Vehicles speed sensor

Tiny
ETAE
  • MEMBER
  • 2010 TOYOTA LANDCRUISER
  • 284,712 MILES
My car dash show 4lo and check engine warning light after moving a few km.
Thursday, September 10th, 2020 AT 7:52 AM

5 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This very well could be a speed sensor issue but let's check the codes and go from there.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Once we know what codes are in it we will better know what the issue may be and can track that down. Let us know this and we will get you the testing and possible causes. Thanks
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Thursday, September 10th, 2020 AT 11:37 AM
Tiny
ETAE
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The code p0500.
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Sunday, September 13th, 2020 AT 11:40 PM
Tiny
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I attached the testing that we need to run through. It is not the easiest but that would explain why the lights come on just after moving a little while. This is basically saying that the speed sensor is not registering.

Many people just replace the speed sensor and see if that fixes it. Sometimes it does and others it doesn't. I would recommend running through this and seeing what we come up with because it could be just as likely an ECM or harness.

Let me know if you have questions. Thanks
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Monday, September 14th, 2020 AT 6:33 PM
Tiny
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Thanks. Let me try to do this procedure.
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Wednesday, September 16th, 2020 AT 6:03 AM
Tiny
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Okay. Great. Let us know what you find. Thanks for the update.
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Wednesday, September 16th, 2020 AT 6:13 PM

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