Land Rover Defender 2013–2023 — technical service bulletin

Bulletin SSM75825ATT · NHTSA communication 10222693 · issued Sep 28, 2022

Technical service bulletin

communication type

Electrical System

component

2013–2023

model years

vehicle entries

Official summary

Mhev dc dc converter squeaking noise from inside the cabin

Vehicles covered

2020 Land Rover Defender
2021 Land Rover Defender
2022 Land Rover Defender
2023 Land Rover Defender
2016 Land Rover Discovery
2017 Land Rover Discovery
2018 Land Rover Discovery
2019 Land Rover Discovery
2020 Land Rover Discovery
2021 Land Rover Discovery
2022 Land Rover Discovery
2023 Land Rover Discovery
2015 Land Rover Discovery Sport
2016 Land Rover Discovery Sport
2017 Land Rover Discovery Sport
2018 Land Rover Discovery Sport
2019 Land Rover Discovery Sport
2020 Land Rover Discovery Sport
2021 Land Rover Discovery Sport
2022 Land Rover Discovery Sport
2023 Land Rover Discovery Sport
2013 Land Rover Range Rover
2014 Land Rover Range Rover
2015 Land Rover Range Rover
2016 Land Rover Range Rover
2017 Land Rover Range Rover
2018 Land Rover Range Rover
2019 Land Rover Range Rover
2020 Land Rover Range Rover
2021 Land Rover Range Rover
2022 Land Rover Range Rover
2014 Land Rover Range Rover Sport
2015 Land Rover Range Rover Sport
2016 Land Rover Range Rover Sport
2017 Land Rover Range Rover Sport
2018 Land Rover Range Rover Sport
2019 Land Rover Range Rover Sport
2020 Land Rover Range Rover Sport
2021 Land Rover Range Rover Sport
2022 Land Rover Range Rover Sport
2018 Land Rover Range Rover Velar
2019 Land Rover Range Rover Velar
2020 Land Rover Range Rover Velar
2021 Land Rover Range Rover Velar
2022 Land Rover Range Rover Velar
2023 Land Rover Range Rover Velar

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.