Service Update
Buick technical service bulletin 18058 for 2018 Buick Regal.
- Bulletin number
- 18058
- Component
- Electrical system: wiring
- 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.
Owners of these vehicles have filed 3 complaints in the electrical category.
Vehicles covered
- Buick Regal 2018 2018
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