Service bulletin 21-NA-166
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 | 10242936 |
| Published by NHTSA | 2023-09-29 |
| Manufacturer's number | 21-NA-166 |
| Manufacturer's date | 2023-09-05 |
| NHTSA component | ELECTRICAL SYSTEM; EXTERIOR LIGHTING:TURN SIGNAL; EQUIPMENT |
NHTSA's summary
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
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, Equipment and accessories, Lighting, Turn signals
| CADILLAC ESCALADE | 2021, 2022, 2023, 2024 |
|---|---|
| CADILLAC ESCALADE ESV | 2021, 2022, 2023 |
| CADILLAC ESCALADE NA | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 1500 | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2021, 2022, 2023, 2024 |
| CHEVROLET SUBURBAN 1500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2021, 2022, 2023, 2024 |
| GMC SIERRA 1500 | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2021, 2022, 2023 |
| GMC YUKON XL | 2021, 2022, 2023, 2024 |
| GMC YUKON XL 1500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 23-NA-132 | 2023-10-25. Service bulletin. This service bulletin provides repair information to correct a customer concern of Turn Signals and/or Daytime Running Lights Intermittently Inoperable. |
|---|---|
| N222357790 | 2022-03-15. Service bulletin. Customer Satisfaction Program. Certain vehicles may have been built with the incorrect turn signal switch installed. Dealers are to inspect, and if necessary, replace the turn signal switch. |
| PIE0625A | 2021-08-09. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. |
| PIE0625 | 2021-05-03. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. |