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Home >> Kia >> 2017 >> Forte5 EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transaxle System Diagnosis - 1.6L T) >> DTC U0121-87: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Inspection >> Monitor DTC Status

Monitor DTC Status

WARNING: This page is about a different variant/trim than selected.
  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Ignition "ON"
  3. Select correct Vehicle Model, Year, and Engine Type.
  4. Select "Engine" and "A/T", "ESP" and "BCM (Cluster Module)" system.(1)
  5. Select "Fault Code Searching".(2)
    Fig 1: Screen Display - Select Fault Code Searching
    G12156562Courtesy of KIA MOTORS AMERICA, INC.
  6. Monitor DTCs in selected systems.
    Fig 2: Screen Display - DTCs In Selected System
    G12156563Courtesy of KIA MOTORS AMERICA, INC.
  7. Does selected system have any CAN related DTCs or failed to communicate via KDS/GDS?

    YES 

    • Repair any CAN related DTCs first and then carefully re-do this troubleshooting guide steps.
    • If problem still occurs, Go to "Wiring Inspection " procedure.

    NO 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "Verification Of Repair " procedure.
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