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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 187 (Vehicle Theft Security System - Electrical Diagnostics) >> Vehicle Theft Security - Electrical Diagnostics >> DTC Troubleshooting >> B1A35-Unidentified Key Communication Error >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
MULTIPLE KEY OPERATION
IGNITION KEY
SENTRY KEY REMOTE ENTRY MODULE (SKREEM)
INTERMITTENT WIRING HARNESS PROBLEM
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