Land Rover Defender 2020–2024 — technical service bulletin
Bulletin SFCC_DEC2023_37 · NHTSA communication 10248411 · issued Dec 20, 2023
Technical service bulletin
communication type
Structure
component
2020–2024
model years
5
vehicle entries
Official summary
JLR Retailers have reported visible corrosion around the outlet of the exhaust tailpipe prior to PDI
Vehicles covered
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.