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Possible Causes

Possible Causes
FUSED B+ CIRCUIT OR GROUND CIRCUIT HAS HIGH RESISTANCE
SECURITY K LINE COMMUNICATION CIRCUIT SHORTED TO GROUND
SECURITY K LINE COMMUNICATION CIRCUIT OPEN
KEYLESS IGNITION NODE (KIN)
RADIO FREQUENCY HUB (RF HUB)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .