Car beeping randomly while driving?

Tiny
PANDAAA
  • MEMBER
  • 2013 VOLKSWAGEN JETTA
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 35,000 MILES
Hello,

My car started beeping once in a while, while driving (same sound as when someone didn't buckle their seatbelt). Any idea what it could be?
I already tried:
- All the doors are properly closed.
- Trunk and gas door are properly closed.
- Seatbelts are buckled (for the people in the car).
- Hood is properly closed.
- Oil level is good (oil change due in 4k km).

I forgot to add that when it beeps, the temperature indicator flashes 4-5 times (not the warning light, the indicator that tells the temperature of the outside (there are no warning light that are lit)).
Sunday, November 27th, 2022 AT 5:37 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 46,565 POSTS
This sounds like a bad Vehicle System Control Module but to be sure we need to run a CAN scan which is easy to do. You can get a CAN scanner (Controller Area Network) from Amazon from about $32.00.

Here is a video to show you how:

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

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Amazon CAN scanner link:

https://amzn.to/3sX8MCX

Here is how to replace the Vehicle System Control Module in case you need it. Check out the images (below). Please let us know what happens.
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Monday, November 28th, 2022 AT 12:36 PM

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