There are 4 owner-reported driver assist & adas complaints for the 2014 GMC Acadiain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Blind spot monitor module corrosion, second replacement in three years. Warning lamps on and side mirror alert lights remain on at all times causing a distraction at night.
For the second time, my blind spot alert system has quit working. The first time it happened, my vehicle was slightly out of warranty and it required a replacement of a part that cost over $800. The replacement worked fine for several years but has recently stopped working again.
The contact owns a 2014 GMC Acadia. The contact stated that the blind spot detection module malfunctioned due to water intrusion, causing battery corrosion. The vehicle was taken to an independent mechanic and the dealer, where it was diagnosed that the blind spot detection module needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA. The failure mileage was approximately 135,000.
2017 blind spot detection lights on in both mirrors. Both modules in rear bumber replaced. 2021 blind spot sensors on again and “park assist off” in DIC with system not letting me turn back on.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026