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1998 TOYOTA 4RUNNER
3.4L V6•4WD•AUTOMATIC•gas
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor515Torque3482Fluid10DTC1663Battery1Maintenance0Recalls4
P2809moderate severityPowertrain

Vehicle Speed Sensor 'C' Circuit

on 1998 Toyota 4Runner 3.4L V6 · 4WD

What this code means

The control module detected a fault in the 'C' vehicle speed sensor circuit. Faulty speed data can affect the speedometer, transmission, and other speed-dependent systems.

Symptoms

  • Speedometer reads wrong
  • Transmission shifts poorly
  • Warning lights on dash

Common causes

  • Faulty vehicle speed sensor
  • Wiring or connector fault
  • Poor ground connection
  • Faulty control module

Diagnostic steps

  1. Retrieve related trouble codes
  2. Inspect speed sensor wiring and connector
  3. Test sensor output signal
  4. Replace sensor or repair wiring as needed
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Other Powertrain codes on this vehicle

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