# Service bulletin 18058

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: 10139286
- Published by NHTSA: 2018\-06\-04
- Manufacturer's number: 18058
- Manufacturer's date: 2018\-03\-01
- NHTSA component: ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM

## NHTSA's summary

18058 \- Service Update. Certain vehicles may have been built with a missing high\-speed controller area network \(CAN\) BUS bridge \(jumper\) wire at the body control module \(BCM\) connector. Vehicles without these circuits can have intermittent communication issues on the CAN BUS, affecting functionality of several electronic modules, leading to various electrical concerns including a walk home failure. Install missing circuits to BCM connector X6.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10139286-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10139286-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Wiring and fuses

## Vehicles listed

- 2018 BUICK REGAL

## Other bulletins for the same vehicles and component

- [PIT5962](/bulletins/10230693.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- [100089005G](/bulletins/10159575.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [100089005H](/bulletins/10154629.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [17NA317](/bulletins/10137574.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to repair the crankshaft positioning sensor wiring harness by installing a new wiring harness.

JSON: [/v1/bulletins/10139286](/v1/bulletins/10139286)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018058&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10139286&vehicle=Service%20bulletin%2018058)