Service bulletins for the 2005 Cadillac CTS
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.
628 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| 3051 | 2004-11-17. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. HOWL OR WHINE NOISE FROM THE REAR AXLE ON ACCEL AND/OR DECEL. *TT |
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| 3091 | 2004-11-05. Service bulletin. POWER TRAIN. OPERATING CHARACTERISTICS OF 5L40E/5L50E TRANSMISSIONS. *SC |
| 3067A | 2004-10-08. Service bulletin. POWER TRAIN. UNACCEPTABLE SHIFT QUALITY AFTER TRANSMISSION REPAIR OR SOFTWARE/HARDWARE CHANGE. *TT |
| 040604011 | 2004-08-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). NEW PROCEDURAL REQUIREMENTS FOR POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT. *TT |
| 020730002 | 2002-06-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON 5L40E AUTOMATIC TRANSMISSION OPERATING CHARACTERISTICS. *SLC *AR |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.