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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - Active Cruise Control Module (Acc) - Electrical Diagnostics >> DTC Troubleshooting >> U0402-Implausible Data Received From TCM >> Possible Causes

Possible Causes

Possible Causes 
CAN C BUS CIRCUIT SHORTED
CAN C BUS CIRCUIT OPEN
ACC MODULE
TCM

For gasoline engines, always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .