Service bulletins for the 2018 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.
255 on file from NHTSA, as of 2026-10-19.
About P050B on the 2018 Dodge Challenger: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P050B are shown. Show all
| 18-091-21 | 2021-12-13. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTC). P050B - Cold Start Ignition Timing Performance. Customers may experience one or both of the following:A long crank time during engine start. Air Conditioning (A/C) clutch is intermittently not engaging when cruise control is activated. |
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| 21-035-21 | 2021-12-13. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTC). P050B - Cold Start Ignition Timing Performance. Software enhancements also include:Improvements to 2-1 downshift quality. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.