BWD/NIEHOFF
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Symptoms of a Failing Speed Sensor vs. ABS Wheel Speed Sensor

Some vehicles may use the same part for both a Speed Sensor and an ABS Wheel Speed Sensor, while others may use two different parts. These parts serve different systems of the vehicle and may fail for different reasons - it is important to replace the proper sensor to fix the underlying issue.

SPEED SENSOR

The Speed Sensor(s) measure rotational speed of the transmission shafts. Common failure symptoms include:

  • Erratic Speedometer Behavior
  • Harsh or Improper Shifting
  • Loss of Cruise Control
  • Surging or Hesitation
  • Check Engine Light On
Located in 'Electrical'
ABS WHEEL SPEED SENSOR

The Anti-Lock Brake System (ABS) sensor monitors wheel speed. Common failure symptoms include:

  • ABS Light On
  • Brake Pulsing
  • No / Erratic Traction or Stability Control
  • No / Erratic ABS Operation
  • Braking Without Pedal Contact
Located in 'Brake & Wheel Hub'