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Home >> Chrysler >> 2006 >> 300 C, RWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Nag1 Automatic Transmission - Electrical Diagnostics >> Electrical Diagnostics >> DTC Troubleshooting >> U0424-Implausible Data Received From HVAC Control Module >> Possible Causes

Possible Causes

Possible Causes 
CAN BUS DTC'S PRESENT
HVAC DTC'S PRESENT
TRANSMISSION CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding.  (Refer to TRANSMISSION/TRANSAXLE/AUTOMATIC - NAG1 - STANDARD PROCEDURE)