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Home >> Jeep >> 2007 >> Wrangler Rubicon, Standard >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System - Electrical Diagnostics >> Brakes - Abs Electrical Diagnostics >> DTC Troubleshooting >> C1027-Left Rear Wheel Speed Sensor Signal Erratic Performance >> Possible Causes

Possible Causes

Possible Causes 
LEFT REAR WSS LOOSE - B3, B4 CIRCUITS/CONNECTOR/TERMINAL DAMAGE
LEFT REAR TONE WHEEL DAMAGE
LEFT REAR WHEEL BEARING DAMAGE
AXLE SHAFT FASTENER HARDWARE
IMPROPER LEFT REAR TIRE PRESSURE/MISMATCHED TIRES
LEFT REAR WSS
ANTI-LOCK BRAKE MODULE