The National Highway Traffic Safety Administration recently launched an investigation into the Lyriq, General Motors’ electric crossover, due to reports of brake system issues. Owners reported experiencing a hard brake pedal and loss of brake boost assistance, accompanied by warning messages indicating brake system failure.
General Motors attributed the problem to a potential fracture in the spindle inside the electronic brake control module during anti-lock braking system events. To address the issue, General Motors introduced a new material clean break point and developed over-the-air software to cycle the brake booster at startup.
If a spindle issue is detected during startup cycling, owners receive a warning message prompting them to have their vehicle inspected at a dealership. Although General Motors did not issue a formal recall, they implemented these solutions to address safety concerns.
The Cadillac Lyriq, manufactured on GM’s BEV3 platform, boasts impressive specifications, including a 102-kWh battery providing a driving range of up to 314 miles for the single-motor version. Despite the reported brake system issue, the Lyriq remains a top choice in the electric crossover market, offering luxurious features and performance.
