Service bulletins for the 2019 Chevrolet 4500XD
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.
252 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Electrical system are shown. Show all
| 23-NA-044 | 2023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on AGM batteries that require less frequent charging in storage. |
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| 22-NA-205 | 2022-11-02. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on Module Harvesting. |
| 13-08-116-001H | 2022-10-11. Service bulletin. ELECTRICAL SYSTEM. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. |
| 21-NA-068 | 2022-10-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ. |
| 17-NA-050 | 2022-09-07. Service bulletin. ELECTRICAL SYSTEM. This service bulletin explains how a health report is required when doing repairs on MD LCF vehicles. |
| 20NA132 | 2021-12-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.