P3022high severityPowertrain
CVT Secondary Pulley Speed Sensor Circuit
on 2021 Tesla Model Y Performance Dual Motor AWD · AWD
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
- Read secondary pulley speed PID
- Test sensor resistance
- Inspect wiring and connector
- Check tone ring condition
- Compare to vehicle speed sensor
Repair notes
Replace secondary pulley speed sensor.
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