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Posted

Hi there I have a barra swaped patrol I can connect to forscan through the pcm but everytime I try to read the pcm with pcmtec it comes up with UDS error all of my software is upto date on my laptop it's been tuned before to allow for the conversion 

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Posted

Have you successfully used this cable to flash a PCM previously? What is the cable and was it purchased genuine?

Non genuine cables or cables without FEPS support can give this error.

Canbus wiring issues to the OBD port can also cause issues like this, eg the FEPS (OBD pin 13) not being wired up.

Posted (edited)

I use a genuine tactrix 2.0 cable and no iv never used it on this vehicle mate it has been previously tuned with hp tuner by someone else iv spoken to this person they said that they have not put a tuners lock on it all so it's a custom harness for the turbo barra to patrol and yes iv used my cable on many other vehicles with out an issue just never used it with a custom harness in a patrol conversion 

Edited by Cookie1992

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