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Eric
Eric, Automotive Repair Shop Manager
Category: UK Car
Satisfied Customers: 32046
Experience:  Automotive Repair Shop Manager, Technician/JA Mentor
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I am jacky I have some problem with my is250 (lost

Customer Question

Hi i am jacky I have some problem with my is250 (lost communication with fuel injected control module)won't start
Submitted: 1 year ago.
Category: UK Car
Expert:  Eric replied 1 year ago.
HI,
I am sorry that you have not been helped yet. I just came online and saw your question.
Has the lost communication been confirmed with a scan tool? If not, how was this determined to be the issue. Is the immobilizer light on
Customer: replied 1 year ago.
with scan tool,DTC CODE U0105
Expert:  Eric replied 1 year ago.

HI,

Ok, I have uploaded the testing procedure. You need to check the wiring as shown and repair if needed. If ok, the replace and program new ECM

I can tell you most of the time it is a bad ECM

Expert:  Eric replied 1 year ago.
I noticed we have not yet resolved your concern you asked about. I would sure appreciate it if you would reply so I can offer my skills and knowledge and repair guide access to help as best I can.
~Do you still need more help?
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If the answer is YES to any of these just press reply and lets work on this concern some more.
If you have new questions now or in the future please do not hesitate to ask them. If you would like me to assist you. Just bookmark this page so you can access my profile easy and post a new question from the question box on my profile page. Please remember to rate service using the rating page so that I may receive credit. Thanks
Customer: replied 1 year ago.
Customer: replied 1 year ago.
Because yesterday is Sunday
Expert:  Eric replied 1 year ago.
HI,
Ok, always glad to help
Customer: replied 1 year ago.
I check the wiring is all ok .any other thing can I check
Expert:  Eric replied 1 year ago.
HI,
If wiring is good, then the ONLY possible cause is a faulty ECM. Nothing else
Please remember to rate service using the rating page so that I may receive credit. Thanks