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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 >> U11C1-Lost Communication With Diesel Exhaust Fluid Control Unit >> Code Description >> Possible Causes

Possible Causes

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Possible Causes 
(D130) J1939 DATALINK (+) CIRCUIT SHORTED TO BATTERY OR GROUND
(D131) J1939 DATALINK (-) CIRCUIT SHORTED TO BATTERY OR GROUND
(D130) J1939 DATALINK (+) CIRCUIT OPEN/HIGH RESISTANCE
(D131) J1939 DATALINK (-) CIRCUIT OPEN/HIGH RESISTANCE
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  .