Body Electrical System

Repair Procedures

12steps
~72min
3/5difficulty
Done 0 of 12

Removal

  1. Disconnect the negative (-) battery terminal.
  2. Remove the glove box housing. (Refer to Body - "Glove Box")
  3. Disconnect the connectors from the Body Control Module (A).
  4. Remove the mounting nuts (2) to loosen the BCM (A).

Installation

  1. Install the Body Control Module.
  2. Install the glove box housing.
  3. Connect the negative (-) battery terminal.

BCM Diagnosis Using GDS

  1. The vehicle electrical system malfunction can be quickly diagnosed using the Hyundai Diagnostic System (GDS). The GDS provides the following information.
    1. Self-Diagnosis: Checks malfunction and Diagnostic Trouble Code (DTC)
    2. Current Data: Check the system input/output status.
    3. Actuation Test: Check the system operating status
    4. Additional Functions: Controls other functions, including system parameter setting and zero point adjustment.
  2. Select "Vehicle Model" and "Body Control Module (BCM)" for inspection to check the vehicle with the scan tool.
  3. Select the "Current Data" menu to check the current input/output status.
  4. To forcibly activate the input value of the module under test, select the "Active Test" option.
  5. To change a user setting, select "User Setting".

Test yourself

A quick Hyundai Genesis DH quiz: every answer comes with an explanation and a link to the manual page.