martig
Posts: 12
Joined: Wed Jun 09, 2021 2:48 am

Re: Problem with MCU P062F

kiev wrote:Did you try the RL78 method?

i think there are several examples of both the VIN and the Part Number sequence with the check sum in this thread on the first page.
Hi,

I spent some time trying various parameters, but was not able to calculate the CRC or find the algorithm. The algorithm can be anything. Also, only a part of the VIN number might be used for the calculation. It doesn't even have to be a CRC algorithm. Can just be addition of all the hex values + something. Who knows.

I think it would be good if we could get at least 4 VIN numbers and corresponding checksums. Right now I only found 2 VINs and 2 part numbers in this thread.
bezzeb
Posts: 33
Joined: Thu Sep 17, 2020 5:53 am

Re: Problem with MCU P062F

martig wrote:
kiev wrote:Did you try the RL78 method?

i think there are several examples of both the VIN and the Part Number sequence with the check sum in this thread on the first page.
Hi,

I spent some time trying various parameters, but was not able to calculate the CRC or find the algorithm. The algorithm can be anything. Also, only a part of the VIN number might be used for the calculation. It doesn't even have to be a CRC algorithm. Can just be addition of all the hex values + something. Who knows.

I think it would be good if we could get at least 4 VIN numbers and corresponding checksums. Right now I only found 2 VINs and 2 part numbers in this thread.
i have 1 more eeprom dump
bezzeb
Posts: 33
Joined: Thu Sep 17, 2020 5:53 am

Re: Problemwith MCU P062F

mut 3 could not reprogram immobilizer or mcu ((
boothegermanshepherd
Posts: 162
Joined: Sun Jul 04, 2021 9:50 am
Location: sunny devon

Re: Problemwith MCU P062F

Hi

I have a couple of eeprom dumps, will that help

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