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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 542 (Anti-Lock Brake System & Brake Controller - Electrical Diagnostics) >> DTC Troubleshooting >> Antilock Brake System & Electronic Stability Program >> C121D-Brake Pressure Sensor Circuit >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
TERMINAL/CONNECTOR/WIRING HARNESS DAMAGE
AIR IN BRAKE SYSTEM/WORN MECHANICAL COMPONENTS
(B83) BRAKE PRESSURE SENSOR SUPPLY CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B986) BRAKE PRESSURE SENSOR RETURN CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B84) BRAKE PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
BRAKE PRESSURE SENSOR
ANTI-LOCK BRAKE MODULE