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Home >> Jeep >> 2024 >> Wagoneer Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (3.0L - DTCS U120C-00 To U142E-00) >> DTC Troubleshooting >> U120C-00-Lost Brake Booster Signal >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
BRAKE BOOSTER PRESSURE SENSOR WIRING ISSUES
BRAKE BOOSTER PRESSURE SENSOR
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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