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Re: Jeep Patriot - Throttle, APP codes - PCM?
Posted to Technical Discussion Forum on 3/27/2018 4 Replies

It connects to the engine harness, APP signals run through that connector on their way to the PCM.

The best way to summarize the APP PID reading difference is if the PCM needs to make a change to the engine RPM for any reason, does not matter if at idle or c... Login to read more.

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