Given this is in the Vortec section I'm guessing you have the 'black box' PCM. If the PID's don't validate then the PCM doesn't support them I'm afraid.
Given this is in the Vortec section I'm guessing you have the 'black box' PCM. If the PID's don't validate then the PCM doesn't support them I'm afraid.
I no longer monitor the forum, please either post your question or create a support ticket.
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