Service bulletin 18NA301
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 | 10155030 |
| Published by NHTSA | 2019-03-25 |
| Manufacturer's number | 18NA301 |
| Manufacturer's date | 2019-01-17 |
| NHTSA component | ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; SUSPENSION |
NHTSA's summary
This technical bulletin provides a procedure to install higher amp fuses to correct the axle actuator high amperage draw.
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, Suspension, Wiring and fuses
| CHEVROLET SILVERADO 1500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| GMC SIERRA 1500 | 2019 (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.
| 22-NA-109 | 2022-06-06. Service bulletin. This informational bulletin provides information on Information on Common Customer Trailer Side Faults. |
|---|---|
| 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. |
| PIT5311F | 2020-08-10. Service bulletin. 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. |
| 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. |
| PIP5660 | 2019-08-12. Service bulletin. This Preliminary information communicates the possibility of a reduced power message with dtc p2101 and/or p1516 due to potential throttle body issue. |
| PIE0499B | 2019-04-22. Service bulletin. This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made. |
| PIE0499 | 2019-03-25. Service bulletin. This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made. |
| 100089005H | 2019-03-18. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |