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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Front Control Module (FCM) - Electrical Diagnostics >> DTC Troubleshooting >> B2123-Ignition Run Control 1 Circuit High >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
LEFT TRAILER TOW RELAY
FRONT CONTROL MODULE (FCM)