VOLVO
IHU-B11A349 - Gyroscope. System Internal Failures. Internal electronic failure
System
Infotainment Head Unit (IHU)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The head unit (IHU) monitors the internal gyroscope's signal. The code is stored when the gyro readings do not match how the car is moving, or when the voltage is too high.
Possible causes
- The infotainment head unit (IHU) is damaged
What you can do
- 1Clear the code and check whether it returns
- 2Check that the fuses are intact
- 3If you have a diagnostic tool: read the gyro value in live data while the car is standing still and while it is moving, and check that it matches the movement
- 4If the fault remains, have a workshop check and, if needed, replace the infotainment head unit
Symptoms you may notice3
- Navigation does not work
- The navigation system gives incorrect directions
- Information updates are slow or do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.