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Home >> Chrysler >> 2008 >> PT Cruiser Base, 2D Convertible, 2.4 E >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P127F To U0168 >> U0121-Lost Communication With Anti-Lock Brake Module >> Possible Causes
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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 ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS for diagnostic procedures and for further possible causes.