B1EB6

Symptoms

• Left seat back control buttons do not respond when pressed
• The adjustment mechanism does not move or moves jerkily
• Backrest stuck in one position
• A seat error message may appear on the dashboard
• Interruptions in the power supply to the adjustment mechanism

Causes

• Calibration process interrupted due to power failure during initialization
• Malfunction of the electric motor of the backrest adjustment mechanism
• Damaged or dirty backrest position sensor
• Oxidation or corrosion of contacts in the wiring harness to the mechanism
• Weak or unstable power supply to the seat control module
• Mechanical jamming of the adjustment mechanism
• Malfunction of the electronic seat control unit
• Disabling the battery without saving calibration data

How to Fix

1. Connect the OBD-II diagnostic scanner and read the error code B1EB6, check for additional related codes
2. Check the reliability of the electrical connection of the wiring harness going to the left seat back adjustment mechanism
3. Inspect contacts for oxidation and corrosion, clean contacts if necessary
4. Check the integrity and integrity of the electric motor of the adjustment mechanism, make sure there are no mechanical damages
5. Try to recalibrate: turn off the ignition, disconnect the negative terminal of the battery for 15-20 minutes, connect it back and turn on the ignition for automatic initialization
6. If calibration does not work, check the backrest position sensor for damage or misalignment.
7. If necessary, replace the position sensor or adjustment motor
8. If these measures do not help, replace the seat module electronic control unit
9. After repair, rescan and make sure the error code disappears

Related codes

FAQ