Where is the locking relay located?

2005 BUICK LA CROSSE
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FREDDYDANG
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  • 2 POSTS
Where is the locking relay located if any? My power door lock button works most of the time but sometimes it won't. Even with the remote.

Thanks!
Mar 30, 2012 at 1:15 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check DR/LCK fuse 15amp in the I/P fuse block. There's no locking relay-the BCM ( body control module ) controls the door lock system-Have it checked out
Mar 30, 2012 at 2:36 AM
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FREDDYDANG
  • MEMBER
  • 2 POSTS
Thought so. I can hear the clicking coming from the BCM when pushing the lock button. Would you happen to know where I find the part # to the relay on the BCM. I've seen quite a few people fix this problem by re-soldering a new locking relay to the BCM saving hundreds by not replacing the whole BCM.

Thanks again!
Apr 2, 2012 at 3:29 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
I don't have the info you're looking -sorry
Apr 3, 2012 at 3:54 AM
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