Radio flashes after locking it

Tiny
DV82949
  • MEMBER
  • 2005 CHEVROLET EQUINOX
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
After locking my vehicle the screen on the radio blinks on and off and it's causing the battery to drain.
Sunday, February 17th, 2019 AT 5:03 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,356 POSTS
Hello,

It sounds like the VCM (vehicle communication module) has gone out. but to be sure lets scan the CAN. here is a video so you can see how its done:

https://youtu.be/InIlnsjOVFA

Here is the module location, I would try unplugging it and then plugging it back in this can sometimes fix a bad connection. Please run down this guide and report back.
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Monday, February 18th, 2019 AT 12:12 PM

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