Multiecuscan

Is the Hardware Key actually the same? Did you note it down when you installed MES originally?

Whilst MES mentions "Hardware Key" this may be affected by OS removals/installs.

Suggest you contact MES Support your license key, current harware key and any purchare proof you have.

Well just connect to each of the nodes (e.g. ecu, service, abs, etc) and see if mileage is a listed parameter.

The only mileage of significance is that from the Instrument Cluster Odometer. This is the one unit which has to be legally compliant / homologated etc. Other units like engine ECU, ABS also have mileage figures but as has been shown / commented on in the past these figures may not match the vehicle...

If you are having to re-enter every run then this suggests to me that where you have installed MES does not possibly have write privileges. I have no knowledge / idea as to where MES stores (and protects) the hardware and license keys. Try re-installing MES. If this does not work then contact MES Su...

If you are referring to the MES Software *License Key* the this only has to be done once.

For Fiats then cylinder 1 is at the crank pulley end of the block and 4 is at the gearbox/bell housing end of the block.

1-3-4-2 is the ignition firing order.

Your problem is that this is the wrong interface.

All Punto post 2003 (03) use the CANBus network and protocols and not the VAG KKL.

See: https://www.multiecuscan.net/SupportedVehiclesList.aspx

Just for other's information can you explain a little more?

What car?
You had a faulty Aibag ECU so you replaced it?
After replacement it was unrecognised and Proxi did not help?
You changed one or more bytes and did the custom Proxi?
Other ?

For a 500X then I get different info for the codes you quote: 5_Manual\Diagnostics_For_DTC\IPC11_Instrument_Panel_Cluster(Marelli)\ --> Body Computer Module (BCM) - Signal invalid U1700-86 5_Manual\Diagnostics_For_DTC\IPC11_Instrument_Panel_Cluster(Marelli)\ --> Body Computer Module (BCM) - Missing ...

MES Support can be very busy at times. I gather support gets many Emails daily and therefore has to do some prioritising. Suggest you hang on for a while and you should get a response. Even as MOD here I sometimes have to wait a while