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International Automotive Technicians Network
Re: The Aftermarket and Hi-Tech
Posted to Technical Discussion Forum on 1/26/2020 1 Reply

speaking of the DTC list....as an a/m tech I never found a good explanation on the differences between "History" and "passed and failed".

If it failed, then later passed, how is that not history? If it passed and then now failed, is that not current? Is P&F ... Login to read more.

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