NefMoto > Technical > Flashing and Chipping > Forgot to checksum and now no sign of life.
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Author Topic: Forgot to checksum and now no sign of life.  (Read 5479 times)
Jim_Coupe
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« on: January 24, 2017, 11:08:33 AM »
Hi,

I forgot to do a checksum on my me7.5 ECU today... I flashed it and now I lost connection. Last time i was in the same situation i just reflased the ECU on the bench with a KWP2000+ but dont have that tool here right now.. What o DO have is a KKL cable and a KESS tool.. But i have tried the KESS tool och the bench but it cant find the ECU either. I ordered an AMT flasher they use to work when in trouble.. but it will take couple weeks b4 i get that..  So whan can i do with what i have??
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TijnCU
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« Reply #1 on: January 24, 2017, 02:06:54 PM »
bootmode flash the corrected file on it with galetto and KKL cable Smiley You can even bootmode it in the car with a little help...
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Jim_Coupe
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« Reply #2 on: January 25, 2017, 12:49:39 AM »
What program do you use to bootmode with KKL? I have an MPPS on the way but will take some time.. Sad
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vwaudiguy
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« Reply #3 on: January 25, 2017, 10:37:55 AM »
The mighty Jim_Coupe has never done bootmode on ME7.5?  Huh
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Jim_Coupe
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« Reply #4 on: January 25, 2017, 11:43:49 AM »
haha Mighty? A mighty noob is more like it .. Smiley   well yes I have but never managed to do that on just an KKL cable. (My MPPS cable got toasted some how.. Cough* Cough*) . I tried MiniMon with KKL but didnt managed to get it all correct with that.Smiley   I managed to get it re-flashed on bench with Me7 visual logger. Its possible to do it on the bench with that program IF you do it just after having flashed new eeprom 95040 Smiley  So now problem solved.

Well this was my first Me7.5 to boot mode.. I have only done that B4 with my Me7.1.1 and Me7.x Narrowband and some MS43 Smiley 

« Last Edit: January 25, 2017, 11:48:21 AM by Jim_Coupe » Logged
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idzioch
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« Reply #5 on: January 25, 2017, 01:07:06 PM »
Quote from: Jim_Coupe on January 24, 2017, 11:08:33 AM
Hi,

I forgot to do a checksum on my me7.5 ECU today... I flashed it and now I lost connection. Last time i was in the same situation i just reflased the ECU on the bench with a KWP2000+ but dont have that tool here right now.. What o DO have is a KKL cable and a KESS tool.. But i have tried the KESS tool och the bench but it cant find the ECU either. I ordered an AMT flasher they use to work when in trouble.. but it will take couple weeks b4 i get that..  So whan can i do with what i have??

Use VCDS/KKL cable and NefMoto Flasher...
Remember to disconnect car battery for 5 minutes (or plugs from ECU) before trying to connect to ECU with NefMoto Flasher.
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Jim_Coupe
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« Reply #6 on: January 25, 2017, 01:11:22 PM »
Thanks for info.. The crappy geran Merkel ECU now works.. Smiley
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