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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 338 (Cruise Control System - Active Cruise Control Module (Acc) - Electrical Diagnostics) >> DTC Troubleshooting >> U0429-Implausible Data Received From SCM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN C BUS CIRCUIT SHORTED
CAN C BUS CIRCUIT OPEN
STUCK SPEED CONTROL SWITCH (CRUISE CONTROL STALK)
STEERING CONTROL MODULE (SCM)
ADAPTIVE CRUISE CONTROL (ACC) MODULE

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