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Hello

Today I put my tester on my 407 1,6hdi and the diagbox said that there was an communication error with the abs/esp computer,, I then tried to put another tester on the car (a launch) and that tester worked fine for the abs,, I then tried putting another diagbox tester on the car, that couldn't either read the abs/esp computer, communication error again.. Does anyone know why the diagbox can't connect ?
 
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I have this on my car too, the only way around it on mine is to do a Global test, then click on the ABS ECU. If you still can't communicate you may be able to press enter on the 'cannot communicate' page and then press F3 if you are asked if you have made the right choice, and then you may have another menu screen with 2 or 3 different ECU possibilities - just pick one and go from there..:D
 
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