I bought my Honda accord 2007 about three years ago,the car is good but recently about two weeks ago the car refuse to start so I called my auto electrician to check what the fault is, but he could not fix it. I noticed the key light on the dashboard keep flashing I ask the auto electrician to reprogram the key I noticed the key programming kit is not communicating with the E C M (brainbox) please advise needed very urgent

was the key light flashing before u called the electrician ?

Yes

worldman:
I bought my Honda accord 2007 about three years ago,the car is good but recently about two weeks ago the car refuse to start so I called my auto electrician to check what the fault is, but he could not fix it. I noticed the key light on the dashboard keep flashing I ask the auto electrician to reprogram the key I noticed the key programming kit is not communicating with the E C M (brainbox) please advise needed very urgent

adanny01 luvinhubby nurey mayor2013 honmusa GAZZUZZ

thebigkendo:


adanny01 luvinhubby nurey mayor2013 honmusa GAZZUZZ

If the immobilizer light doesn't disappear with the right programmed key in the ignition then this indicate the key transducer is out of synch with the immobilizer ECU.
First scan the immobilizer ECU to determine what the fault is then this will guide u on the next line of action .

Try to diagnose but it's not communicating with the E, C, U

worldman:
Try to diagnose but it's not communicating with the E, C, U

That is where the source of the issue is ,the ECU is down!!!.
You need to check the power and ground terminal to the ECU for open or shorts.If the terminals are confirmed good then you need to swap ECU.don't forget to program the new ECU to sync with the old key!!!

Check for a blown fuse or an ECM relay.

Thank you all that contribute, problem has been solve E. c. u is the problem

worldman:
Thank you all that contribute, problem has been solve E. c. u is the problem

thanks for updating the thread.

honmusa:

thanks for updating the thread.

Boss, please tell me something about 2001 Benz e320.