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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 ((Cabin Compartment Node (CCN) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0197-Lost Communication With Hands Free Phone Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
HANDS FREE MODULE POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
HANDS FREE MODULE
MODULE THAT SET THIS DTC