So I recently purchased a used APR ECU Stg 1 for my C5 2.7t and am having some issues getting it to work - hope you guys can help.
Symptoms: Basically, when I plugged in the APR ECU and turned the ignition, the engine would fire up, and then cut out a second later. Tried entering the 'Unique Access' code and nothing.
As far as I know, the ECU is compatible with my vehicle (same serial) and only has the 93 octane program.
A little confused at this point - dont know if its the anti-theft, some sort of lockout program that I dont know about etc. I will probably try to get APR on the phone next week but wondering if you guys the answers I am looking for.
Thanks in advance
- from the humble Audi NoOb!
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