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Beeping sound coming from inside the car when on ignition switch on or car idling?

Tiny
DAVID DAVO ESSIEN
  • MEMBER
  • 2006 TOYOTA 4RUNNER
  • 4.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 112,249 MILES
Please help! How can I stop this constant beep sound manually without an advanced scanner?

What another engineer did was replace the master cylinder and servo because of no brake when the pedal is depressed with a new but converted type. The brakes are okay now according to the client.
However, the sound is still emanating. They were unable to stop the beeping sound.

I don't know either how to fix this noise/beep for the client. Please guide me on how to rectify and fix the problem.
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Friday, September 22nd, 2023 AT 3:20 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hi David,

I would do a system reboot, please follow this guide:

https://www.2carpros.com/articles/step-by-step-guide-performing-a-hard-system-reboot-for-your-vehicles-electronics-systems

If this doesn't work, we will need to scan the car for codes. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

Please go over these guides and get back to us.
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Saturday, September 23rd, 2023 AT 12:06 PM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
  • 147 POSTS
Thanks for the guide! However, the beep problem wasn't fixed. If I get or purchase a bidirectional scanner I'll get back to the client.
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Wednesday, October 11th, 2023 AT 11:17 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Now thinking about it, I would check the engine oil level. Please let me know.
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Thursday, October 12th, 2023 AT 10:47 AM

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