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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 214 (6.7L - DTCS P2267 To U1601 - 2500 & 3500) >> Diagnosis And Testing >> U0121-Lost Communication With Anti-Lock Brake Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN C BUS OPEN OR SHORTED CONDITION
ABS MODULE
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)