Continental TPMS in Shipping Mode
Discussion
Had a new TPMS Valve (OEM) fitted on one wheel after a puncture on my Jaguar XF X260.
Turns out, the valve was / is still in "Shipping" / Transit mode, meaning it is shut down until a 125Khz Modulated signal is provided.
I have suitable tooling for all but that! - I've tried some cheaper TPMS Activation / Reset tools to no avail, as well as some of the "hack" methods, like dropping the tyre pressure / Reinflating, and have been driving around on it for a fair while - So 125Khz will be the only way forward.
I'd rather not have to buy an absurdly expensive tool to turn on one sensor - Anyone have any suggestions for a cheap tool that can just fire some 125Khz waves at a wheel?
At this point, I'll take schematics for a spark gap transmitter
Turns out, the valve was / is still in "Shipping" / Transit mode, meaning it is shut down until a 125Khz Modulated signal is provided.
I have suitable tooling for all but that! - I've tried some cheaper TPMS Activation / Reset tools to no avail, as well as some of the "hack" methods, like dropping the tyre pressure / Reinflating, and have been driving around on it for a fair while - So 125Khz will be the only way forward.
I'd rather not have to buy an absurdly expensive tool to turn on one sensor - Anyone have any suggestions for a cheap tool that can just fire some 125Khz waves at a wheel?
At this point, I'll take schematics for a spark gap transmitter

E-bmw said:
I would have thought your local "fast fit centre" or main dealer could do this for not very much.
Don't know, just assuming.
Probably - I just hate admitting defeat Don't know, just assuming.

From what I've heard on a few Jag forums, lots of people seem to have trouble with them not quite grasping that the sensor needs to be removed from shipping mode or running into tooling limitations - Might start dropping into a few whenever I pass to see if they can zap it for me.
It only took a couple of years of fudging, but I suppose it illustrates the power of bloodyminded persistence. 
As of this evening, using a flipper Zero, I have managed to get the TPMS Sensor within the wheel unit to come alive.
It most certainly would’ve been cheaper to have someone take the wheel off and fit a different sensor, but that approach didn’t appeal to me.
Using the Flipper and the TPMS Sensor that was removed, the NXP Chipset documentation, and firmware from 2 other TPMS Tools that I found floating around on darker corners of the internet, I have been able to identify the command used to change these from ‘Shipping’ to ‘Parking’ Mode, as well as fathoming out the rest of the status headers / datagrams.
Flipper Zero? £160ish
Autel / Bartec / Continental TPMS Tools with the capability? £600+… - And they can’t be used to fiddle with the TV at the pub
For anyone else experiencing this rather rare trouble, if you need your TPMS Zapped to life let me know… I’ll put my full findings into a GitHub or something soon so that everyone can benefit.

As of this evening, using a flipper Zero, I have managed to get the TPMS Sensor within the wheel unit to come alive.
It most certainly would’ve been cheaper to have someone take the wheel off and fit a different sensor, but that approach didn’t appeal to me.
Using the Flipper and the TPMS Sensor that was removed, the NXP Chipset documentation, and firmware from 2 other TPMS Tools that I found floating around on darker corners of the internet, I have been able to identify the command used to change these from ‘Shipping’ to ‘Parking’ Mode, as well as fathoming out the rest of the status headers / datagrams.
Flipper Zero? £160ish
Autel / Bartec / Continental TPMS Tools with the capability? £600+… - And they can’t be used to fiddle with the TV at the pub

For anyone else experiencing this rather rare trouble, if you need your TPMS Zapped to life let me know… I’ll put my full findings into a GitHub or something soon so that everyone can benefit.
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