Door lights stay on when all doors are closed?

Tiny
DREW1984
  • MEMBER
  • 2012 MAZDA CX-9
  • 3.7L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 185,214 MILES
Pulled meter fuse. Light stays on. Pulled BTM fuse. Light stays on. Pulled the connector out of the Bcm light went out
Monday, January 26th, 2026 AT 8:19 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,877 POSTS
There is an interior light override switch on the cluster dimmer switch please make sure that is not activated. Also, there are three other switch it can be, cargo, rear interior and central interior switches, please check all of those as well. Plug the BCM back in, it could be the PLG control module but lets do one step at a time. Ken
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Tuesday, January 27th, 2026 AT 9:25 AM
Tiny
DREW1984
  • MEMBER
  • 2 POSTS
It ended up being the Bcm. Removed the Bcm from the vehicle and took it apart. Found burnt connections on the bcm circuit board at the door switch connector. Looks to be possible water intrusion
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Thursday, January 29th, 2026 AT 3:08 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,877 POSTS
Yep, that will do it, nice find! Thanks for letting us know, we are here to help, please use 2CarPros anytime. Ken
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Thursday, January 29th, 2026 AT 9:00 AM

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