pscan software for Lucus 5A5 fob issue?

[macca16]

Hello,

Wondering if anyone has experience using the pscan tool from https://pscan.uk for diagnosing and reprogramming a Lucus 5A5 fob?

The fob stopped working and even after a battery replacement still isn’t working. I do have a second working fob thankfully.

Thanks

Ian


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[2F45T4U]

Ive had a Pscan for years. Ive only used it for engine diagnostics and live value views on the dyno.

I didnt know it had an immobiliser function. I'll have a play with it again.

[macca16]

Spotted the pscan info on the MGF forums https://www.mgfregister.org/forum/viewt ... 05#p179625

Saying that I spotted this nugget

The fob may be out-of-sync with the 5AS (rolling code is out of sync). Try pressing the unlock button of the fob 8 times to sync it with the 5AS. If that fails, try the lock button 8 times.

Tried that at the weekend and managed to get the fob working, able to set and unset the alarm, however after a few hours of tinkering removing the passenger seat and cleaning it had stopped working again. I was able to 'resync' it but I feel I needed to use the other fob in the presence of the misbehaving one in order for it to start working... I need to attempt it again, leaving the working fob out of the equation.

I somehow managed to disable, without knowing how, the (passive?) beahaviour where the immobiliser turns itself on after ~30 seconds. Thankfully after a jaunt on Sunday it was back to normal by itself.

Having been stranded once already, luckily only a mile from home, I'm keen to have a backup fob that I can rely on.

[macca16]

I bit the bullet and engaged a professional.

Popped it in the post to Paul at https://www.technozen-electronics.co.uk who returned it a couple of days later, working, with new case, buttons, a few replaced resistors and soldering of I guess dry joints.

So far so good.


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[philthy]

Nice result