Hey, sorry I don't want to bother but you really helped me out with info on my thread about ME7.5 tuning. If you get a chance could you maybe give some insight on why my ECU does not want to allow reading? Once again I do not want to bother or waste your time.
The ECU is an ME7.5 that is NOT stock, it was sent off back in the early 2000s to be tuned but is stock mechanically wise. When I use Nefmoto I of course get the RequestUpload failed and memory Layout Validation failed as well. Do I need to flash the ECU back to stock before I can go further? Also does that require doing it in boot mode, with the addition of a Galletto cable?
ECU: 225HP ME7.5 0261206894
"Reading ECU flash memory.
Negotiating communication timings.
Requesting security access.
Security access granted.
Validation Flash memory starts at 0x00800000 and ends at 0x00900000.
Validation failed, ECU reports RequestUpload service is not supported. RequestUpload may have been disabled by aftermarket engine software.
Memory layout validation failed.
Reading ECU flash memory failed. Trying to force ECU to recognize read operation is complete.
Finished forcing ECU to recognize that failed read operation is complete.
Reading ECU flash memory failed.
100% complete.
If you could offer any advice I would appreciate it more then you know!
Thanks
First, open the ECU and check if it still has the stock flash chip. In the early 2000s, it was common to replace the factory chip with a riser when sending ECUs off for tuning. If your ECU still has the stock EPROM, you’re good to go.
Before flashing anything further, especially on a stock car, it’s a good idea to set up a bench flash setup. I offer ME7 bench flash harnesses, or you can buy one on AliExpress, make your own, or get a clone PCM flash powerbox for around $25. You can use the KKL cable with Galletto, but you’ll need to patch the serial with MProg. There’s a thread on the forum about this.
Another option is to use an MPPS cable. It handles bootloader issues well and can read/write over the ECU without problems. MPPS also supports boot mode flashing, which can be very helpful. Even MPPS version 13 will do the job.
I’m making this reply public to help others who may have the same question in the future.
