Flash: DEF Dosing Control Unit (DCU) Software Updates Customers must experience a Malfunction Indicator...
Ram technical service bulletin 08-286-26 for 2026 Ram 2500, 2026 Ram 3500 and 2026 Ram 5500 and others.
- Bulletin number
- 08-286-26
- Component
- Electrical system
- Summary
- Flash: DEF Dosing Control Unit (DCU) Software Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P218F 00 - Reductant No Flow Detected ● P202E 00 - Reductant Injection Valve Circuit Performance In addition, the following software enhancements are available: ● System State feedback fix, data variant selection fix. This bulletin involves reprogramming the BPCM with the latest available software.
Owners of these vehicles have filed 31 complaints in the electrical category.
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