VOLVO
SAS-C009781 - Steering Angle Sensor (SAS) invalid total parameter value. Bus or message fault. Faulty data received
System
Steering Angle Sensor (SAS)
Volvo models this fault code applies to
Applies to the following models:
1 modelXC90 (2003–)
What does this fault code mean?
The sensor has received an invalid total parameter value because the car data it gets from the CEM module is wrong. The stability function is blocked while the fault is present.
Possible causes
- Incorrect data from the CEM module
What you can do
- 1Read and note the code, clear it and road test to see whether it returns
- 2With diagnostic equipment, check whether the CEM module has its own fault codes that explain the wrong data
- 3If the code remains, have a workshop fault-trace the central electronic module (CEM)
- 4The stability function stays blocked while the fault is present, so have a workshop repair it promptly
Symptoms you may notice3
- Anti-spin warning lamp on
- General warning lamp on
- Stability function not working
What the fault can affect1
- Stability function blocked
General guidance for car owners. Diagnosis on the car can point to a different cause.