LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Air Bag Restraint System - Electrical Diagnostics >> DTC Troubleshooting >> B212D-Ignition Run Only Input Circuit Open >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes 
B2122-IGNITION RUN CONTROL CIRCUIT LOW ACTIVE DTC
(F923) RUN RELAY OUTPUT CIRCUIT OPEN
(F100) FUSED IGNITION RUN RELAY CIRCUIT OPEN
(F100) FUSED RUN RELAY OUTPUT CIRCUIT SHORT TO GROUND
IPM FUSE 30 OPEN
RUN RELAY OPEN
OCCUPANT RESTRAINT CONTROLLER (ORC)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure  .