Land Rover Defender 2018–2023 — technical service bulletin

Bulletin SSM75918 · NHTSA communication 10231463 · issued Jan 17, 2023

Technical service bulletin

communication type

Engine and Engine Cooling

component

2018–2023

model years

vehicle entries

Official summary

Check engine (amber) and poor cabin heating

Vehicles covered

2019 Land Rover Defender
2020 Land Rover Defender
2021 Land Rover Defender
2022 Land Rover Defender
2023 Land Rover Defender
2018 Land Rover Discovery
2019 Land Rover Discovery
2020 Land Rover Discovery
2021 Land Rover Discovery
2022 Land Rover Discovery
2023 Land Rover Discovery
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
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
2023 Land Rover Range Rover
2018 Land Rover Range Rover Evoque
2019 Land Rover Range Rover Evoque
2020 Land Rover Range Rover Evoque
2021 Land Rover Range Rover Evoque
2022 Land Rover Range Rover Evoque
2023 Land Rover Range Rover Evoque
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
2023 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.