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2018 MAZDA MX-5 MIATA

2.0L I4RWDMANUALgas
Repairs0Labor512Torque2472Fluid7DTC917Battery0Maintenance0Recalls0
C0046moderate severityChassis

Left Rear Wheel Speed Signal Erratic

on 2018 Mazda MX-5 Miata 2.0L I4 · RWD

What this code means

Erratic signal from left rear sensor.

Symptoms

  • ABS light on
  • Unexpected ABS activation

Common causes

  • Tone ring crack
  • Debris
  • Bearing wear

Diagnostic steps

  1. Scope signal
  2. Inspect tone ring
  3. Check bearing

Repair notes

Replace sensor or tone ring.

Other Chassis codes on this vehicle

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