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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Radio Frequency (RF Hub) Module - Electrical Diagnostics - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> U103C-00 Kin/IGNM Communication >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
FUSED B+ CIRCUIT OR GROUND CIRCUIT RESISTED
(D122) SECURITY K LINE COMMUNICATION CIRCUIT SHORTED TO GROUND
(D122) SECURITY K LINE COMMUNICATION CIRCUIT OPEN
KEYLESS IGNITION NODE (KIN) OR IGNITION NODE MODEL (IGNM)
RADIO FREQUENCY HUB (RF HUB)
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