Body Electrical System

TRANSMITTER Repair Procedures

13steps
~78min
4/5difficulty
Done 0 of 13

Inspection

  1. Check that the red indicator light flashes when the lock button on the transmitter is pressed.
  2. If the red indicator does not flash, remove the battery (A) and check its voltage.

    Standard voltage: 3 V

  3. Insert the battery (A) into the tester (09954-2P100).
  4. Press the check button. If "0.00" is displayed on the screen, the battery voltage is 2 V or less.
  5. If the letter "L" is displayed on the screen, the battery is low and must be replaced.
  6. To avoid electric shock, turn off the tester.
  7. If the voltage is low, replace the transmitter battery with a new one, then try locking and unlocking the doors with the transmitter by pressing the lock and unlock buttons five or six times.
  8. If the doors lock and unlock, the transmitter is working. If the doors do not lock or unlock, record the transmitter code, then try locking and unlocking the doors.
  9. If the doors lock and unlock, the transmitter is working normally. Otherwise, replace the transmitter.

Transmitter Code Registration (with GDS)

  1. Connect the GDS DLC cable to the Data Link Connector (16 pins) in the lower driver's side instrument panel finish panel, then connect GDS.
  2. Select the vehicle model, then select "SAVE CODE".
  3. After selecting the "SAVE CODE" menu, press the "ENTER" key. The screen will display as shown below.
  4. After removing the ignition key from the cylinder, press the "ENTER" key to proceed to the next coding mode. After steps 1 to 4 are completed, coding is finished.

Test yourself

A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.