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Home >> Kia >> 2012 >> Sorento SX, 4WD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key - Power Distribution Module >> DTC B1602: CAN Error >> Inspection/Repair >> Component Inspection

Component Inspection

■ Check internal errors of CAN communication units 

  1. Connect GDS.
  2. IG "ON" and engine "OFF".
  3. Select "DTC Analysis" mode.
  4. Disconnect CAN communication units one by one and monitor DTC to find the cause.
    Fig 1: Checking Internal Errors Of CAN Communication Units
    G07417281Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Identifying PCM, ESC And Instrument Cluster Connector Terminals
    G07417282Courtesy of KIA MOTORS AMERICA, INC.

    *CAN communication units : IPM(Intelligent integrated Platform Module), CLU(Cluster), PDM(Power Distribution Module), SMK(Smart Key), RPAS(Rear Parking Assist System).

  5. Is the code erased?

    YES 

    Substitute with a known - good unit and check for proper operation.

    If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.