January 19: GM Engine Failure Recall Investigation Opened investigations | 36 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 58 days ago
December 7: GM Engine Class Action Lawsuit Set To Begin news | 79 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 79 days ago
Cadillac TSB #19-NA-237
2023 Cadillac XT4
TSB Document:
Affected Component: FUEL SYSTEM, DIESEL
- Summary
- This service bulletin explains how to identify possible DEF system contamination.
Click a tab for more information.



