VOLVO
SAS-004A - Control module Internal fault. Intermittent fault
System
Steering Angle Sensor (SAS)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
4 modelsS80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Show models by year and engine (4)
What does this fault code mean?
The sensor control module registered an internal fault earlier, but has since found that the fault is no longer present. The fault is intermittent, meaning it comes and goes, and stability control is disconnected while it is active.
Possible causes
- Defective control module
What you can do
- 1Read and note the code, clear it and road test to see whether it returns
- 2If the code does not come back, the fault is not present right now, although it was registered earlier
- 3If the code returns, have a workshop check the sensor control module, which may be defective
- 4Stability control is affected while the fault is active, so have a workshop repair it promptly if it returns
Symptoms you may notice2
- Anti-spin warning lamp is on
- Stability function not working
What the fault can affect1
- Stability control disconnected
General guidance for car owners. Diagnosis on the car can point to a different cause.