April 25: GM Argues Ultium Charger Lawsuit Should be Dismissed news | 18 days ago
April 13: Cadillac LYRIQ Electric SUV Lawsuit Blames Electrical Problems news | 30 days ago
March 28: GM Ultium Charger Lawsuit: Arbitration Denied news | 46 days ago
March 1: GM Engine Failure Class Action Lawsuit Begins news | 73 days ago
February 28: GM Lifter Lawsuit Update: Motion to Sever Denied news | 74 days ago
Cadillac TSB #PI1223B
2017 Cadillac ATS
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
- Summary
- This informational bulletin provides information on black smoke and rough idle on cold start.
Click a tab for more information.




