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Home >> Kia >> 2017 >> Optima EX >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Cluster Module Diagnosis (Except HEV) >> DTC B1020-55: TPMS Present Error - Coding Code Error >> Wiring Inspection >> Terminal and Connector Inspection

Terminal and Connector Inspection

  1. Many malfunctions in the electrical system are caused by poor connection. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
  2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
  3. Has a problem been found?
    Fig 1: ECM/PCM Circuit Diagram
    G12137797Courtesy of KIA MOTORS AMERICA, INC.

    YES 

    NO