![]() ![]() If you have a fault related to the DEF system, the gauge may not update to the new level. Turn the ignition on and ensure that the DEF level gauge is reading correctly.Ħ8192659AC.Module kit, urea pump/level unitĦ8035704AB.Diesel exhaust fluid (1 gallon)Ħ8056278AB.Diesel exhaust fluid (2. adding a gallon or more of Diesel Exhaust Fluid (DEF) to the DEF tank. Using wiTECH, perform a DEF Reductant Doser Pump Prime Override test a total of 10 times to ensure that the DEF pump has been sufficiently primed and that all air has been purged from the pump and filter. Ensure that the DEF tank is approximately one-half full. DTCs may be present, including P203B (reductant level sensor circuit performance), P203C (diesel exhaust fluid reductant level sensor circuit low) or P203D (diesel exhaust fluid reductant level sensor circuit high). ![]() The sensor translates this signal change into a fluid level and buses the information to the IPC (instrument panel cluster) via the DCU (dosing control unit).Ī manufacturing defect in the level sensor may have occurred if built on or after April 1, 2014, and on or before Sept. As the fluid level in the tank decreases, the level sensor becomes exposed to air which alters the signal sent out by the sensor. In the affected vehicles, the Engine Control Module (ECM) may short circuit, causing the engine to stall without warning. The DEF system uses a complex radio frequency type level sensor to detect the amount of fluid present in the DEF tank. Summary: Chrysler (FCA US LLC) is recalling certain model year 20, 3500, 3500 Cab Chassis and 4500/5500 Cab Chassis trucks manufactured July 31, 2015, to Augand equipped with a 6.7L Cummins Diesel engine. A defect may be present with the DEF (diesel exhaust fluid) level sensor. This bulletin applies to 2014-2 trucks equipped with a 6.7L Cummins diesel engine. ![]()
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