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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1631 (Body Control Module (BCM) - DTCS B182C-12 To U1433-24 - 2500 Hd) >> DTC Troubleshooting >> B2121-11-Ignition Run Control 1 - Circuit Short To Ground >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
IGNITION RUN RELAY CONTROL CIRCUIT SHORTED TO GROUND
IGNITION RUN RELAY 1 AND 2
BODY CONTROL MODULE (BCM)
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