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Home >> Kia >> 2016 >> Sorento L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (4WD Control System Diagnosis) >> DTC U0121: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> Wiring Inspection >> CAN Communication Line Inspection >> Open In CAN Communication Line Inspection

Open In CAN Communication Line Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF.
  2. Disconnect Battery (-) terminal.
  3. Disconnect IGPM and ABS.
  4. Measure resistance between Pin No. 13 (P-CAN High) terminal of IGPM and Pin No. 26 (P-CAN High) terminal of ABS.
  5. Measure resistance between Pin No. 14 (P-CAN Low) terminal of IGPM and Pin No. 14 (P-CAN Low) terminal of ABS.

    Specification:  Approx. below 1 Ω

  6. Is the measured value within specification?

    YES 

    • 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 Vehicle Repair " procedure.

    NO 

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