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Author Topic: b5.5 passat awm ecu read issue  (Read 566 times)
1mouse3
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« on: March 22, 2020, 12:33:07 PM »

I have a 04 b5.5 passat with a awm and 8E0909018A ecu. Im getting memory layouts errors trying to read the bin off the ecu. It will start to read then a relay clicks in the car followed by all shift points hilighted (P to 1), then the read errors out. I tryed all the layouts and get the same outcome.

Code:
Validated FTDI device is in dumb mode.
Disconnected
Connecting...
Starting slow init connection.
Connecting to address 0x01.
Slow init succeeded.
Switching to KWP2000 session.
Connected
Reading all ECU info.
Starting diagnostic session.
Unable to properly start diagnostic session, attempting to continue with current undefined session.
Negotiating communication timings.
Successfully changed to new communication timings.
0% complete.
20% complete.
40% complete.
60% complete.
80% complete.
100% complete.
Read 5 ECU info entries:
0x92, System Supplier ECU Hardware Number: 0261208291
0x94, System Supplier ECU Software Number: 1037369320
0x91, Vehicle Manufacturer ECU Hardware Number: 0x0D, 8E0909018A  , 0xFF
0x9B, Calibration Date: 4B0906018DP , 0002, 0x030040A7, 0x00000000, 0x14BF, 1.8L R4/5VT    ,  G   
0x9C, Calibration Equiment Software Number: 0x00000000
Reading ECU flash memory.
ECU reports programming session preconditions have been met.
Negotiating communication timings.
Successfully changed to new communication timings.
Requesting security access.
Security access granted.
Starting diagnostic session.
Successfully started diagnostic session.
Negotiating communication timings.
Successfully changed to new communication timings.
Requesting security access.
Security access granted.
Validating flash memory starts at 0x00800000 and ends at 0x00900000.
Validation failed, ECU reports that security access is not granted.
Memory layout validation failed.
Starting to read data block.
Requesting upload from ECU for address range 0x00800000 to 0x00803FFF.
Request upload from ECU failed, ECU reports security access has not been granted.
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.
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BlackT
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« Reply #1 on: March 22, 2020, 12:37:52 PM »

Most of 8E0909018 can not be read with nefmoto
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1mouse3
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« Reply #2 on: March 22, 2020, 12:44:33 PM »

What would I want to use then? I am try to do a sai and rear o2 deleat on this so am not getting flow coad or washed cyilenders at cold start.
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1mouse3
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« Reply #3 on: March 22, 2020, 01:08:10 PM »

Will it atlest wright to this ecu becuse in a serch Im finding a original bin for it.

http://chiptuning.pw/ecu-files/volkswagen-original-ecu-files/
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BlackT
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« Reply #4 on: March 22, 2020, 01:47:43 PM »

Yes if you find same file you can write without any problems.
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1mouse3
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« Reply #5 on: March 22, 2020, 01:54:16 PM »

Thanks
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BlackT
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« Reply #6 on: March 22, 2020, 02:04:55 PM »

You are welcome
Second option is to read it with boot mode, galeto 1260 works for me every time
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1mouse3
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« Reply #7 on: March 23, 2020, 04:17:02 PM »

Used the Galletto in the sticky and edited the executable, now have one cable to rule them all. It worked with out issue with the ecu in boot mode, I was too uncerten about the bin I found. The bin I did find was a exact match to the one pulled, best to be safe than up some creak without a paddle. Thanks again for advice and in standing that will not have to freat over the chance of bricking this ecu, I would assum.
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