RAM
S1625000002 REV.B
Manufacturer communications
- Publication date
- 2025-03-10
- Received by NHTSA
- 2025-03-13
- NHTSA record numbers
- 11015599
Manufacturer summary
Original wording in English
Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Codes (DTCs) P21C4 – (Diesel Exhaust Fluid) Reductant Line Heater Control Circuit High, and U11C1 – Reductant Control Module Received Implausible Data From ECM/PCM, Set
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P21C4(Diesel Exhaust Fluid) Reductant Line Heater Control Circuit High,Ram
U11C1Reductant Control Module Received Implausible Data From ECM/PCM, SetCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.