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Some Cadillac Lyriq Units Need This High Voltage Harness Fix

Cadillac’s parent company, General Motors, has released a service update for certain units of the 2023 Cadillac Lyriq to address an issue with the electric luxury crossover’s high voltage harness. 

The problem: the high voltage harness in affected units of the 2023 Cadillac Lyriq may contact a sharp edge on the high voltage battery case. 

The hazards: if the high voltage harness contacts the sharp edge of the battery case, it could cause the harness to be worn through. 

The fix: a dealership technician will install anti-abrasion tape to the sharp edge of the battery case and secure the high voltage battery harness.

Affected components: high voltage battery harness, high voltage battery case.

Affected vehicles: 2023 Cadillac Lyriq. 

Number of affected vehicles: the luxury marque did not indicate how many units of the Cadillac Lyriq may be affected by this conditions. 

Next steps: owners of affected units of the 2023 Cadillac Lyriq will be notified by Cadillac with instructions to make an appointment with a preferred dealer. To find out whether a particular vehicle is affected by this service update, owners may reach out to Cadillac directly using the contact information below. 

It’s important to note that because this is a service update, not a recall, it will expire at the end of the vehicle’s New Limited Vehicle Warranty period. 

Contact information: 

  • Customer satisfaction program number: N222390690
  • Cadillac customer service: 1-800-333-4223

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Alexandra Purcell

Alexandra is a Colorado-based journalist with a passion for all things involving horsepower, be it automotive or equestrian.

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