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Service bulletin SSM73628

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10189250
Published by NHTSA2021-03-22
Manufacturer's numberSSM73628
Manufacturer's date2017-11-09
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

Issue: JLR are currently investigating 'Traction Reduced' message displayed on the Instrument Cluster (IC) message center and DTC U2000-4B logged within the Rear Differential Control Module (RDCM).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Transmission and driveline

Trouble codes named

U2000

Vehicles listed
LAND ROVER DISCOVERY2017, 2018
LAND ROVER RANGE ROVER2013, 2014, 2015, 2016, 2017
LAND ROVER RANGE ROVER SPORT2014, 2015, 2016, 2017
LAND ROVER RANGE ROVER VELAR2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V3930002023-06-01. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; LATCHES/LOCKS/LINKAGES:DOORS:LATCH
20V1430002020-03-12. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING
18V3370002018-05-23. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE
17V6790002017-10-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
14V1630002014-03-31. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:TURN SIGNAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N881 Discovery 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 18SEP262026-10-07. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 21AUG262026-09-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Discovery 21AUG262026-09-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 17JUL262026-08-05. Other. Powertrain Control Module (PCM) Software Update
N881 Discovery 17JUL262026-08-05. Other. Powertrain Control Module (PCM) Software Update
N881 Range Rover 16JUN262026-07-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off
N881 Discovery 16JUN262026-07-08. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Range Rover 15MAY262026-06-04. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N881 Discovery 15MAY262026-06-04. Other. Malfunction Indicator Lamp (MIL) may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.