Service bulletins for the 2020 Dodge Challenger
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.
321 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Manual transmission are shown. Show all
| 1813422 | 2022-10-31. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience the following: After Race Cool Down Fan does not function. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.