VOLVO
SAS-0046 - Steering wheel angle signal B. No signal. Permanent 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?
Steering wheel angle signal B is missing, and the fault is permanent: it is present now. The cause may be oxide or contact resistance at a connector in the sensor control module or steering wheel module, a break in the signal wires, or an internal fault in the control module.
Possible causes
- Oxide or contact resistance at a connector in the sensor control module or steering wheel module
- Break in the signal wires
- Internal fault in the sensor control module
What you can do
- 1Read and note the code, clear it and road test the car to see whether it returns straight away
- 2With diagnostic equipment, read signal B in live data and turn the wheel to both end stops; the status should switch between ON and OFF
- 3Check the connectors at the sensor control module and the steering wheel module for oxide and contact resistance
- 4If the connectors are sound and the wiring is intact, a workshop may need to replace the steering wheel angle sensor
- 5Stability control is off while the fault is present, so have a workshop repair it promptly
Symptoms you may notice3
- Anti-spin warning lamp on
- Stabilising function absent
- Anti-spin does not work
What the fault can affect2
- Stability function disconnected
- Anti-spin function blocked
General guidance for car owners. Diagnosis on the car can point to a different cause.