HLDF-U300044
VOLVO
HLDF-U300044 - Control Module. System Internal Failures. Data 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 checks its internal components, and the fault code is set when any of them does not work. The fault concerns the data memory in the module, and the cause is a damaged module. The display then does not fold up.
Possible causes
- Damaged front display module (HLDF)
What you can do
- 1Clear the fault code and start the car to see whether it returns
- 2Check that the fuses are intact
- 3If the fault code returns or is permanent, 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.