Service bulletin PIT5311F
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 | 10178359 |
| Published by NHTSA | 2020-08-10 |
| Manufacturer's number | PIT5311F |
| Manufacturer's date | 2020-06-29 |
| NHTSA component | ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL |
NHTSA's summary
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle?s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450.
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, Wiring and fuses
| CHEVROLET SILVERADO 1500 | 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 2500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET TAHOE | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC SIERRA 1500 | 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC YUKON DENALI | 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON DENALI XL | 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL | 2015, 2016, 2017, 2018, 2019, 2020 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 14V265000 | 2014-05-20. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 22860 | 2024-01-08. Service bulletin. Harness Trapped Under MBEC |
|---|---|
| 130089008 | 2023-12-11. Service bulletin. GM Wiring Repair Strategy Information |
| PIT5222 | 2023-12-04. Service bulletin. Center Seat Accessory Power Outlet Inoperative. |
| 22-NA-109 | 2022-06-06. Service bulletin. This informational bulletin provides information on Information on Common Customer Trailer Side Faults. |
| PIT5556A | 2022-05-16. Service bulletin. This Preliminary information communicates an issue where the chassis wiring harness can chaff on the underbody of the vehicle causing a wide varied of issues, depending on which wire(s) is chaffed. Repair the affected wiring as needed |
| 21NA149 | 2021-12-27. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. |
| 21NA149 | 2021-08-09. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing. |
| 17-NA-219 | 2021-04-14. Service bulletin. Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set: • U029D • U029E • P249D • P249E Note: The graphic above depicts an example of a torn and missing seal. • Moisture intrusion past a damaged (1) seal located in the connector for the NOx sensor wiring harness. • Missing (2) seal located in the connector for the NOx sensor wiring harness. Correction If you encounter a vehicle with the above concern, perform normal diagnostics for the codes set. ⇒ If diagnostics lead to NOx sensor replacement, inspect the mating chassis electrical connector for corrosion. Clean and repair as necessary. |
| PIT5750 | 2020-08-10. Service bulletin. This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. |
| PIT5556A | 2020-04-13. Service bulletin. This Preliminary information communicates an issue where the chassis wiring harness can chaff on the underbody of the vehicle causing a wide varied of issues, depending on which wire(s) is chaffed. Repair the affected wiring as needed |