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Driver's side headlight flashes while car is off

Tiny
IGORKAR91
  • MEMBER
  • 2018 HONDA CIVIC
  • 1.5L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 15,000 MILES
Hello,

The driver side highlight flashes randomly, it can happen while car is on or off.
The frequency is inconsistent it happens very randomly.
I've attached a short video.
Monday, June 20th, 2022 AT 10:59 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
I don't see the video. If you are on mobile it can take some time to upload. Anyway, it sounds like the BCM is going out. To be sure we perform a CAN scan to confirm the failure. Here is a guide and video on how to do the job and I have included how to change out the BCM and the headlight wiring diagram so you can see how the system works in the diagrams below.

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

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Tuesday, June 21st, 2022 AT 8:47 AM
Tiny
IGORKAR91
  • MEMBER
  • 3 POSTS
Thanks for the reply!
Here is the video:
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Tuesday, June 21st, 2022 AT 11:39 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
The video doesn't show much, can you please recheck it?
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Wednesday, June 22nd, 2022 AT 7:56 AM

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