Corolla t sport engine management lights

[mrsb805]

I have a 2002 Corolla TSport. 
A few months ago I had an issue with the TRC and VSC lights on the dash going on. The garage replaced a part ( not sure what but it comes as a complete unit and has a grooved cog ?????).Anyway all was fine until yesterday - they came back on again. 
I haven’t got the fault codes but any ideas???? 
Not sure if relevant but they came in just as did a hill start and released the handbrake???

 

[Mooly]

I wonder if the part was a 'Reluctor Ring' which is a toothed cog used as a sensor for the antilock brakes. It is not used as a gear, it generates an electrical pulse to show how fast the wheel is turning.

What you describe is not unknown on the TSport and can be caused by anything from a problem with the ABS sensors (on any wheel) or even daft things like differing tyres on the same axle.

If its just a one off then I wouldn't worry. Fwiw I used to have TSport years ago and experienced this myself. It was never an issue though. I think I probably reset the system by setting the steering straight ahead and then disconnecting the Battery for 30 minutes or so, then reconnect and job done.

 

 

.

[oldcodger]

You can buy basic code readers that will give you the codes and allow you to clear /reset any old ones; just make sure the supplier states they will work on Toyotas.

 

[Tomo86]

Try clean your abs sensor as metal shavings can get stuck to the magnet and cause abs and vsc light to come on