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Service bulletin N192287020

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10183222
Published by NHTSA2020-11-30
Manufacturer's numberN192287020
Manufacturer's date2020-10-07
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

Service Update - Certain 2019-2020 model year Cadillac CT6 vehicles equipped with a 10 speed transmission, (RPO MHS or MHW) may have a condition when shifting into park, resulting in a momentary loss of park engagement. If this were to occur, one or more of the following DTC codes P0606, P06AF or P07E4 may set and illuminate the check engine light. Dealers will reprogram the ECM.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Engine control module, Software

Trouble codes named

P0606, P06AF, P07E4

Vehicles listed
CADILLAC CT62020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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