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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1383 (1.3L - DTCS U0164 To U1504) >> DTC Troubleshooting >> U12A8-Lost Communication With Master Cylinder Pressure Sensor >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs and record on the repair order.

      Is the DTC active or pending?

      Yes 

      • Go To  2

      No 

  2. CHECK THE ABS MODULE FOR DTCS 
    1. With the scan tool, read DTCs in the ABS Module.

      Are there any DTCs in the ABS Module?

      Yes 

      No