Chevrolet Blazer EV 2011–2026 — technical service bulletin
Bulletin PIT6247B · NHTSA communication 11032577 · issued May 4, 2026
Technical service bulletin
communication type
Unknown / Other
component
2011–2026
model years
57
vehicle entries
Official summary
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
Vehicles covered
- 2024 Chevrolet Blazer EV
- 2025 Chevrolet Blazer EV
- 2026 Chevrolet Blazer EV
- 2012 Chevrolet Caprice Police Pursuit
- 2013 Chevrolet Caprice Police Pursuit
- 2014 Chevrolet Caprice Police Pursuit
- 2015 Chevrolet Caprice Police Pursuit
- 2016 Chevrolet Caprice Police Pursuit
- 2017 Chevrolet Caprice Police Pursuit
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2015 Chevrolet Express
- 2016 Chevrolet Express
- 2017 Chevrolet Express
- 2018 Chevrolet Express
- 2019 Chevrolet Express
- 2011 Chevrolet Impala
- 2012 Chevrolet Impala
- 2013 Chevrolet Impala
- 2018 Chevrolet Impala
- 2019 Chevrolet Impala
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2026 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 2500
- 2011 Chevrolet Suburban
- 2012 Chevrolet Suburban
- 2013 Chevrolet Suburban
- 2014 Chevrolet Suburban
- 2011 Chevrolet Tahoe
- 2012 Chevrolet Tahoe
- 2013 Chevrolet Tahoe
- 2014 Chevrolet Tahoe
- 2015 Chevrolet Tahoe
- 2016 Chevrolet Tahoe
- 2017 Chevrolet Tahoe
- 2018 Chevrolet Tahoe
- 2019 Chevrolet Tahoe
- 2020 Chevrolet Tahoe
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2023 Chevrolet Tahoe
- 2024 Chevrolet Tahoe
- 2025 Chevrolet Tahoe
- 2026 Chevrolet Tahoe
- 2011 Chevrolet Tahoe Hybrid
- 2012 Chevrolet Tahoe Hybrid
- 2013 Chevrolet Tahoe Hybrid
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.