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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 ((Antilock Brake System (Abs) - Electrical Diagnostics)) >> DTC Troubleshooting >> C124F-00-Esp Request Denied From Acc >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY DTC IS ACTIVE 
    NOTE:

    This DTC must be active for the results of this test to be valid.

    1. Turn the ignition on.
    2. With the scan tool, read ABS DTCs and record on the repair order.
    3. Cycle the ignition switch from off to on.
    4. With the scan tool, read DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR ANY CRUISE CONTROL DTCs 
    1. Turn the ignition on.
    2. With the scan tool, read ABS DTCs and record on the repair order in the PCM.
    3. Cycle the ignition switch from off to on.
    4. With the scan tool, read DTCs in the PCM.

      Are there any cruise control DTCs?

      Yes 

      No 

      • Using the schematics as a guide, check the Anti-lock Brake System (ABS) Module pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
      • Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .