Service bulletin N232403190
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 | 10242557 |
| Published by NHTSA | 2023-09-20 |
| Manufacturer's number | N232403190 |
| Manufacturer's date | 2023-09-20 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
Service Update. Certain vehicles may have a condition where the customer experiences intermittent MILs and warnings, engine no starts / no restart from auto-stop, or irregular cooling fan operation. Dealers are to inspect, and if necessary, rethread the bolt hole and reinstall ground.
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
| CHEVROLET SILVERADO 1500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| GMC SIERRA 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.
| N252515590 | 2026-01-27. Service campaign. Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap. |
|---|---|
| 23-NA-170 | 2025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. |
| 23-NA-201 | 2025-10-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated. |
| 22-NA-161 | 2025-09-27. Service bulletin. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed. |
| 24-NA-078 | 2025-07-08. Service bulletin. This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area. |
| 25-NA-101 | 2025-06-26. Service bulletin. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module. |
| 25-NA-099 | 2025-06-25. Service bulletin. This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern. |
| 22-NA-242 | 2025-06-16. Service bulletin. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers. |
| 24-NA-229 | 2025-06-03. Service bulletin. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain. |
| 25-NA-087 | 2025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs. |