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DTC › ABS E ABS E / 0021

Wheel Sensor Front Right

â–¶ How to fix

- Check front axle right wheel speed sensor and its fixing. In case the distance between pole-wheel and sensor (air gap) is too wide, push the wheel speed sensor back to the pole wheel to adjust the air gap - Check wheel speed sensor for correct voltage output (sufficient voltage output?) - Replace the ABS-ECU, if sensor and air gap are correct (this is the last thing to do !) Remark: A repair can be considered successful only when the vehicle is driven again in order to detect possible dynamic failure.

What you'll see

No driver-visible symptom recorded.

System reaction

ABS wheel disabled ASR, ESC/RSC disabled Hillhold Function disabled

Diagnostic depth

Detection

data valid, but below normal operation range (most severe level)

Possible cause

Wheel Speed Sensor Air Gap Detection (FA right)

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