Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Accelerometer, Signal
The value indicates the accelerometer signal, i. e. the longitudinal incline of the car. The signal from the accelerometer, which is integrated in the body sensor cluster stability sensor (BSC), transmits information to the brake control module (BCM) about the longitudinal acceleration of the car. A positive value indicates acceleration, i. e. the front of the car is raised. A negative value indicates deceleration, i. e. the front of the car is lowered.
Measurement range: -20 to +20 m/s2
HINT: The value can be affected by changing the longitudinal incline of the car, for example by raising or lower the front or rear end of the car.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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