Technical Service Bulletins

No low beams on Buick

Order Reprints
No low beams on Buick

Owners of a 2010 Buick LaCrosse may complain that the right side low beam headlamp is inoperative.

First, check for a possible blown BCM 4 fuse. This fuse is #9 in the IP Fuse Center (BCM 4).

This condition may also cause codes B2699.01 and/or B2699.04 to set.

It is possible for the wiring going to the right side headlight to become rubbed through by the generator pulley. Inspect the generator pulley area for wires (blue or tan) to be shorted. Repair wiring as necessary and zip-tie the harness out of the way of the pulley.

Related Articles

No Buick Low Beam

Buick No Longer Communicates

Yellow Headlight Beams Emit From Ram

You must login or register in order to post a comment.