Land Rover Range Rover Velar 2018–2019 — technical service bulletin
Bulletin SSM74180 · NHTSA communication 10152035 · issued Nov 29, 2018
Technical service bulletin
communication type
Power Train
component
2018–2019
model years
2
vehicle entries
Official summary
Customer reports "Traction Reduced - 2 Wheel Drive Only? warning message displayed on the Instrument Cluster (IC). One or more of the DTC?s P1889-18, P1889-19, P1889-1F, P188E-11, P188E-12 and P188E-13 will be stored in the TCCM (Transfer Case Control Module).
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.