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Home >> Jeep >> 2023 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (6.4L - DTCS U11C2 To U1440) >> DTC Troubleshooting >> U12A8-Lost Communication With Master Cylinder Pressure Sensor >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2023 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
HYDRAULIC CONTROL UNIT (HCU)
INTEGRATED CONTROL UNIT (ICU)
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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