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Vida CEM swapping

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
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oscilloscope
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Re: Vida CEM swapping

Post by oscilloscope »

ZRimaZ wrote: ↑17 Aug 2022, 14:16 You mean ABS (BCM) serial? No. BCM serial is in ECM eeprom as part of immo system
yeah I'm having a play around with some old crap i have i bought from ebay. as i am trying to understand the cem+ecu synchro process , and wanted to see if i can see the ABS ID , unfortunately Ghidra doesn't recognise the eeprom from the ecu.
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5ft24
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Post by 5ft24 »

Speaking of ECM's, anyone know how to get the ECM PIN? P2, 2005 XC90 V8
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oscilloscope
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Post by oscilloscope »

5ft24 wrote: ↑17 Aug 2022, 15:33 Speaking of ECM's, anyone know how to get the ECM PIN? P2, 2005 XC90 V8
ecm pin ? , isn't the pin stored in the cem?
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5ft24
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Post by 5ft24 »

VDASH requires both the CEM PIN and ECM PIN to be able to flash a tune to the ECM.
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oscilloscope
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Post by oscilloscope »

oscilloscope wrote: ↑17 Aug 2022, 15:02
ZRimaZ wrote: ↑17 Aug 2022, 14:16 You mean ABS (BCM) serial? No. BCM serial is in ECM eeprom as part of immo system
yeah I'm having a play around with some old crap i have i bought from ebay. as i am trying to understand the cem+ecu synchro process , and wanted to see if i can see the ABS ID , unfortunately Ghidra doesn't recognise the eeprom from the ecu.

Is there a way to make these dumps from the ecu or cem into a readable form ? As the moment it's just gibberish
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vtl
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Post by vtl »

oscilloscope wrote: ↑19 Aug 2022, 12:12 Is there a way to make these dumps from the ecu or cem into a readable form ? As the moment it's just gibberish
Define "readable"?
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oscilloscope
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Post by oscilloscope »

vtl wrote: ↑19 Aug 2022, 12:16
oscilloscope wrote: ↑19 Aug 2022, 12:12 Is there a way to make these dumps from the ecu or cem into a readable form ? As the moment it's just gibberish
Define "readable"?
From what it's in to human readable instead of 'ff or backwards question marks , or zeros with wavey lines above them.
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vtl
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Post by vtl »

oscilloscope wrote: ↑19 Aug 2022, 12:25 From what it's in to human readable instead of 'ff or backwards question marks , or zeros with wavey lines above them.
I disassembled a few dumps with https://onlinedisassembler.com/odaweb/
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oscilloscope
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Post by oscilloscope »

vtl wrote: ↑19 Aug 2022, 12:31
oscilloscope wrote: ↑19 Aug 2022, 12:25 From what it's in to human readable instead of 'ff or backwards question marks , or zeros with wavey lines above them.
I disassembled a few dumps with https://onlinedisassembler.com/odaweb/
Thanks, man there is alot of options to go through 🙈 looks like I'll be up all night
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Bryt
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Post by Bryt »

Is this working with P2 V70 2001-2004?
https://github.com/mdapoz/volvo-cem-cracker
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