LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat Module Diagnosis >> DTC B1602-XX: Can Line Error >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
    G12090613Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Power Seat Module And Intelligent Integrated Platform Module Connector Terminals
    G12090614Courtesy of HYUNDAI MOTOR AMERICA

    *CAN communication units: IPM (Intelligent integrated Platform Module), DDM (Drive Door Module), ADM (Assist Door Module), CLU (Cluster), PSM (Power Seat Module), SCM (Steering Control Module), MFSW (Multi-Function Switch), SWRC (Steering Wheel Remote Controller), SMK (Smart Key Module).

  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.