Service bulletins for the 2016 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.
1371 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Turbocharger or supercharger are shown. Show all
| 17408 | 2021-04-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Potential turbo turbine wheel failure/MIL illuminated with DTC P0299 or P16E7. Correction Reprogram ECM with a new calibration. |
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| PI0653E | 2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. |
| PIP5387A | 2017-10-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This PI Communicates that there is a parts restriction on the toubochargers for this vehicle. The dealer must call PQC to order a replacement turbocharger. |
| PIP5403A | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This Preliminary Information communication advises the technician that vehicles equipped with an 3.0L twin turbo charged engine no longer need to contact PQC to order the ECM the restriction has ended. |
| PIP5388A | 2017-05-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 3.0L TWIN TURBO CHARGED ENGINE HAS BEEN PLACED ON THE ENGINE EXCHANGE PROGRAM. DEALER WILL NEED TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE. |
| PIP5388 | 2016-11-03. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. THIS PRELIMINARY INFORMATION COMMUNICATES TO THE DEALER THE DETAILS OF THE 3.0 TWIN TURBO CHARGED ENGINE EXCHANGE PROGRAM. DEALER IS TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER TO REQUEST AN EXCHANGE. |
| PIP-5388 | 2016-08-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. THIS PRELIMINARY INFORMATION COMMUNICATES TO THE DEALER THE DETAILS OF THE 3.0 TWIN TURBO CHARGED ENGINE EXCHANGE PROGRAM. DEALER IS TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER TO REQUEST AN EXCHANGE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.