Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
8Original wording in English
LAND ROVER
A 'Traction Reduced' warning message may be displayed on the Instrument Cluster and a 'juddering' noise may be heard when the steering is in the full lock position, such as during low-speed maneuvers and parking. Upon further diagnosis, the technician may find DTC (Diagnostic Trouble Code) U2000-4B stored in the Rear Differentia…
LAND ROVER
A 'Traction Reduced' warning message may be displayed on the Instrument Cluster and a 'juddering' noise may be heard when the steering is in the full lock position, such as during low speed maneuvers and parking. Upon further diagnosis, the technician may find Diagnostic Trouble Code (DTC) U2000-4B stored in the Rear Differentia…
FORD, LINCOLN
Some 2016 Edge/MKX vehicles may exhibit an illuminated adaptive/active steering fault message in the instrument panel cluster (IPC) message center with diagnostic trouble codes (DTCs) U3000, C2003, B137F, B1380, U210A, and U2000 stored in the SECM. If these DTCs are present, replace the SECM. Use causal part 3600 and applicable …
LAND ROVER
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).
Check vehicle applicability
16A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | EDGE ↗ | 2016 |
| Land Rover | DISCOVERY ↗ | 2018 |
| Land Rover | DISCOVERY ↗ | 2017 |
| Land Rover | RANGE ROVER ↗ | 2018 |
| Land Rover | RANGE ROVER ↗ | 2017 |
| Land Rover | RANGE ROVER ↗ | 2016 |
| Land Rover | RANGE ROVER ↗ | 2015 |
| Land Rover | RANGE ROVER ↗ | 2014 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Audio Rear Control Unit is Not Responding
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.