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2020 TESLA MODEL 3
Performance Dual Motor AWD•AWD•AUTOMATIC•ev
21 active safety recalls on this vehicle — view recalls
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Repairs0Labor317Torque4746Fluid5DTC1479Battery1Maintenance0Recalls21
P2830high severityPowertrain

Pressure Control Solenoid 'I' Circuit

on 2020 Tesla Model 3 Performance Dual Motor AWD · AWD

What this code means

A general electrical fault has been detected in the pressure control solenoid I circuit. The transmission cannot properly regulate hydraulic pressure for this circuit.

Symptoms

  • Harsh shifting
  • Transmission slipping
  • Warning light illuminated

Common causes

  • Failed pressure control solenoid I
  • Wiring harness fault
  • Poor connector contact
  • Transmission control module issue

Diagnostic steps

  1. Scan for transmission codes
  2. Inspect solenoid I wiring and connector
  3. Test solenoid resistance
  4. Verify TCM output signal
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