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Moose. Having the exact same issue as the guy describe. Can…

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Hi, Moose. Having the exact...
Hi, Moose. Having the exact same issue as the guy describe. Can you help?
Submitted: 7 months ago.Category: Lexus
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Answered in 45 minutes by:
12/6/2017
Lexus Mechanic: Chris (aka - Moose), Technician replied 7 months ago
Chris (aka - Moose)
Category: Lexus
Satisfied Customers: 52,655
Experience: 16 years of experience
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Welcome, I'm Chris (aka-Moose).

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We can not see the post you are referring to. So I do not know what concern you are trying to address?

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Customer reply replied 7 months ago
Oh I’m sorry. Guy was working on a 2008 Lexus IS250. He replaced the ECU fue to a no check engine light/no communication issue. With donor ecu he had check engine light and communication, but when he tried to start vehicle, it briefly cranked and shut down. Again, no check engine/no communication. I’m having the same issue on a 2009 Lexus IS250. I know it’s not the ECU, something in the car is blocking somehow the ECU at the time of cranking. I couldn’t follow the thread anymore, so I don’t know if you guys figured it out, but I believe if you did, you can help me figure out my same issue.
Customer reply replied 7 months ago
I signed up and submitted payment. Hope you can help
Lexus Mechanic: Chris (aka - Moose), Technician replied 7 months ago

Have you checked all the ECU power and ground wires to the ECU to confirm the ECU is powering up correct?

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Customer reply replied 7 months ago
All grounds and powers are there. I too thought it was a loose ground.
Customer reply replied 7 months ago
Like I said, I can communicate fine with ecu, no codes there, but when I try to start vehicle, it’ll crank for a split second and then shut down, CEL and communication is lost after that first crank.
Customer reply replied 7 months ago
This is the link for your post. Might help you get a faster answer. I’m also getting B2281 in power source module, but I already replaced that and the neutral safety switch, and same thing
Customer reply replied 7 months ago
https://my-secure.justanswer.com/question/guest/72594801e6b542f284829e54cc5418da
Lexus Mechanic: Chris (aka - Moose), Technician replied 7 months ago

For that other customer, them diagnosing this code 2281 with these steps https://www.dropbox.com/s/c3m2gyb1oi0gmu7/2281.pdf?dl=0 is what resolved the concern.

Now that I have posted a partial or complete answer, you will see you can rate me. The deposit you have already paid is not transferred to me until you rate me. I would like to receive nothing less than 5-star excellent ratings. So if we are not there yet, please reply and let me help more. If you're not pleased, let me know because rating bad does not result in a refund, there are better options. Rating now will not close this post nor prevent replying. Thanks Chris

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Customer reply replied 7 months ago
I’ll give you 10 stars if you help me out on this one haha. I’ll follow your diagnosis tomorrow morning and let you know. Thanks for the prompt response
Customer reply replied 7 months ago
Question: do you know exactly what the other guy found/repaired/replaced to fix his issue? I already replaced ecu, neutral safety switch and power source module.
Lexus Mechanic: Chris (aka - Moose), Technician replied 7 months ago

All I know is after I supplied that file his response was that fixed it. If you get stuck on these steps, let me know.

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Customer reply replied 7 months ago
Ok. Thanks.
Lexus Mechanic: Chris (aka - Moose), Technician replied 7 months ago

You are welcome

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