Service bulletin 19NA253
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10169339 |
| Published by NHTSA | 2019-12-16 |
| Manufacturer's number | 19NA253 |
| Manufacturer's date | 2019-11-12 |
| NHTSA component | FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ENGINE |
NHTSA's summary
This technical bulletin provides a service procedure to run a relative compression test to confirm if an engine misfire is a mechanical engine issue or not.
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
Engine, Fuel system, Fuel injection
| CADILLAC CT6 | 2019, 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 20NA098 | 2020-06-22. Service bulletin. This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. |
|---|---|
| 16NA383 | 2020-06-22. Service bulletin. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up. |
| 16NA383 | 2020-03-02. Service bulletin. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up. |