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Incorrect conditions to run this test!

Posted: 11 Apr 2023, 10:42
by apwdr
I have 2015 Fiat 500X 1.4L manual
Using bluetooth ELM327 connection to my laptop running Windows 7
I'm wanting to put the park brake into service mode, and I get this error "incorrect conditions to run this test" FAILED TO EXECUTE

What are the correct conditions?