Service bulletins for the 2022 Chevrolet 3500
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.
332 on file from NHTSA, as of 2026-10-19.
About P22FB on the 2022 Chevrolet 3500: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P22FB are shown. Show all
| 23-NA-159 | 2023-10-12. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of DTC P22FB/P22FE CALIBRATION UPDATE - REPROGRAM DEF CONTROL UNIT (DCU). |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.