![]() ![]() Opened service ticket and we went from there. all you have to do is remove the red and blue pin locks off the PCM connectors as originally after installing the engine i had forgot one small ground that was holding back HPtuners to connect.Īfter receiving a third revision of my tune i went to download to the PCM and i got the fateful message "unable to detect vehicle diagnostic protocol" Ensure that these wires are properly powered, and verify that the grounds are all connected as well. 12v for pcm and all the engine electrical as well, and a constant 12v going to PCM constant. Recently, i installed a new wiring setup running off switches that are controlling relays for the sw. (1 pin to blue connector pin 58, 1 pin to constant power, and two wires going to ground) this setup worked for roughly 1.5 years and never really had any issues with it besides when my laptop wouldn't let go of a USB device in that port. i got a universal OBD2 port off amazon and wired it in according to their instructions. My setup is a fully built 5.7 in a 87 rx-7 utilizing the newer 99-02 pcm with HPtuners software. Previous to this incident i was using my MPVI2 to download to the LS PCM with only intermittent issue. the wait time on the service tickets suck but the person (i believe it was Eric) was helpful to clarify questions i had when he did get a chance to reply. i personally find this insane - especially after working with a five member staff company supplying wiring harnesses throughout the world and still taking phone calls for orders or issues. ![]() I want to start by clarifying HP tuners does NOT have a contact phone number. We will contact you once purchase made with details to send in your computer.I have just finished figuring out an issue with my MPVI2 that i would like to share as it doesn't seem like the MPVI2 has been out long enough to have many successful troubleshooting posts, or at least not that i could find before being forced to open a service ticket. ![]() This is performed on the ECU YOU PROVIDE - YOU MUST SEND US YOUR ECU for purchase to be valid. If your ECU has been tunerlocked this requires extra time and software to unlock for reflashing and will incur an extra fee.
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