P1590 CEL fix

gjsa

New Member
Hi, my sisters 2011 CJ lancer has been throwing P1590 errors and has gone into limp mode once.

I want to change the ECU to rule it out as a cause.

Can anyone advise on the cheapest, simplest way to try swap the ECU (can I do it without reprogramming by disabling the immobilizer by swapping pins 8 and 22?).

If I have to save the existing ECU configuration and upload to new one and also disable the immobiliser - is there a post on here with step by step instructions?
 
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