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2020 TESLA MODEL 3
Standard Range Plus Single Motor RWD•RWD•AUTOMATIC•ev
21 active safety recalls on this vehicle — view recalls
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Repairs0Labor315Torque3787Fluid5DTC726Battery1Maintenance0Recalls21
P3022high severityPowertrain

CVT Secondary Pulley Speed Sensor Circuit

on 2020 Tesla Model 3 Standard Range Plus Single Motor RWD · RWD

What this code means

The secondary (output) pulley speed sensor in the CVT is malfunctioning.

Symptoms

  • Check Engine Light
  • Incorrect speed display
  • Transmission ratio errors
  • Harsh ratio changes
  • Limp mode
  • No speedometer reading

Common causes

  • Faulty secondary speed sensor
  • Damaged wiring
  • Tone ring contamination
  • Corroded connector
  • Sensor air gap incorrect

Diagnostic steps

  1. Read secondary pulley speed PID
  2. Test sensor resistance
  3. Inspect wiring and connector
  4. Check tone ring condition
  5. Compare to vehicle speed sensor

Repair notes

Replace secondary pulley speed 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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