Back to 2010 Mazda Mazda3

2010 MAZDA MAZDA3

2.5L I4FWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor479Torque3805Fluid6DTC889Battery0Maintenance0Recalls3
P0500moderate severityPowertrain

Vehicle Speed Sensor A

on 2010 Mazda Mazda3 2.5L I4 · FWD

What this code means

Malfunction in the vehicle speed sensor (VSS) circuit.

Symptoms

  • Check Engine Light
  • Speedometer not working
  • Erratic shifting
  • Cruise control inoperative
  • ABS light on

Common causes

  • Faulty VSS
  • Wiring damage
  • Tone ring damage
  • PCM issue
  • Instrument cluster issue

Diagnostic steps

  1. Test VSS output signal
  2. Inspect wiring
  3. Check tone ring
  4. Monitor speed signal with scan tool

Repair notes

Replace VSS. Check transmission output shaft sensor on automatic trans vehicles.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →