RAM

18-010-14

Manufacturer communications

Publication date: 2014-11-14
Received by NHTSA: 2022-08-22
NHTSA record numbers: 10218203

Manufacturer summary

Original wording in English

Flash: Doser Control Unit (DCU), Heater Thaw Time Improvements And MIL Illumination This bulletin involves selectively erasing and reprogramming the Doser Control Unit (DCU) with new software. Software improvements are available for the Diesel Exhaust Fluid (DEF) DCU on vehicles equipped with a Cummins 6.7L turbo Diesel. The software contains improvements for the following: Increase in DEF thaw time when ambient and DEF tank temperatures are below -14°C. (7°F.). P208D - (DIESEL EXHAUST FLUID) REDUCTANT PUMP CONTROL CIRCUIT HIGH P202E - (DIESEL EXHAUST FLUID) REDUCTANT INJECTOR PERFORMANCE

NHTSA manufacturer communications ↗

Reported code forms

P202E P208D

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

RamP202E

(DIESEL EXHAUST FLUID) REDUCTANT INJECTOR PERFORMANCE

NHTSA 10136967 · NHTSA 10139600 · NHTSA 10139836

RamP208D

(DIESEL EXHAUST FLUID) REDUCTANT PUMP CONTROL CIRCUIT HIGH

NHTSA 10139836 · NHTSA 10218203

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Ram	2500	2014
Ram	2500	2013
Ram	3500	2014
Ram	3500	2013
Ram	4500	2013
Ram	5500	2014

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