Checking The Diagnostic Trouble Codes (DTCS)

NOTE:

If there are any diagnostic trouble codes stored for the steering angle sensor module (SAS), the wheel sensors or the AYC sensor (including yaw sensor and lateral accelerometer), perform troubleshooting of these first.

Are any diagnostic trouble codes stored for the steering angle sensor module (SAS), the wheel sensors or the AYC sensor?

YES
OKAY: Troubleshooting has been completed.
NO
see CHECKING THE DIAGNOSTIC TROUBLE CODES (DTCS)

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

Ignition off
Check whether the AYC sensor is loose or improperly installed as described in: ACTIVE YAW CONTROL SENSOR, REPLACING

Is the AYC sensor properly secured?

YES
see CHECKING THE CONNECTORS
NO
see VERIFICATION