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Service bulletins for the 2021 Chevrolet 7500XD

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.

3 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
22-NA-2262024-02-14. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This informational bulletin provides information on Information on 6500XD/7500XD Medium Duty (LCF) with the 6.7L Cummins Diesel Engine.
22-NA-2262022-12-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This informational bulletin provides information on Information on 6500XD/7500XD Medium Duty (LCF) with the 6.7L Cummins Diesel Engine.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.