GM Corrected Tire Data for 2025 GMC Sierra EV
Owners of 2025 GMC Sierra EVs should watch for a mailed manual insert correcting inaccurate tire information.
Updated on Oct. 11, 2026 in Electric Vehicles
Live Poll
Should automakers be required to provide physical manual updates for minor tire information errors?
General Motors has launched a customer satisfaction program to correct erroneous tire data printed in the owner's manuals of 2025 GMC Sierra EV vehicles. The program ensures that crucial specifications, including load ratings and identification numbers, are accurately documented for owners.
Why it matters
Accurate tire information is essential for maintaining vehicle safety and ensuring proper replacement tire selection. This manual update ensures owners have the correct specifications for their specific electric vehicle configuration.
The program, identified as N262567130, addresses incorrect Tire Sidewall Labeling sections in 2025 GMC Sierra EV manuals. These updates will be available through October 31, 2028.
The players
General Motors
An automotive manufacturer responsible for the production of GMC vehicles and the issuance of service bulletins for consumer safety and information.
The details
The error involves inaccuracies regarding tire size, TPC specifications, DOT markings, manufacturing dates, identification numbers, and load ratings. General Motors is distributing supplemental inserts via mail to vehicle owners to place directly into their existing manuals. For vehicles still held in dealership inventory, technicians are responsible for printing and inserting the corrected pages before the vehicles are sold.
Timeline
Customer satisfaction program N262567130 was released on October 1, 2026.
The program remains in effect until October 31, 2028.
The Home Front
Vehicle manufacturers frequently issue updates to technical documentation to ensure compliance with federal safety information standards. This program reflects a standard administrative correction process for owner-facing vehicle information.
If you own a 2025 GMC Sierra EV, keep an eye on your mail for the official supplemental insert from General Motors. Once received, verify your manual's information against the provided sheet and file it securely in your glove box.
The takeaway
Maintaining accurate vehicle documentation is a key part of long-term EV ownership and safety. Keep your supplemental manual insert stored with your vehicle's primary owner's manual to ensure the correct tire specifications are always available during routine service or maintenance.
Further reading
For more on managing your vehicle's technical maintenance and documentation, explore the Electric Vehicles section.
Live Poll
Should automakers be required to provide physical manual updates for minor tire information errors?
