Waiting for module now. Second one to go bad since 2018. Dealer wants $864.00 for module and harness. Had right side replaced under warranty few years ago. You can replace these for about $300.00 including the harness BUT they still have to be programmed into your communication bus, and only G.M. has the proprietary software.
This is a design flaw that should be enough for a recall. People are spending thousands of dollars on these sensors because you can't disable the **** things and eventually they can and will interrupt other signals in the communication bus, Like when your turn signals don't work or all the dash lights go out.
I am writing this in this old thread, because someone my have a current problem and be reading it like myself. What happens is these side object moduals corrode and then they disrupt the communication bus for the Acadia, causing multiple other issues, some intermittent. IF you do not want to have them fixed, ever,... disconnect the moduals, they are under the bumper on the right and left side. This will stop the bus disruptions from these moduals. Put the plug in a plastic bag and tuck it up there, if you might someday want to fix them. Probably the plug is corroded anyway already. This is how to get everything else back on line, low cost.
The wiring stays in place because the harness is tied to data from the parking sensors, among other possibilities. Remove the SBZA modules (one on each side in the lower quarter panel behind the rear wheel) and protect the connectors from weather. Turn off the SBZA system in vehicle personalization.
THere are two modulas, one on each side, inside of the bumper, where it wraps around the side of the car. You can reach up from under the gmc and see them. There is a tab you can push, and then pull the modual out forward. HOWEVER it will probably be very stuck...as it swells up when it corrodes. However with determination, you can get it lose..... BUT...even if you leave it in place, all you need to do to get the rest of the system to start to work...IE everything but these side object detection systems, is DISCONNECT each of these two moduals. THere is a connector on each, that has a place to push in, then pull it off. Then the system will not be disrupted on communication buss, and will start to work again.
Cost of parts and labor it seems. I suppose with the price of gas, food , etc. . .. some may delay a full repair.
Yes. .if you replace the SBZA detectors they do need to be programmed by the dealer using proprietary equipment AFAIK. No way to do it yourself.
+1, I believe they need to be programmed plus the calibration/aiming needs to be checked.
Thank you all, YES indeed I had to have it programed. Dealer charge was 165, but now it works fine.
