Service bulletin 17-NA-350
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 | 10213258 |
| Published by NHTSA | 2022-06-04 |
| Manufacturer's number | 17-NA-350 |
| Manufacturer's date | 2022-05-27 |
| NHTSA component | TRAILER HITCHES |
NHTSA's summary
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
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
Trailer hitch
| CHEVROLET SILVERADO 1500 | 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 2500 | 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 1500 | 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2019, 2020, 2021, 2022 (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.
| 21-NA-155 | 2024-01-19. Service bulletin. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. |
|---|---|
| PIT5282B | 2023-12-04. Service bulletin. Installation Of An Aftermarket Trailer Brake Controller In Lieu Of Factory Trailer Brake Controller. |
| PIT5241C | 2023-12-04. Service bulletin. Adding Integrated Trailer Brake Controller RPO JL1. |
| PIT5509K | 2023-06-13. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector. |
| PIT5509J | 2023-05-15. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector. |
| 17-NA-350 | 2023-05-05. Service bulletin. This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the gooseneck. |
| PIT5948B | 2023-03-13. Service bulletin. This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering released an updated trailer brake switch, See Customer Satisfaction Program N222384930. |
| PIT5959 | 2022-12-12. Service bulletin. This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and are working on identifying the cause and working on a remedy for this concern |
| PIT5948A | 2022-11-21. Service bulletin. This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a fix. |
| PIT5948 | 2022-10-17. Service bulletin. This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a fix. |