Bosch RB4 dump needed 8E0 920 950H or Hx D27

[NogaroB5S4]

Hey guys... I have a corrupt 8E0 920 950Hx D27 cluster. The car won't start due to corrupt immo and there is a DEF in the display. Can the dump be fixed? I tried to fix with Magic Dash Bosch Level which claims that the cluster can be recovered in certain circumstances..but no luck here.

Does anyone have a dump of the same cluster with D27 software?Any help greatly appreciated.

[jruibarroso]

Bosch RB4 can't work others dash dump, if you test another dump on dash , it will be DEF forever

[NogaroB5S4]

I figured that to be the case, but I know that others were able to fix with the same model and software version dump.

[alfy]

What have you changed in the dump, only the first two lines? VIN seems OK.

[Alex789]

It seems that you lost 2 values only at 0x014 and 0x018 positions.
You can try to play with them.

I don't think that dash will be "Def" forever if you write the similar dump. Mask in CPU is not unique for every panel instrument, but for CPU.

Try dumps.

[NogaroB5S4]

Many thanks guys... I will try and report back.

[NogaroB5S4]

No luck with the above dump... Def and Error when uploaded... So ended up uploading the original "corrupt" and back to square one..DEF and 118727 miles.. corrupt immo. I tried playing around with the two corrupt/missing values but it seems that there are hundreds of possibilities and very slim chance of getting just right. I know that this cluster is a major PITA.

Anyone else have any other ideas? Formulas to calculate the missing values from the rest of the dump? I know dejavu can probably repair, but I just spend some major $ on MagicDashCAN with Bosch Level that claimed to repair dash, but no luck.. It seems that it should have repaired since the EEPROM is not that corrupt.

Anyone have a virgin dump for the cluster?

Thanks in advance for any help guys.

[jruibarroso]

as i posted before , Bosch RB4 can't work others dash dump, if you test another dump on dash , it will be DEF forever

seems to have some "agreement" beetwin MCU and epp, when losted this agreemet, MCU does not acept any other dump

[tachonow]

as i posted before , Bosch RB4 can't work others dash dump, if you test another dump on dash , it will be DEF forever

seems to have some "agreement" beetwin MCU and epp, when losted this agreemet, MCU does not acept any other dump

I think you are wrong. I have put manny times other dump in RB4 and when I restored with orig dump dash worked good.

[exe123]

correct. DEF forever is big bullshit.

[NogaroB5S4]

Agreed. After trying several dumps resulting with DEF and Error I was able to put the original corrupt dump back into the cluster and return to previous status so forever DEF is not correct. I think its just a matter of coming across the right dump with correct mask or repair with another tool.

Has anyone used VagDashCAN to perform a similar repair? Any luck?

[tsvetanovvvv]

It's so complicated

[Nushu007]

It's extremly complicated

[d2mike]

Complicated? Why - it's totally easy.
Drop me a line. I can remove DEF and DEF/Error by dump wihin seconds.