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Home >> Dodge and Ram >> 2017 >> Challenger SXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Center Stack Screen Module - Electrical Diagnostics) >> DTC Troubleshooting >> U0197-00-Lost Communication With Hands Free Phone Module >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2012 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CAN-AT BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
HANDS FREE MODULE POWER AND GROUND
TGW NOT CONFIGURED CORRECTLY
HANDS FREE MODULE
MODULE THAT SET THIS DTC