No remote detected when starting?

JOE NUNEZ

MEMBER
2014 BUICK LA CROSSE
3.6L
6 CYL
2WD
AUTOMATIC
103,000 MILES

The car has been giving the message "no remote detected" when starting. It is not every time, mostly at the first start of the day or after it has been sitting awhile. We purchased a new key fob, but the problem pursuits. After looking around online, I am guessing it is not receiving the signal. Any help would be greatly appreciated.

Monday, April 10th, 2023 AT 2:58 PM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
51,541 POSTS

This problem can be the keyless entry antenna, keyless entry control module or the BCM is going out, but you should check the fuse BCM# 8 at the lower left side of the dash panel. I would run a CAN scan to see what codes come up. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Here is one for about $99.00 if you need it:

https://amzn.to/3ZixY4v

Here is the keyless entry wiring diagrams and module location so you can see how the system works. Check out the images (below). Please let us know what happens.

Images (Click to make bigger)