What does fault code SAS-C009005 mean?

Diagnostic fault code details for SAS-C009005 (Volvo XC90 (2003–), Volvo XC90 (2003–), Volvo XC90 (2003–)). Repair service at OBD Tuning.

VOLVO

SAS-C009005 - Steering Angle Sensor (SAS) - RAM check-sum fault. 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 (5)

What does this fault code mean?

The checksum of the working memory (RAM) in the steering wheel angle sensor control module does not match, so the module has registered an internal fault. The stability function is blocked while the fault is present.

Possible causes

Fault inside the sensor control module

What you can do

1Read and note the code, clear it and road test 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, read the status counters: many incorrect driving cycles point to a recurring fault, few to a temporary one
4If the code returns, have a workshop replace the steering wheel module (SWM)
5The stability function stays blocked while the fault is present, so have a workshop repair it promptly

Symptoms you may notice3

Anti-spin warning lamp is lit
General warning lamp is lit
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.