Service bulletins for the 2017 Cadillac CT6
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.
1316 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
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Only bulletins with component: Automatic transmission are shown. Show all
| 17-NA-133 | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This technical bulletin provides a procedure to replace the transmission for conditions of No Propulsion, Malfunction Indicator Lamp, Battery Cut Off Indicator, and Shift to Park Messages, with DTC P0A5E, P0A61, P0A64, P0A67, P0A6A, or P0A6D Set due to poor open welds or cold welds on the flex lead wires for the electric motors. |
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| 16-NA-404 | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This technical bulletin provides a procedure to reprogram the TCM to correct the DTC set. |
| PIP5479 | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates Parts Restriction for Transmission components for the new vehicle launch of the 2017 CT6 Hybrid. |
| 16-NA-404 | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to reprogram the TCM to correct the DTC set. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.