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2006 MAZDA MPV
3.0L V6•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor486Torque3100Fluid7DTC1789Battery1Maintenance0Recalls2
P1720moderate severityPowertrain

Vehicle Speed Sensor Circuit Malfunction

on 2006 Mazda MPV 3.0L V6 · FWD

What this code means

The PCM has detected a fault or intermittent signal in the vehicle speed sensor circuit. Comparable to P0500 speed input faults.

Symptoms

  • Erratic speedometer
  • Transmission shift issues
  • Cruise control drops out

Common causes

  • Faulty vehicle speed sensor
  • Wiring damage or open
  • Loose or corroded connector
  • Faulty PCM input

Diagnostic steps

  1. Scan for stored codes
  2. Monitor VSS with scan tool
  3. Inspect wiring harness
  4. Test sensor output signal
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Other Powertrain codes on this vehicle

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