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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Driver Door Module Diagnosis (PHEV)) >> DTC B1602-00: CAN Error >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2017 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.

■ Check Internal Errors Of CAN Communication Units. 

  1. Connect KDS/GDS.
  2. Ignition "ON", Engine "OFF".
  3. Select "Diagnostic Trouble Codes (DTC)  " mode.
  4. Disconnect CAN communication units one by one and monitor DTC to find the cause.
  5. Is the DTC 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.