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Service bulletins for the 2015 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.

1797 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Manual transmission are shown. Show all

Bulletins, newest first
990420002L2021-08-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
PI1448B2021-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS; POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY. Service Transmission Light Flashing and/or Malfunction Indicator Lamp (MIL) On and DTC P0705 Set Some customers may comment on a malfunction indicator lamp (MIL) on or that the Service Transmission light is flashing. Customers may also comment that the shifter does not seem to shift correctly into each range. The technician may find DTC P0705 set or in history in the TCM
030729004L2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
03-07-29-004J2018-05-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
PIC6042A2017-12-14. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; STEERING. This Preliminary Information communication provides information to the technician about vehicles that if replacement of either shift paddle is necessary, the steering wheel does not need to be replaced nor does it need to be removed to replace either shift paddle.
SB-03-07-29-004K2016-08-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.

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