Service bulletins for the 2018 Chevrolet Sonic
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.
821 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Wiring and fuses are shown. Show all
| 100089005G | 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. |
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| 100089005H | 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. |
| 18NA066 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to locate and repair a I/P wiring harness that may be pinched or contacting the tie bar frame and A-pillar. |
| 18NA066 | 2018-05-21. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to locate and repair a I/P wiring harness that may be pinched or contacting the tie bar frame and A-pillar. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.