Voilà ce que Ross-Tech préconise, un reset du système:
02214 - Tire Pressure Warning: Defective
Possible Symptoms: Tire Pressure Monitoring not working
Possible Solutions: Reset Tire Pressure Monitoring
Special Notes
When found in VW Golf (1K) or similar: Brake Electronics (MK60),
perform System Reset Reset du MK60Prerequisites: Ignition ON
[Select]
[03 - Brake Electronics]
[Basic Settings - 04]
Group 042
[Go!]
Activate the Basic Setting.
[ON/OFF/Next]
[Done, Go Back]
[Close Controller, Go Back - 06]
The Tire Pressure Monitoring Lamp (K220) should blink.
Now check the Tire Pressure and correct it if necessary.
Press and Hold the Tire Pressure Monitoring Button (E492) AND the ASR/ESP Button (E256) for 2 Seconds.
A short Tone should sound after pressing/holding these buttons for 2 Seconds and the blinking should change to a permanent lit Tire Pressure Monitoring Lamp (K220).
The Reset is now done and as soon as you let the buttons go the Tire Pressure Monitoring Lamp (K220) should go OFF.
En complément, un test de l'ESP
http://wiki.ross-tech.com/wiki/index.php/ESP_System_Function_Test_(Conti/Teves)