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 wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
U0404Invalid Data Received From Gear Shift Control Module "A"
U0404Invalid Data Received From Gear Shift Control Module "A"
Manufacturer communications
9Original wording in English
LAND ROVER
A customer may be unable to select a transmission gear and/or start the engine. A 'Gearbox fault' message may also be displayed on the Instrument Cluster. Switching the ignition 'OFF' and then 'ON' clears the fault. Upon further diagnosis, a Technician may find DTC (Diagnostic Trouble Code) U0402-92 stored in the Transmission Co…
LAND ROVER
A customer may be unable to select a transmission gear and/or start the engine. A 'Gearbox fault' message may also be displayed on the Instrument Cluster (IC). Switching the ignition 'OFF' and then 'ON' clears the fault. Upon further diagnosis, a Technician may find Diagnostic Trouble Code (DTC) U0402-09 stored in the Transmissi…
DODGE, JEEP
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Cod…
DODGE, JEEP
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Cod…
Check vehicle applicability
9A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Audi | A8 ↗ | 2013 |
| Audi | A8 ↗ | 2012 |
| Audi | A8 ↗ | 2011 |
| Audi | A8 ↗ | 2010 |
| Dodge | DURANGO ↗ | 2016 |
| Jaguar | F-TYPE ↗ | 2014 |
| Jeep | GRAND CHEROKEE ↗ | 2016 |
| Land Rover | RANGE ROVER SPORT ↗ | 2018 |
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.