Consumers sue GM in class action over Cadillac Lyriq EV defects

Cadillac class action lawsuit overview:

• Who: Two consumers have filed a Cadillac class action lawsuit against General Motors LLC.
• Why: They claim Cadillac Lyriq vehicles are defective and can become inoperable.
• Where: The Cadillac class action lawsuit was filed in Washington federal court.

A new class action lawsuit alleges Cadillac Lyriq electric vehicles are defective and can become inoperable due to defects in electrical architecture, software systems, battery management modules and vehicle control networks.

Plaintiffs Wendy J. Cochran and Charlene Riddle filed the Cadillac class action complaint against General Motors on April 2 in Washington federal court, alleging violations of state and federal consumer laws.

According to the class action lawsuit, the Cadillac Lyriq can become nonfunctional or “bricked,” rendering it incapable of starting, charging or operating.

The lawsuit alleges that when the defects manifest, the vehicle may become completely inoperable, requiring towing and prolonged dealer service.

Owners nationwide have reported that Lyriq vehicles can become immobilized due to software failures, control module communication errors, battery management system failures and charging system faults, the lawsuit says.

Cadillac Lyriq class action alleges GM knew about defects

The Cadillac class action lawsuit alleges that in many instances, dealerships are unable to repair the vehicles promptly, leaving vehicles inoperable for weeks or months.

The plaintiffs allege that GM has long known of these defects through pre-release testing, internal engineering reports, warranty claims, dealership repair reports, National Highway Traffic Safety Administration complaints and/or consumer reports.

Despite this knowledge, GM continued to market the Cadillac Lyriq as a reliable luxury electric vehicle, listing the vehicle at a premium price, the class action lawsuit says.

GM failed to disclose the defects to consumers, the plaintiffs allege. As a result, the plaintiffs and class members purchased vehicles that are defective, unreliable, unsafe and worth substantially less than represented, they claim.

The plaintiffs allege they purchased and/or leased a Cadillac Lyriq based upon GM’s false and misleading representations regarding the reliability of the vehicle. As a result, the plaintiffs claim they and class members suffered damages as a result of GM’s misrepresentations and omissions regarding these defects.

The lawsuit is seeking damages and compensation for the plaintiffs and all class members.

Meanwhile, GM is facing another lawsuit alleging it sold certain vehicles equipped with an engine defect that can cause sudden engine failure.

What do you think of the claims made in this Cadillac Lyriq class action lawsuit? Let us know in the comments.

The plaintiffs are represented by Darrell L. Cochran of Pfau Cochran Vertetis Amala PLLC.

The Cadillac Lyriq class action lawsuit is Cochran, et al. v. General Motors LLC, Case No. 3:26-cv-05329, in the U.S. District Court for the Western District of Washington.

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