What does fault code SAS-C009305 mean?

Diagnostic fault code details for SAS-C009305 (Volvo XC90 (2003–), Volvo XC90 (2003–), Volvo XC90 (2003–)). Repair service at OBD Tuning.

VOLVO

SAS-C009305 - Steering Angle Sensor (SAS) - task overstepping double control CAN MCU (main ECU). General information. Programming fault

System

Steering Angle Sensor (SAS)

Volvo models this fault code applies to

Applies to the following models:

1 model

XC90 (2003–)

Show models by year and engine (4)

What does this fault code mean?

The double check in the main processor of the sensor control module has overrun the time allowed for one task, which gives an internal fault. Stability control is blocked while the fault is present.

Possible causes

Internal fault in the sensor control module (SAS)

What you can do

1Clear the code and road test the car to see whether it returns
2Turn the wheel fully right, then fully left, set it straight ahead and read the code again
3With diagnostic equipment, follow the status counters; a high number of incorrect driving cycles means a recurring fault
4If the code returns, have a workshop replace the steering wheel module (SWM)
5Stability control 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.