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How to read Bosch ME7.5 EEPROM correctly
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Topic: How to read Bosch ME7.5 EEPROM correctly (Read 6530 times)
subzverb
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How to read Bosch ME7.5 EEPROM correctly
« on: August 04, 2019, 10:10:11 PM »
hello everybody,
I am trying to understand how better to read correct EEPROM dump of Bosch ME7.5.
I see possible 3 ways:
1. resolder ST950403 to my TL866II programmer and read - what I did already and seems to be dump is not correct;
2. try to read it in OBD mode - what I did already and received an error during this procedure;
3. try to read it in boot mode - this way I still didn't try;
can somebody check my dump in attachment and give me advice how to do this better ?
thanks
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BlackT
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #1 on: August 04, 2019, 10:52:46 PM »
Use boot mode
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Blazius
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #2 on: August 05, 2019, 01:10:28 AM »
read obd with instrument cluster fuse pulled. If not bootmode.
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subzverb
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #3 on: August 05, 2019, 01:22:33 AM »
Quote from: Blazius on August 05, 2019, 01:10:28 AM
read obd with instrument cluster fuse pulled. If not bootmode.
you suppose that I'm receiving error in OBD reading because of connected dash ?
«
Last Edit: August 05, 2019, 01:29:03 AM by subzverb
»
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Blazius
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #4 on: August 05, 2019, 01:42:56 AM »
Quote from: subzverb on August 05, 2019, 01:22:33 AM
you suppose that I'm receiving error in OBD reading because of connected dash ?
yes mine does the same thing sometimes, when it does, pull fuse, cycle key, and try it.
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adam-
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #5 on: August 05, 2019, 02:36:27 AM »
You need bootmode to write it back anyway.
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subzverb
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #6 on: August 05, 2019, 03:55:15 AM »
Quote from: Blazius on August 05, 2019, 01:42:56 AM
yes mine does the same thing sometimes, when it does, pull fuse, cycle key, and try it.
still the same error. seems to be, the only way is boot mode
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Blazius
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #7 on: August 05, 2019, 03:56:38 AM »
Well bootmode it is then
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BlackT
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Re: How to read Bosch ME7.5 EEPROM correctly
« Reply #8 on: August 05, 2019, 04:18:01 AM »
Some ECUs whatever you do won't read via OBD. Second problem is with some PCs, on my laptop I cant read via OBD, but on other laptop I can.
Both laptops can read via boot mode. So I always use boot mode.
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