Service bulletins for the 2020 Chevrolet Impala
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.
555 on file from NHTSA, as of 2026-10-19.
About C0040 on the 2020 Chevrolet Impala: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: C0040 are shown. Show all
| PIE0533A | 2020-01-21. Service bulletin. WHEELS. This engineering information (EI) revision ends the need for information from the field on a condition of wheel speed sensor inoperative with DTCs C0035, C0040, C0045 and/or C0055. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.