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by mikeak2001
01 Jan 2025, 12:09
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Corrupt CEM Non Start Investigation and Repair Tutorial

Hi everyone, Thought I'd add a little tutorial for the P2 vehicles. For anyone who doesn't know me I'm an autoelectrician. I don't just play with wires like most, I dive deep into the inner workings of the flash files too for a better understanding. I work on Volvo's quite a bit along with other man...
by Dudde
30 Aug 2025, 08:44
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Re: Corrupt CEM Non Start Investigation and Repair Tutorial

Thanks and Props to OP MikeAk2001 Having a similar problem on XC90 P2. https://drive.google.com/file/d/17-N_vKgyWYEro0mDcBX6xTcQ9k7o7OCG https://drive.google.com/file/d/17-N_vKgyWYEro0mDcBX6xTcQ9k7o7OCG/view?usp=sharing What I have tried so far. 1.) Cleaned CEM Boards, Replaced Surface Mount Compon...
by Dudde
31 Aug 2025, 22:34
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Re: Corrupt CEM Non Start Investigation and Repair Tutorial

Do you have the eeprom and flash files? I do not. If my research is correct I will need to purchase an EEProm Reader/Programmer compatible with Motorola/Freescale MC9S12DG256CPV chip. So far I have narrowed down to XHorse VVII Pro or Orange5. Do you have experience with either of these or recommend...
by vtl
12 Sep 2025, 18:56
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Re: Corrupt CEM Non Start Investigation and Repair Tutorial

Oh, I missed that. Yes, they had to sync it.