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C1243high severityChassis

Abnormal Wheel Speed Sensor (Frequency Range)

on 2013 Subaru Tribeca 3.6L H6 · AWD

What this code means

A wheel speed sensor signal is outside the expected frequency range. Related to OBD wheel speed sensor performance codes.

Symptoms

  • ABS warning light on
  • VDC light on
  • Erratic speed readings

Common causes

  • Damaged tone ring
  • Excessive sensor air gap
  • Faulty wheel speed sensor
  • Metal debris on sensor

Diagnostic steps

  1. Scan wheel speed live data
  2. Inspect tone rings for damage
  3. Check sensor air gap
  4. Test sensor signal output

Other Chassis codes on this vehicle

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