# Service bulletin 25\-NA\-156

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11026104
- Published by NHTSA: 2025\-12\-04
- Manufacturer's number: 25\-NA\-156
- Manufacturer's date: 2025\-06\-07
- NHTSA component: WHEELS

## NHTSA's summary

This service bulletin provides information on Tire Sidewall Irregularities.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026104-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026104-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Wheels

## Vehicles listed

- 2023 BRIGHTDROP 600 ELCV
- 2022 BRIGHTDROP EV600
- 2024 BRIGHTDROP ZEVO 400
- 2023 to 2024 BRIGHTDROP ZEVO 600
- 2016 to 2019 BUICK CASCADA
- 2010 to 2026 BUICK ENCLAVE
- 2013 to 2022 BUICK ENCORE
- 2023 to 2026 BUICK ENCORE
- 2020 to 2026 BUICK ENCORE GX
- 2016 to 2026 BUICK ENVISION
- 2024 to 2026 BUICK ENVISTA
- 2010 to 2019 BUICK LACROSSE
- 2020 BUICK LACROSSE
- 2013 BUICK LESABRE
- 2010 to 2011 BUICK LUCERNE
- 2012 BUICK LUCERNE
- 2010 BUICK REGAL
- 2011 to 2020 BUICK REGAL
- 2018 BUICK REGAL TOURX
- 2020 BUICK REGAL TOURX
- 2012 to 2017 BUICK VERANO
- 2013 to 2019 CADILLAC ATS
- 2015 to 2019 CADILLAC ATS\-V
- 2025 to 2026 CADILLAC CELESTIQ
- 2020 to 2026 CADILLAC CT4
- 2020 to 2026 CADILLAC CT5
- 2013 to 2015 CADILLAC CT6
- 2016 to 2020 CADILLAC CT6
- 2021 CADILLAC CT6
- 2017 to 2018 CADILLAC CT6 PLUG\-IN HYBRID
- 2010 to 2019 CADILLAC CTS
- 2010 to 2012 CADILLAC CTS\-V
- 2014 to 2016 CADILLAC CTS\-V
- 2018 CADILLAC CTS\-V
- 2010 to 2011 CADILLAC DTS
- 2012 CADILLAC DTS
- 2014 to 2017 CADILLAC ELR
- 2010 to 2026 CADILLAC ESCALADE
- 2010 to 2016 CADILLAC ESCALADE ESV
- 2017 to 2026 CADILLAC ESCALADE ESV
- 2026 CADILLAC ESCALADE ESV IQ
- 2026 CADILLAC ESCALADE ESV IQL
- 2010 to 2014 CADILLAC ESCALADE EXT
- 2010 to 2011 CADILLAC ESCALADE EXT 1500
- 2010 to 2014 CADILLAC ESCALADE HYBRID
- 2025 to 2026 CADILLAC ESCALADE IQ
- 2026 CADILLAC ESCALADE IQL
- 2023 to 2026 CADILLAC LYRIQ
- 2025 to 2026 CADILLAC OPTIQ
- 2010 to 2016 CADILLAC SRX
- 2010 to 2011 CADILLAC STS
- 2012 CADILLAC STS
- 2026 CADILLAC VISTIQ
- 2018 CADILLAC XT4
- 2019 to 2025 CADILLAC XT4
- 2026 CADILLAC XT4
- 2013 to 2016 CADILLAC XT5
- 2017 to 2026 CADILLAC XT5
- 2020 to 2025 CADILLAC XT6
- 2026 CADILLAC XT6
- 2013 to 2019 CADILLAC XTS
- 2020 CADILLAC XTS
- 2014 to 2015 CHEVROLET 3500
- 2016 CHEVROLET 3500
- 2017 to 2019 CHEVROLET 3500
- 2020 CHEVROLET 3500
- 2021 CHEVROLET 3500
- 2022 CHEVROLET 3500
- 2024 CHEVROLET 3500HD
- 2016 CHEVROLET 4500
- 2017 to 2019 CHEVROLET 4500
- 2020 CHEVROLET 4500
- 2022 CHEVROLET 4500
- 2017 to 2023 CHEVROLET 4500HD
- 2017 to 2022 CHEVROLET 4500XD
- 2017 to 2023 CHEVROLET 5500HD
- 2018 to 2022 CHEVROLET 5500XD
- 2019 CHEVROLET 6500
- 2019 to 2023 CHEVROLET 6500HD
- 2010 to 2013 CHEVROLET AVALANCHE
- 2014 CHEVROLET AVALANCHE
- 2010 to 2013 CHEVROLET AVALANCHE 1500
- 2013 CHEVROLET AVALANCHE 2500
- 2010 to 2011 CHEVROLET AVEO
- 2019 to 2026 CHEVROLET BLAZER
- 2024 to 2026 CHEVROLET BLAZER EV
- 2022 to 2023 CHEVROLET BOLT EUV
- 2017 to 2023 CHEVROLET BOLT EV
- 2024 CHEVROLET BOLT EV
- 2025 to 2026 CHEVROLET BRIGHTDROP 400
- 2025 to 2026 CHEVROLET BRIGHTDROP 600
- 2018 CHEVROLET C3500
- 2010 CHEVROLET C4500
- 2010 to 2024 CHEVROLET CAMARO
- 2011 to 2018 CHEVROLET CAPRICE
- 2012 to 2017 CHEVROLET CAPRICE POLICE PURSUIT
- 2010 to 2018 CHEVROLET CAPTIVA
- 2010 to 2014 CHEVROLET CAPTIVA SPORT
