1. Program Identification 

General Motors  DCS7224   Date: May 23, 2025   Subject: N252494003- Special Coverage  L87 Engine Loss of Propulsion  General Motors is releasing Special Coverage N252494003 today.

2. Vehicles Covered 

Models: 2021-2024 Cadillac Escalade                 2021-2024 Cadillac Escalade ESV                 2021-2024 Chevrolet Silverado 1500                 2021-2024 Chevrolet Suburban                 2021-2024 Chevrolet Tahoe                 2021-2024 GMC Sierra 1500                 2021-2024 GMC Yukon                 2021-2024 GMC Yukon XL          

3. Extended Coverage for Engine Failure 

Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure.   This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.   For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin.  Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider.

4. Reimbursement for repair  

Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below.  The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. 

5. Types of Problems 

 A vehicle may come in with a seized engine, P0016 code, or a knocking noise. If a vehicle is exhibiting any of these conditions, check it for basic maintenance/neglect.  • If the vehicle is not showing any obvious signs of neglect and has a seized engine or a P0016 code, replace the engine. Refer to Engine Replacement in SI. • If the vehicle IS showing signs of neglect such as low/no oil level, has been hydrolocked, etc, the vehicle is NOT covered under this special coverage. • If the vehicle has a knocking noise, run the L87 PicoScope Test per field action #N252494000. Determine whether to replace the engine based on the results of that test.

6. Loaner Vehicles

Courtesy transportation is available for Customers whose vehicles are involved in a product program and still within the warranty coverage period. See General Motors Service Policies and Procedures Manual for courtesy transportation program details.   Customer Notification General Motors will notify Customers of this special coverage on their vehicle.  Customer Reimbursement Customer requests for reimbursement of previously paid repairs to correct the condition described in this bulletin are to be submitted to the dealer prior to or by May 31, 2026.  See General Motors Service Policies and Procedures Manual (USA & Canada) or local Policies and Procedures, for details. GM bulletins are intended for use by professional technicians, 

Questions Call the Law Office of Howard Gutman 973 479-5515 or 973 598-1980 for any questions or a free consultation