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Service bulletins for the 2005 Cadillac STS

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

626 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
PI0430B2024-05-06. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. Magnetically Controlled Suspension Electrical Connector Not Seated.
PIP4964E2023-12-04. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); EXTERIOR LIGHTING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will need to perform an injector balance or Active Fuel Injector Tester prior to going further. Technician will also need to check for a small leak in the exhaust if published Service Information diagnostics does not lead to a resolution.
PI0430C2019-07-29. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION; ELECTRICAL SYSTEM. This preliminary information bulletin provides a procedure for suspension connector diagnosis and replacement due to the magnetically controlled suspension electrical connector not seated.
10-00-89-006C2018-04-16. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: RADAR. This informational bulletin provides directions on submitting different PIRs
PIC3171E2017-08-15. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC); STEERING:COLUMN; STEERING. This Preliminary Information communication provides information to the technician about vehicles that have unwanted Stabilitrak activation and/or a "STABILITY SYS ACTIVE" message on the Driver Information Center when turning. Technician may find Diagnostic Trouble Code C0252 or C0710 set. Technician should monitor the Steering Wheel Position Sensor Phase A and Phase B parameters under Vehicle Stability Enhancement System data. Technician will need to inspect the lower steering column bearing for damage, if the Steering Wheel Position Sensor Phase A and Phase B is incorrect. If movement is noted, replace the steering column assembly or install a steering column kit.
PIC3171E2016-06-22. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC). SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.