V8 Engine Lawsuit Claims L87 Engines Are Dangerous news | 19 days ago
November 3: GM Ultium Charger Class Action Lawsuit Filed in Florida news | 39 days ago
October 27: GM L87 Engine Recall May Need to be Repeated investigations | 46 days ago
Cadillac TSB #PIT5817A
2021 Cadillac CT4
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary information communicates and issue with a SES MIL and the BCM keeping the ignition main relay on after the vehicle is turned off. Dealers are to replace the BCM.Â
Click a tab for more information.




