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Home >> Chrysler >> 2009 >> 300 Touring, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P3497 To U1431 >> U0121-Lost Communication With Anti-Lock Brake Module >> Possible Causes

Possible Causes

Possible Causes 
CAN C BUS OPEN OR SHORTED CONDITION
NO POWER TO ANTI-LOCK BRAKE MODULE - MODULE UNPLUGGED OR OPEN FUSE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  . 

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