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I have toyota verso 2007..the ignition as been on but no…

Customer Question
I have toyota verso...

I have toyota verso 2007..the ignition as been on but no star battery is good..I think immobilizer problem b2799 the code..can you help me how to reset..Im in the road now

Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it?

Well I tried but still the same no cranking..and code still there niw

Mechanic's Assistant: What is the model of your '07 Toyota?

Toyota corolla verso

Mechanic's Assistant: Are you fixing your Corolla yourself? What have you tried so far?

So far nothing just diagnose and tried to reset..I yun the second key because other key battery gone maybe thats making my car troeble

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Well Im a mechanic..but for sure its a immobilizer B2799..want to know how to reset first

Submitted: 6 months ago.Category: UK Car
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Answered in 8 hours by:
12/30/2017
UK Auto Mechanic: Eric, Automotive Repair Shop Manager replied 6 months ago
Eric
Eric, Automotive Repair Shop Manager
Category: UK Car
Satisfied Customers: 34,914
Experience: Automotive Repair Shop Manager, Technician/JA Mentor
Verified

HI,

I am sorry that you have not been helped yet. I just came online and saw your question.

Ok, possible causes are

Faulty Key

Faulty transponder key amplifier

Faulty Transponder Key Electronic Control Unit (ECU)

Transponder key amplifier wire harness

Faulty Engine Control Module (ECM)

The only quick fix would be to try a hard reset by disconnecting the negative cable on the battery for 10 minutes.

If this doent work then it will require diagnostic testing with dealer level scan tool to diagnose

Read more: https://www.autocodes.com/b2799_toyota.html

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Customer reply replied 6 months ago
I hoogle it already..some say is causing steering not unlock..but I tried to unlock many time but nothing happen..my wuestion to you is how to reset the immobilizer
UK Auto Mechanic: Eric, Automotive Repair Shop Manager replied 6 months ago

HI,

When there is a hard fault in the system, which the B2799 code means, you cannot just reset the immobilizer. It will need to be diagnosed and repaired.

Again, there is no "reset" when there is a hard fault in the immobilizer system

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