After one company reset it 3 times and it not working then telling me it was faulty and I would need to buy a new ecu at a cost of £463. I sent it to crash data within a day I had it back and reinstalled it, to find it was clear of all faults and light was no longer on ! Should have just sent it here in the first place would have saved me money and time Don’t believe others claims to be able to clear crash data, just send it to the ones that can CRASH DATA