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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 >> C1239-00-Emission Rolls Test Active >> 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 
    1. Turn the ignition on.
    2. With the scan tool record and erase the DTCs.
    3. Turn the ignition off.
    4. Turn the ignition on.
    5. With the scan tool, read ABS DTCs.

      Is this DTC active?

      Yes 

      • Go To  2

      No 

  2. EMISSION ROLLS TEST ENABLED 
    1. Turn the ignition on.
    2. Using the scan tool, under "Miscellaneous Functions" DISABLE the Emission Rolls Test in the BCM.
    3. With the scan tool, erase the DTCs.
    4. Turn the ignition off and wait ten seconds.
    5. Turn the ignition on.
    6. Using the scan tool, the read DTCs in ABS.

      Is the DTC active?

      Yes 

      • Go To  3

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time.
  3. ANTI-LOCK BRAKE SYSTEM (ABS) MODULE 
    1. Turn the ignition off.
    2. Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
    3. Turn the ignition on.
    4. With the scan tool, read ABS DTCs in the ABS.

      Is the DTC still remain active?

      Yes 

      No 

      • Test complete.