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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 ((Front Control Module (FCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B2100-Ignition Run/Start Input Circuit Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
ACTIVE IGNITION RELATED FCM DTCS
(F942) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
JUNCTION BLOCK FUSE #24
INTEGRATED POWER MODULE
FRONT CONTROL MODULE
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