Cadillac Escalade IQ 2022–2025 — technical service bulletin
Bulletin 22-NA-215 · NHTSA communication 11014376 · issued Feb 11, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2022–2025
model years
21
vehicle entries
Official summary
This warranty administration bulletin provides policy information for chargers that are covered under the terms of a 3-year Limited Parts Warranty from the date of purchase.
Vehicles covered
- 2025 Cadillac Escalade IQ
- 2023 Cadillac Lyriq
- 2024 Cadillac Lyriq
- 2025 Cadillac Lyriq
- 2025 Cadillac Optiq
- 2024 Chevrolet Blazer EV
- 2025 Chevrolet Blazer EV
- 2022 Chevrolet Bolt Euv
- 2023 Chevrolet Bolt Euv
- 2022 Chevrolet Bolt EV
- 2023 Chevrolet Bolt EV
- 2024 Chevrolet Equinox EV
- 2025 Chevrolet Equinox EV
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2022 GMC Hummer EV Pickup
- 2023 GMC Hummer EV Pickup
- 2024 GMC Hummer EV Pickup
- 2025 GMC Hummer EV Pickup
- 2024 GMC Sierra EV
- 2025 GMC Sierra EV
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.