General Motors is issuing a recall for 67,380 Cadillac and Chevrolet EVs in the United States following reports of a rare software defect that can cause a sudden, temporary loss of braking pressure at low speeds.
According to documentation filed with the National Highway Traffic Safety Administration (NHTSA), the recall impacts specific Performance All-Wheel Drive (pAWD) models across General Motors' portfolio:
- • 2023-2027 Cadillac Lyriq
- • 2024-2027 Chevrolet Blazer EV (limited to SS and police PPV trims)
- • 2025-2026 Cadillac Celestiq
- • 2026-2027 Cadillac Vistiq
Transport Canada has yet to publish a matching recall campaign for the Canadian market, though affected model years and AWD configurations overlap across both territories.
The problem
The anomaly originates in the Brake System Control Module (BSCM) software and manifests only under a very specific sequence of events. If a driver lightly applies the brake while executing a sharp, low-speed turn over a road depression or bump, —such as crossing a driveway curb into a garage, the software’s slip calculation can misinterpret wheel movement.
This glitch leads the system to briefly release hydraulic brake pressure. While normal braking capability immediately returns upon re-pressing the brake pedal, the unexpected hesitation increases collision risks.
GM identified 24 related field complaints between February 2024 and June 2026, encompassing 20 minor collisions and two reported minor injuries.
The issue resurfaced after a technician submitted a report via GM’s internal Speak Up for Safety program following an April 2026 incident in which a 2024 Cadillac Lyriq struck a garage wall at low speed, despite having received a previous 2024 braking software recall update. GM engineers subsequently replicated the fault during track testing.
The solution
General Motors is addressing the defect by deploying updated software code to the Brake System Control Module. The fix will be provided free of charge and can be installed via an over-the-air (OTA) update for vehicles with active wireless updating enabled, or directly at GM dealerships.
However, GM noted that while newly manufactured vehicles already feature corrected software, the specific update code required for 2023 and 2024 model-year Lyriqs is still under development.