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2019 MCLAREN MCLAREN 600LT SPIDER
3.8L V8 Twin Turbo•RWD•AUTOMATIC•gas•turbo
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor480Torque3355Fluid7DTC1063Battery1Maintenance0Recalls2
C0027moderate severityChassis

LR Wheel Speed Sensor Circuit Intermittent

on 2019 McLaren McLaren 600LT Spider 3.8L V8 Twin Turbo · RWD

What this code means

The left rear wheel speed sensor signal is intermittent.

Symptoms

  • Intermittent ABS warning
  • Rear ABS function inconsistent
  • Stability control intermittent fault

Common causes

  • Wiring damaged along rear axle
  • Connector exposed to road spray
  • Sensor loose in mounting boss
  • Broken wire inside insulation

Diagnostic steps

  1. Monitor rear sensor signals during road test
  2. Inspect wiring along rear axle or trailing arm
  3. Check connector seals and pins
  4. Verify sensor retention
  5. Perform wiggle test

Repair notes

Repair damaged wiring. Replace connector seals. Re-secure sensor.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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