RAM
08-285-26
Manufacturer communications
- Publication date
- 2026-07-18
- Received by NHTSA
- 2026-07-23
- NHTSA record numbers
- 11035168
Manufacturer summary
Original wording in English
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 DCU software from 5.13 Or 5.14 To 5.15.
• 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 DCU software from 5.13 Or 5.14 To 5.15.
Reported code forms
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