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Home >> Kia >> 2021 >> Soul X Line >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Cluster Module Diagnosis >> DTC B1040-55: LKAS/LDWS Present Error - Coding Code Error >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

G13286204Courtesy of KIA MOTORS AMERICA, INC.
G13286205Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
connector Terminal connector Terminal
  1. Ignition "ON".
MFC connector 12 (C-CAN high) Chassis ground - Fig.1
MFC connector 4 (C-CAN low) Chassis ground -
G13286206Courtesy of KIA MOTORS AMERICA, INC.

Good 

  1. 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.
  2. Repair or replace as necessary and then go to "Verification of Repair " procedure.

    In case of replacing the component, perform following "System Inspection" procedure.

No Good 

  1. Repair open or short in circuit and then go to "Verification of Repair " procedure.