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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Automatic Transaxle System Diagnosis (HEV)) >> DTC U0287: Lost Communication With Transmission Fluid Pump Module >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "ON" & Engine "OFF".
  2. Disconnect the "PCM/TCM" connector.
  3. Measure resistance between terminal "60" and "77" of the "PCM/TCM" harness connector.

    Specification:  Approx. 120 Ω

  4. Is measured resistance within specifications?

    YES 

    • Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration or damage of ECM and then Repair or replace Resistance for CAN communication as necessary and go to "VERIFICATION VEHICLE REPAIR " procedure.
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