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Home >> Jeep >> 2014 >> Wrangler Sport, Standard Trans >> Repair and Diagnosis >> Steering >> Steering Control Systems >> (Steering Control Module (SCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-Lost Communication With Abs >> Diagnostic Test

Diagnostic Test

ACTIVE DTC 

  1. Ignition on, engine not running.
  2. With the scan tool, select view DTCs.

    Is the DTC Active at this time?

    Yes 

    • (Refer to DIAGNOSIS AND TESTING ), and perform the U0121-Lost Communication with Anti-Lock Brake Module diagnostic procedure.

    No 

    • Refer to  DIAGNOSIS AND TESTING  and perform the Stored Lost Communication DTCs diagnostic procedure.
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