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Home >> Jeep >> 2022 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (3.0L Diesel - DTCS U059E-00 To U3017-00) >> DTC Troubleshooting >> U120C-00-Lost Brake Booster Signal >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, read DTCS.

      Is the DTC active or pending?

      Yes 

      • Go To  2

      No 

      • Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
  2. ABS COMMUNICATION RELATED DTCS IN OTHER MODULES 
    1. With the scan tool, read DTCs in the ABS Module.

      Is the ABS Module setting any DTCs against the Brake Booster Pressure Sensor?

      Yes 

      No