P1700high severityPowertrain
Vehicle Speed Sensor Circuit Fault
on 2012 Toyota Matrix 2.4L I4 · FWD
What this code means
The ECM detected a fault in the secondary VSS used by the transmission.
Symptoms
- CEL
- Poor shifting
- Inaccurate speedometer
- Harsh shifts
- Stuck in gear
Common causes
- Faulty VSS
- Damaged wiring
- Poor connection
- Faulty output shaft sensor
Diagnostic steps
- Test VSS output
- Inspect wiring
- Check connector
- Compare VSS readings
Repair notes
Replace VSS or repair wiring.
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