- 2014 to 2017 CHEVROLET CHEVEROLET SS
- 2015 to 2016 CHEVROLET CITY EXPRESS
- 2018 CHEVROLET CITY EXPRESS
- 2010 CHEVROLET COBALT
- 2010 CHEVROLET COBALT SS
- 2010 to 2012 CHEVROLET COLORADO
- 2013 to 2014 CHEVROLET COLORADO
- 2015 to 2026 CHEVROLET COLORADO
- 2010 to 2025 CHEVROLET CORVETTE
- 2026 CHEVROLET CORVETTE CONVERTIBLE
- 2026 CHEVROLET CORVETTE CONVERTIBLE E\-RAY
- 2026 CHEVROLET CORVETTE COUPE
- 2026 CHEVROLET CORVETTE COUPE E\-RAY
- 2024 CHEVROLET CORVETTE E\-RAY
- 2010 to 2011 CHEVROLET CORVETTE ZR1
- 2010 to 2019 CHEVROLET CRUZE
- 2010 to 2026 CHEVROLET EQUINOX
- 2024 to 2026 CHEVROLET EQUINOX EV
- 2010 to 2021 CHEVROLET EXPRESS
- 2023 to 2026 CHEVROLET EXPRESS
- 2010 to 2014 CHEVROLET EXPRESS 1500
- 2010 to 2019 CHEVROLET EXPRESS 2500
- 2023 to 2024 CHEVROLET EXPRESS 2500
- 2026 CHEVROLET EXPRESS 2500
- 2010 to 2024 CHEVROLET EXPRESS 3500
- 2026 CHEVROLET EXPRESS 3500
- 2012 CHEVROLET EXPRESS 4500
- 2014 CHEVROLET EXPRESS 4500
- 2016 CHEVROLET EXPRESS 4500
- 2026 CHEVROLET EXPRESS 4500
- 2010 to 2024 CHEVROLET EXPRESS CUTAWAY VAN
- 2010 to 2011 CHEVROLET G VAN BUS
- 2018 CHEVROLET G4500
- 2010 to 2011 CHEVROLET HHR
- 2010 to 2020 CHEVROLET IMPALA
- 2016 to 2019 CHEVROLET LOW CAB FORWARD 3500
- 2026 CHEVROLET LOW CAB FORWARD 3500
- 2016 to 2017 CHEVROLET LOW CAB FORWARD 4500
- 2016 to 2017 CHEVROLET LOW CAB FORWARD 5500
- 2026 CHEVROLET LOW CAB FORWARD 5500
- 2018 CHEVROLET LOW CAB FORWARD 6500
- 2026 CHEVROLET LOW CAB FORWARD 6500
- 2025 CHEVROLET LOW CAB FORWARD N SERIES
- 2014 CHEVROLET LUMINA
- 2010 to 2025 CHEVROLET MALIBU
- 2013 to 2014 CHEVROLET MALIBU ECO
- 2010 CHEVROLET MALIBU HYBRID
- 2016 to 2019 CHEVROLET MALIBU HYBRID
- 2010 CHEVROLET MONTE CARLO
- 2010 to 2026 CHEVROLET SILVERADO 1500
- 2010 to 2026 CHEVROLET SILVERADO 2500
- 2010 to 2026 CHEVROLET SILVERADO 3500
- 2019 to 2026 CHEVROLET SILVERADO 4500
- 2019 to 2021 CHEVROLET SILVERADO 5500
- 2023 to 2026 CHEVROLET SILVERADO 5500
- 2019 to 2026 CHEVROLET SILVERADO 6500
- 2024 to 2026 CHEVROLET SILVERADO EV
- 2018 CHEVROLET SILVERADO LT
- 2011 CHEVROLET SONIC
- 2012 to 2020 CHEVROLET SONIC
- 2013 to 2022 CHEVROLET SPARK
- 2014 to 2017 CHEVROLET SPARK EV
- 2010 to 2024 CHEVROLET SUBURBAN
- 2010 to 2011 CHEVROLET SUBURBAN 1500
- 2021 to 2026 CHEVROLET SUBURBAN 1500
- 2010 to 2011 CHEVROLET SUBURBAN 2500
- 2010 CHEVROLET T SERIES
- 2010 to 2026 CHEVROLET TAHOE
- 2010 to 2013 CHEVROLET TAHOE HYBRID
- 2010 to 2016 CHEVROLET TAHOE POLICE PURSUIT
- 2013 to 2015 CHEVROLET TRAILBLAZER
- 2017 to 2020 CHEVROLET TRAILBLAZER
- 2021 to 2026 CHEVROLET TRAILBLAZER
- 2010 to 2026 CHEVROLET TRAVERSE
- 2013 to 2026 CHEVROLET TRAX
- 2011 to 2019 CHEVROLET VOLT
- 2010 CHEVROLET W\-SERIES
- 2010 CHEVROLET W3500
- 2010 CHEVROLET W4500
- 2010 CHEVROLET W5500
- 2024 GMC 3500HD
- 2010 to 2026 GMC ACADIA
- 2010 to 2013 GMC CANYON
- 2015 to 2026 GMC CANYON
- 2010 to 2013 GMC ENVOY
- 2010 to 2011 GMC G VAN BUS
- 2017 to 2018 GMC G3500
- 2022 to 2026 GMC HUMMER EV PICKUP
- 2024 to 2026 GMC HUMMER EV SUV
- 2010 to 2026 GMC SAVANA
- 2010 to 2017 GMC SAVANA 1500
- 2010 to 2018 GMC SAVANA 2500
- 2023 GMC SAVANA 2500
- 2026 GMC SAVANA 2500
- 2010 to 2018 GMC SAVANA 3500
- 2023 GMC SAVANA 3500
- 2025 to 2026 GMC SAVANA 3500
- 2026 GMC SAVANA 4500
- 2013 to 2024 GMC SAVANA CUTAWAY VAN
- 2010 to 2026 GMC SIERRA 1500
- 2010 to 2026 GMC SIERRA 2500
- 2010 to 2026 GMC SIERRA 3500

