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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Electrical Diagnostics >> DTC Troubleshooting >> C1090-Abs Brake Lamp Control Circuit Low >> Possible Causes

Possible Causes

Possible Causes 
(B221) BRAKE LAMP ACTIVATION RELAY CONTROL OPEN OR SHORTED TO GROUND
BLOWEN FUSE
(F943) FUSED IGNITION SWITCH OUTPUT OPEN OR SHORTED TO GROUND
BRAKE LAMP ACTIVATION RELAY
ANTI-LOCK BRAKE MODULE (ABM)