VOLVO
HLDF-U300046 - Control Module. System Internal Failures. Calibration / parameter memory failure
System
Unknown System / Manufacturer Specific
Volvo models this fault code applies to
Applies to the following models:
4 modelsS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (4)
What does this fault code mean?
The front display module has a fault in the memory that holds calibration and parameter data. The cause is a damaged module, so the fault lies in the module itself. The display does not fold up.
Possible causes
- Damaged front display module (HLDF)
What you can do
- 1Start the car and read the fault code status
- 2Check that the connector to the display module is secure and free from oxidation
- 3If the fault returns, have a workshop replace the front display module
Symptoms you may notice2
- The front display does not work
- The display will not fold up
General guidance for car owners. Diagnosis on the car can point to a different cause.