## Recalls for the same vehicles and component

- [2026374](/recalls/tc/2026374.md), 2026-07-30: Wheels
- [26V496000](/recalls/nhtsa/26V496000.md), 2026-07-30: WHEELS; TIRES:TEMPORARY/EMERGENCY SPARE TIRE
- [2026232](/recalls/tc/2026232.md), 2026-05-14: Wheels
- [26V304000](/recalls/nhtsa/26V304000.md), 2026-05-14: WHEELS:HUB

## Other bulletins for the same vehicles and component

- [N252536751\-01](/bulletins/11031388.md), 2026-04-20, Warranty extension: WHEELS. Special Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 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 April 17, 2026, 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 April 17, 2026, must be submitted to the Service Contract provider. 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. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to update the control valve body spacer plate, actuator feed valve and spring in the valve body. The repairs will be made at no charge to the customer.
- [N252536751](/bulletins/11031380.md), 2026-04-17, Warranty extension: WHEELS. Special Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to update the control valve body spacer plate, actuator feed valve and spring in the valve body. The repairs will be made at no charge to the customer.
- [N252494250](/bulletins/11022155.md), 2025-08-26, Service campaign: UNKNOWN OR OTHER; WHEELS. Certain vehicles may be missing relevant information regarding the use of snow chains, snow socks, or other traction devices from the Owner’s Manual. Vehicle owners will be mailed an owner’s manual insert to include with other important printed material in the glovebox. For vehicles currently on dealer lots, dealers will include the insert prior to delivery.
- [25\-NA\-097](/bulletins/11019753.md), 2025-06-26, Service bulletin: WHEELS; ELECTRICAL SYSTEM. This service Bulletin provides information on the correction of that one or more Tire Pressure Monitor Sensor \(TPMS\) showing dashes after recent dealer service or after picking up a newly purchased vehicle.
- [22\-NA\-183](/bulletins/11017449.md), 2025-05-01, Service bulletin: WHEELS. This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds.
- [08\-03\-10\-006I](/bulletins/11017016.md), 2025-04-15, Service bulletin: WHEELS. This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
- [25\-NA\-051](/bulletins/11016964.md), 2025-04-14, Service bulletin: WHEELS; ELECTRICAL SYSTEM. This bulletin provides a procedure to check the TPMS part numbers and replace them if they are the cause of the customers concern.
- [05\-03\-07\-009L](/bulletins/11015409.md), 2025-03-08, Service bulletin: SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- [25\-NA\-035](/bulletins/11014604.md), 2025-02-28, Service bulletin: ELECTRICAL SYSTEM; WHEELS. This service bulletin provides information on 2024 Silverado RST Sidewinder Available \(enabling all four wheels to turn in same direction \(diagonal\).
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.

JSON: [/v1/bulletins/11026104](/v1/bulletins/11026104)

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