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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Electrical Diagnostics >> DTC Troubleshooting >> C1091-Abs Brake Lamp Control Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(B221) BRAKE LAMP ACTIVATION RELAY CONTROL SHORTED TO VOLTAGE
BRAKE LAMP ACTIVATION RELAY
ANTI-LOCK BRAKE MODULE