Service bulletin 18-010-14

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.

NHTSA's summary

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

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Transmission and driveline

Trouble codes named

P202E, P208D

Listing a model year does not mean every vehicle of it is concerned: the document says which.

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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