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Then I think the other guy you talked to is right. It's probably debug code writing to an address that was inserted during testing but removed in production ECUs; they forgot to take out the code. The 0xDB you are reading is probably undefined value on the bus when you address it. What kind of data is being written to those locations? That may give you some clue.Eddy
Then I think the other guy you talked to is right. It's probably debug code writing to an address that was inserted during testing but removed in production ECUs; they forgot to take out the code. The 0xDB you are reading is probably undefined value on the bus when you address it. What kind of data is being written to those locations? That may give you some clue.
Eddy