Service bulletins for the 2021 Chevrolet 5500XD
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.
283 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| 21-NA-043 | 2025-02-12. Service bulletin. VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
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| PI0754G | 2024-08-17. Service bulletin. VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. |
| PI0754F | 2023-03-03. Service bulletin. VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS; UNKNOWN OR OTHER; STRUCTURE. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. |
| 12-01-37-001F | 2022-07-12. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.