Buick Lucerne Electrical Problems

Asked by GuruDZB8BN Dec 01, 2023 at 06:38 PM about the 2007 Buick Lucerne V6 CXL FWD

Question type: Maintenance & Repair

My Buick has a mind of its own with electrical problems, power
windows,heated seats,door locks,dome lights, dash lights, radio somtimes
they work and somtimes they don't, any ideas?

5 Answers

310,245

Buicks tend to have problems with grounds, especially the ones for the BCM, my last Buicks seats would just quit working then would start back working, took me a long time to find the problem due to the intermittent operation, it was a ground wire under the passenger seat, and yes I did have to remove the seat and carpet on that side, after that I have found similar grounding issues and BCM connector problems. Do not rely on the dealer to find the problem cause they won’t go any further than checking for codes, and as it won’t leave a code that’s when they stop.

1 people found this helpful.

Yes, yes & yes....erratic behavior in the instrument cluster. Where is the body control module located?

310,245

Your vehicle has on the left side of the dash, after you get the lower panel off you should be able to see it.

Your Answer:

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