2008 Volvo S80 BaseFACTORY OEM SERVICE PROCEDURE

Yaw Angle Signal

The value indicates the yaw angle speed, i. e. the speed at which the car turns on flat ground. The signal from the yaw rate sensor, which is integrated in the body sensor cluster stability sensor (BSC), transmits information to the brake control module (BCM) about the rate of yaw (steering direction) of the car in Β°/s. A positive value indicates steering to the left. A negative value indicates steering to the right.

Measurement range: -80 to +80Β°/s

HINT: The value can be influenced by moving the rear or front section rapidly sideways.Β 

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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