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Home >> Dodge and Ram >> 2009 >> Journey R/T, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2185 To U0168 - GPEC >> U0121-Lost Communication With Anti-Lock Brake Module >> Possible Causes

Possible Causes

Possible Causes 
CAN C BUS OPEN OR SHORTED CONDITION
ANTI-LOCK BRAKE (ABS) MODULE
FRONT CONTROL MODULE (FCM)
POWERTRAIN CONTROL MODULE (PCM)


Refer to  POWERTRAIN CONTROL MODULE (PCM) - ELECTRICAL DIAGNOSTICS - 41TE - GPEC  for diagnostic procedures and for further possible causes.