VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby jxx » Fri Mar 26, 2021 11:42 am

It's bad news, after the time it stops responding to cranking with no PIM attached, it also stops starting if the engine is manually made to crank.
So it's not a way to defeat VATS.

Just a way to lock an ecu to never be reset again, or have another pim linked to it.

Need to get into the security part of the ECM and get it to ignore P0633 No Transponder programmed.


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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby hsv08 » Fri Mar 26, 2021 3:05 pm

Wonder if you can write to it as you have, then setup an arduino to keep sending the PIM ok frames. As a way to somewhat worksaround the vats issue?

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby Gareth » Fri Mar 26, 2021 3:08 pm

The real goal is to be able to use this ECU as a standalone in say, a speedway car or other race car.
According to chemistry, alcohol is a solution...

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby hsv08 » Fri Mar 26, 2021 3:10 pm

Gareth wrote:The real goal is to be able to use this ECU as a standalone in say, a speedway car or other race car.

I get common requests for programming the alloytecs standalone in Jetboats too!

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby jxx » Fri Mar 26, 2021 3:28 pm

hsv08 wrote:Wonder if you can write to it as you have, then setup an arduino to keep sending the PIM ok frames. As a way to somewhat worksaround the vats issue?


Then it'd just be as easy to use the PIM.
Although never tried, but will it run/fire without a BCM, and from circuit diagrams I've seen the BCM is only connected to the PIM by aldl, so a simple Okay to start command over that should trick it.


I did notice when the PIM was reset it logged a P0633 code in itself, but still ran, so like E38 gen iv I don't think this dtc disables it.
Last edited by jxx on Sat Mar 27, 2021 11:56 am, edited 2 times in total.

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby VX L67 Getrag » Fri Mar 26, 2021 9:25 pm

Stupid thought, but has anyone tried running that ecu with that code completely disabled so it doesn’t even process the fault?

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby hsv08 » Sat Mar 27, 2021 2:38 pm

VX L67 Getrag wrote:Stupid thought, but has anyone tried running that ecu with that code completely disabled so it doesn’t even process the fault?

If I get a chance on Monday I'll attempt it on a random ecu.

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby The1 » Tue Apr 06, 2021 3:56 pm

Another update before i head off for a week.

V1.4
Added ReadMemoryByAddress – 23 RAM Download
Added Custom PID Request

Seems to be 28 memory segments that can be read in 0xFA chunks. So i setup a routine to dump them out to files. Doesn't seem to be anything interesting even when linked or not linked. I may have to use the same "ReadMemoryByAddress – 23" to do a full flash download as i think "RequestUpload – 35" might be disabled.

Added Custom PID Request, eg input 90 and it will spit out the response, it'l also do a seed key unlock first.

Ill work on downloading the Flash contents next.

Attached is my segments.
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Ram.7z
(1.52 KiB) Downloaded 8 times

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Re: VZ V6 E55 ECU Brute Force Reset Tool & PIM Relink

Postby The1 » Tue Apr 06, 2021 6:29 pm

If anyone has any info it would be appreciated, as im not even sure what segments are Ram, Calibration, System.

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