Red110 replied to the topic 'ECU and BCU compatibility' in the forum. 2 years ago

I don’t mean to take this thread off topic but since Roverlike posted the following;
”in case of second half of 2003 onwards MGTF is equipped with Pektron BCU. That unit is paired with engine ECU or Engine Management System. Remote fobs are paired with BCU. All of that can be done woth PScan. However do not forget you need barcode with remote fob if you want to pair it with Pektron
BCU”
I presume the link to the ECU is to cut the power supply or earth so the engine won’t start?
If so could you retain the immobiliser with an aftermarket ECU?

 


Original engine ECU is set to question 5AS or BCU for dedicated paired code. If that code is not present, engine ECU will not work, it will be immobilised. 
However if engine ECU is remaped or aftermarket ECU is used and that questioning sequence for paired code is removed you will be able to use engine ECU without immobilisation as it is not present.
Not to be confused, you still needs remote fobs since 5AS or BCU is still present and it will do its remaining functions of prevention but not the engine immobilisation.


My 2003 TF (Lucas fob) has now an ECU sent by K-Maps, not the original one (happy with the remap, BTW)
Does it mean the immobilisation has been erased?
I was thinking of having it suppressed, it would be a nice addition if it has already been done
 


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