2024 Cadillac Lyriq electrical system problems

Related recalls

• Recall 25V356000May 29, 202541,376 vehicles
  ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL · EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT

  General Motors, LLC (GM) is recalling certain 2023 – 2024 model year Cadillac Lyriq vehicles. The driver video display may go blank while driving.

  Risk: A blank video display can result in a loss of critical safety information, such as the speedometer, warning lights, and rearview camera image, increasing the risk of a crash.

  Remedy: The video display control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters are expected to be mailed July 14, 2025. Owners may contact Cadillac customer service at 1-800-333-4223. GM's number for this recall is N252500680.

• Recall 24V320000May 9, 202410 vehicles
  ELECTRICAL SYSTEM:PROPULSION SYSTEM · ELECTRICAL SYSTEM:WIRING

  General Motors, LLC (GM) is recalling certain 2024 Cadillac Lyriq, Chevrolet Blazer EV, Chevrolet Silverado EV, GMC Hummer EV SUV, and GMC Sierra EV vehicles. The electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in a loss of drive power.

  Risk: A loss of drive power increases the risk of a crash.

  Remedy: Dealers will replace the rear drive unit, free of charge. Owner notification letters were mailed May 16, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; Hummer customer service at 1-800-732-5493; or GMC customer service at 1-800-462-8782. GM's number for this recall is N242447080.

What owners say

1. Filed Sep 17, 2026GAElectrical System

   On or about August 6, 2026, I received email communication from the GM EV Concierge , establishing Case #106606137. My vehicle has been "bricked" and GM has had possession of it since August 3, 2026, (46 days and counting) without so much as an official diagnosis or repair timeline. I have repeatedly been told that the matter has been “escalated,” that GM is “working with the dealership,” and that the repair is being “expedited,” however, I don't know to whom it has been…

   NHTSA complaint #11764970 · source
2. Filed Aug 22, 2026MAElectrical SystemFuel, Hybrid & EV PropulsionTransmission & Drivetrain

   On August 9, 2026, at approximately 3:40 a.m., while driving, the vehicle suddenly lost all propulsion and became completely disabled on the roadway. The vehicle remained powered on but would not move forward or backward. At approximately the time of the failure, Cadillac/OnStar Advanced Diagnostics generated a critical Electric Drive Unit warning instructing immediate service and reported diagnostic code P0A78. Additional vehicle diagnostic warnings involved the electric…

   NHTSA complaint #11758673 · source
3. Filed Jul 27, 2026CODriver Assistance & Safety TechElectrical System

   The infotainment screen in my car plus the menu control went completely dead. With the screen dead completely this mean you cannot see the speedomoter, rear camera feeds, warning symbols on the dash. You cannot see current speed, you cannot hear any sound so all alerting systems are down. You are completely blind in a vehicle built around this screen. Dealership has already confirmed faulty computer module. However was told it would have been originally resolved under…

   NHTSA complaint #11753137 · source
4. Filed Apr 20, 2026NJElectrical SystemOther / UnknownTransmission & Drivetrain

   My 2024 Cadillac LYRIQ generated the following High Voltage Battery fault codes via On-Demand Diagnostic: U2B4A, U2B4D, U2B50, U2B53, U2B56, U2B59, U2B5C, U2B5F, U2B62, U2B65, U2B68 — all under module VIC - Lithium-Ion Battery. Multiple codes are flagged "Service Right Away" indicating an active fault in the high voltage propulsion battery system. I brought the vehicle to Lindsay Cadillac, Alexandria VA [XXX] ) on [INSERT DROP-OFF DATE]. As of today [INSERT TODAY'S DATE],…

   NHTSA complaint #11732450 · source
5. Filed Apr 8, 2026TXElectrical System

   The vehicle has experienced repeated failures of the infotainment and display system, including the screen going blank and displaying “no content available” while functions such as Apple CarPlay are actively in use. The issue affects the ability to control media and view system information from both the main display and steering wheel controls. The vehicle has undergone multiple repair attempts, including replacement of the human machine interface (HMI) module and radio…

   NHTSA complaint #11729930 · source
6. Filed Mar 20, 2026ILElectrical System

   We own a 2024 Cadillac Lyriq EV. We began experiencing safety concerns related to battery performance and overall vehicle reliability during the active bumper-to-bumper warranty period. These concerns were reported to an authorized GM dealer, Napleton Cadillac, prior to warranty expiration. Service records at Napleton Cadillac document the history of these complaints. The vehicle has been unable to process required over-the-air (OTA) software updates through GM's intended…

   NHTSA complaint #11725923 · source
7. Filed Mar 7, 2026CAElectrical System

   I experienced a complete electrical failure in my 2024 Cadillac Lyriq that prevented access to the vehicle while an infant was inside. The incident occurred when the vehicle’s 12-volt battery system failed, causing a total loss of electrical power and rendering the vehicle completely unresponsive. As a result of this failure, all electronic entry systems stopped functioning and the exterior door handles remained in the locked position. There were no warning signs or error…

   NHTSA complaint #11722688 · source
8. Filed Mar 2, 2026CACrashElectrical SystemAcceleration & Cruise ControlSteering

   While slowly turning into a parking space at approximately 1 mph (?) the vehicle unexpectedly accelerated. The vehicle mounted the curb, and struck a a parked car and hit a brick retaining wall, causing damage to both. This all happened within a few seconds and there were no warning lights or messages before or during the accident. I was not injured and there were no other people present. The police were called and inspected the damages. The insurance company was contacted…

   NHTSA complaint #11721442 · source
9. Filed Feb 16, 2026MAElectrical System

   After a manufacturer-initiated software/system update was performed on my 2024 Cadillac Lyriq approximately two weeks ago, the vehicle stopped charging and stopped generating heat. I brought the vehicle to Cadillac Norwood MA for diagnosis. The dealership informed me that a replacement part is needed, but the part does not currently exist and must be manufactured by General Motors. They could not provide any timeline for when the part would be available or when the vehicle…

   NHTSA complaint #11718201 · source
10. Filed Feb 5, 2026CACrashBrakesDriver Assistance & Safety TechElectrical System

    On November 26, 2025, while traveling in stop-and-go freeway traffic, I experienced a severe braking failure that led to a rear-end collision. Despite applying maximum force to the brake pedal, the vehicle did not decelerate as expected. Objective technical evidence from the Bosch CDR report (Case #1105768) confirms a critical system failure: Extreme Driver Input: At -0.5 seconds before impact, Driver Applied Brake Pedal Pressure reached 10,935 kPa, representing a…

    NHTSA complaint #11715908 · source
11. Filed Jan 29, 2026CAFireElectrical SystemLighting

    My 2024 Cadillac EV is only 9900 miles. I was driving the car on Sunday Jan 11, 2026 with my family when we noticed smoke filled inside the cabin. My 3 children (a [XXX] , a [XXX] old, and a new-born who is [XXX] old) were in the car; they inhaled the smoke. We evacuated the car and called onstar for assistance - who towed the car. The smoke originated from the tailgate of the car. Alarmingly, just 3 days before this incident (Jan 8, 2026), I took the car to the local…

    NHTSA complaint #11714212 · source
12. Filed Sep 20, 2025NJBrakesElectrical SystemOther / Unknown

    At least 10 times over the past three months the vehicle’s feature of one pedal driving disengages without a reason or code. When the this happens the vehicle accelerates rapidly. This has happened on local streets and on the highway and often results in a near miss collision. I am concerned this will result in a serious injury or death.

    NHTSA complaint #11688578 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology