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Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Dual Clutch Transmission Diagnosis - 1.6L (2 Of 2) (Except HEV)) >> DTC U0121-87: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> Wiring Inspection >> Terminal and Connector Inspection

Terminal and Connector Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Many malfunctions in the electrical system are caused by poor harness and terminals.

    Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.

  2. Thoroughly check connectors for backed out terminal, improper mating, broken locks, looseness, poor connection, bending, corrosion, contamination, deterioration, damage or poor terminal to wire connection.
  3. Has a problem been found?
    G12937461Courtesy of KIA MOTORS AMERICA, INC.
    G12937462Courtesy of KIA MOTORS AMERICA, INC.

    YES 

    NO