need Support for 1K8920885

[sv_t]

Hello, I have problems with using the latest version of the VDO Editor on a 1K8 speedometer. Reading out EPROM still works without any problems, but reloading EPROM doesn't work. Every time I write to the EPROM again, it blocks my access to the immobilizer. First I just wanted to change the start logo, then I wanted to change the scale, finally I just read EPROM and wrote it again unchanged. Same problem every time, immobilizer access blocked. What could be the reason? Part number is 1K8920885J, HW02, SW1104. Thanks for tips.

[skodapilot]

Utility bug: changes immo state value independently did you touch it or not before.
Will fix soon.

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[sv_t]

Many thanks for answer .
Do you need information about what is changed by the program when writing to the EPROM ?
The program changes values by itself, even if I as the user don't change anything .

[skodapilot]

I know bit and offset.The reason is selecting of cluster type. Different types have different meaning of the same value.

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[Ferry]

Hello, I'm writing this here because it's the same speedometer with the same part number, I hope that's ok.

I have the problem that I want to put the speedometer in an EOS. Unfortunately I cannot recode the K number. I would have to set 7 under byte 0 bit 0-3. But it is stuck at 1 and cannot be changed. Now my question is, can I adjust it somehow in the eeprom, or adjust it somewhere in the VDO editor so that I can get the 7 in there? Tire circumference and all the other settings also fit Eos as it is set up. It just shows a completely wrong speed compared to the GPS signal (18km/h difference from 100km/h). I would be very happy about a positive feedback.

[Boubou]

Not possible on 11xx firmware

[Ferry]

Is there perhaps the possibility of flashing to a higher level where you can then code it again? Or is it possible to specify this somehow in the eeprom? I think there must be a possibility. Because even for a scirocco, where the original is available, a k value of 7 should be set, as I said, it is stuck at 1.

[skodapilot]

Use values from original eos dump from following offsets: 0xAD and 0xB6

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[Ferry]

I'll take a look at what's in the values right away. Can you tell me what these values do, or what exactly they adjust?

[skodapilot]

This pair defines k value. Full algorithm is unknown for me, but I am not agree with opinion that the second byte is just unlocking mask (just for sw10** and higher). Check real value via measuring channel. Possible values can be observed via research module

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