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C1233high severityChassis

Abnormal Front Right ABS Sensor (Open Circuit)

on 2020 Subaru Legacy 2.5L H4 · AWD

What this code means

An open circuit was detected in the front right ABS wheel speed sensor. Related to OBD code C0035/P0620 range for wheel speed sensors.

Symptoms

  • ABS warning light on
  • VDC light on
  • No wheel speed signal front right

Common causes

  • Faulty front right ABS sensor
  • Broken sensor wiring
  • Corroded connector
  • Damaged tone ring

Diagnostic steps

  1. Scan for wheel speed codes
  2. Test front right sensor resistance
  3. Inspect sensor wiring for open
  4. Check tone ring condition

Other Chassis codes on this vehicle

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