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Vida CEM swapping

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RickHaleParker  
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Post by RickHaleParker »

Did two CEM-L . First three bytes went straight to the top on the first pass ( range 100, samples 10 ).
Active
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2017 Ford PIU. 3.5l, Twin Turbo, 365 Hp.
............................
Past
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. ( Killed by a plastic radiator. )
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion ( I moved, the project did not )
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0. ( Transmission dead after sitting for a winter )
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vtl  
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Post by vtl »

RickHaleParker wrote: 21 Sep 2026, 13:32 Did two CEM-L . First three bytes went straight to the top on the first pass ( range 100, samples 10 ).
Nice!
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vtl  
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Post by vtl »

Also

https://github.com/vtl/volvo-cem-cracker/issues/43

Not sure if he was able to crack it successfully after disabling the speculation.
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RickHaleParker  
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Post by RickHaleParker »

vtl wrote: 22 Sep 2026, 14:17 Not sure if he was able to crack it successfully after disabling the speculation.
He has not said if he was going to try disabling the speculation.

I been looking for a way to delay arming my RX hardware capture until the TX CAN frame if finished. But I would rather keep it independent of the M7. 300us maybe longer then a CAN frame but is it always shorter then TX CAN frame + latency ?
Active
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2017 Ford PIU. 3.5l, Twin Turbo, 365 Hp.
............................
Past
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. ( Killed by a plastic radiator. )
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion ( I moved, the project did not )
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0. ( Transmission dead after sitting for a winter )
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User avatar
RickHaleParker  
Posts: 7209
Joined: 25 May 2015, 14:30
Year and Model: See Signature below.
Location: Kansas
Has thanked: 8 times
Been thanked: 980 times

Post by RickHaleParker »

Screenshot from P80 Diag.png
Screenshot from P80 Diag.png (52.92 KiB) Viewed 255 times
Open source diagnostic for K-Line volvos. P80, X40, 900 & S/V90.
Supports interfaces KKL/FTGI, ELM357/OBDLink and J2534 including DiCE.
(J3534 supported in windows version only)

Linux Debian and Windows versions. Need somebody to compile a MacOS installer.
GitHub https://github.com/RickHaleParker/P80-D ... /tree/main

End users can down load the installers here:
Active
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2017 Ford PIU. 3.5l, Twin Turbo, 365 Hp.
............................
Past
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. ( Killed by a plastic radiator. )
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion ( I moved, the project did not )
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0. ( Transmission dead after sitting for a winter )
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