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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Body Control Module (BCM) - DTCS B1812-2A To U1433-24) >> DTC Troubleshooting >> B2121-15-Ignition Run Control 1 - Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
IGNITION RUN RELAY CONTROL CIRCUIT OPEN
IGNITION RUN RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
IGNITION RUN RELAY 1 AND 2
BODY CONTROL MODULE (BCM)
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