# Service bulletins for the 2021 Chevrolet 6500XD

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.

5 bulletins from NHTSA, as of 2026-10-19.

- [22\-NA\-226](/bulletins/10250253.md), 2024-02-14, 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\-226](/bulletins/10227272.md), 2022-12-06, 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.
- [18NA235](/bulletins/10212609.md), 2022-05-31, Service bulletin: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
- [110089005Q](/bulletins/10191233.md), 2021-05-03, Service bulletin: EQUIPMENT. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy \(U.S. Only\).
- [20NA132](/bulletins/10191206.md), 2021-05-03, Service bulletin: ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

JSON: [/v1/vehicles/2021_chevrolet_6500xd/bulletins](/v1/vehicles/2021_chevrolet_6500xd/bulletins)

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