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Discussion Starter · #1 ·
I think my ECU has lost the tune? Drove it up into the toyhauler for winter storage, no issues. I went to get it out today and it wont start, says the DESS not RECOGNIZED, bad key. So i googled and people say the ignition key switch is usually the culprit. so i swapped that out but made no difference. So i hooked up my MaptunerX to dcan it for codes and it has a ton of fault codes.
How do I go about getting a copy of the stock tune and flashed back onto the ECU?
Is going to the deer the only option? Will just be a pain since i cant start it to get it out of the toy hauler and onto a utility trailer to take it to the dealer...
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