18-010-14

Flash: Doser Module, MIL Illumination P208D and or P202E This bulletin involves selectively erasing and reprogramming the Doser Control Unit (DCU) with new software. FLASH PCM SERVICE BULLETIN 18-018-13 REV. B (OR LATER BULLETIN) SHOULD BE PERFORMED IN CONJUNCTION WITH THIS SERVICE BULLETIN FOR PICKUP TRUCKS FLASH PCM SERVICE BULLETIN 18-025-13 REV. A (OR LATER BULLETIN) SHOULD BE PERFORMED IN CONJUNCTION WITH THIS SERVICE BULLETIN FOR CAB CHASSIS TRUCKS Software improvements are available for the Diesel Exhaust Fluid (DEF) system on vehicles equipped with a Cummins 6.7L turbo Diesel. Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For: ? P208D - (DIESEL EXHAUST FLUID) REDUCTANT PUMP CONTROL CIRCUIT HIGH ? P202E - (DIESEL EXHAUST FLUID) REDUCTANT INJECTOR PERFORMANCE