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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (6.7L Diesel - DTCS - P21C4 To U1601 - 3500 Cab & Chassis) >> Diagnosis and Testing >> U010E-Lost Communication With Diesel Exhaust Fluid Control Unit >> Code Description >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(A119) DEF DOSING CONTROL UNIT BATTERY SUPPLY CIRCUIT OPEN/HIGH RESISTANCE
(Z914) DEF DOSING CONTROL UNIT GROUND CIRCUIT OPEN/HIGH RESISTANCE
(F505) IGNITION FEED CIRCUIT OPEN/HIGH RESISTANCE
(F505) FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO GROUND
(D130) J1939 DATALINK (+) CIRCUIT OPEN/HIGH RESISTANCE
(D131) J1939 DATALINK (-) CIRCUIT OPEN/HIGH RESISTANCE
(D130) J1939 DATALINK (+) CIRCUIT SHORTED TO BATTERY OR GROUND
(D131) J1939 DATALINK (-) CIRCUIT SHORTED TO BATTERY OR GROUND
J1939 DATALINK (+) CIRCUIT SHORTED TO ANOTHER CIRCUIT
J1939 DATALINK (-) CIRCUIT SHORTED TO ANOTHER CIRCUIT
J1939 DATALINK COMPONENT INTERNALLY SHORTED
DEF DOSING CONTROL UNIT
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  . 

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