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. 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. Fiat Chrysler has reached settlements with consumers and federal and state regulators involving the Ram 1500 and Jeep Grand Cherokee vehicles equipped with. 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. Put the more expensive 20 bucks/2.5 gallons def in it. (Its not the 'fill tank' message) Have almost exactly 3500 miles on it, just filled the DEF tank for the first time about 3 days ago. As the fluid level in the tank decreases, the level sensor becomes exposed to air which alters the signal sent out by the sensor. Got a service DEF system see dealer warning light today. The DEF system uses a complex radio frequency type level sensor to detect the amount of fluid present in the DEF tank. A defect may be present with the DEF (diesel exhaust fluid) level sensor.
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This bulletin applies to 2014-2 trucks equipped with a 6.7L Cummins diesel engine.