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2020 TOYOTA COROLLA
2.0L I4 Hybrid M20A-FXS•FWD•AUTOMATIC•hybrid•M20A-FXS
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor493Torque407Fluid7DTC1933Battery1Maintenance0Recalls3
P0921high severityPowertrain

Gear Shift Forward Actuator Circuit Range/Performance

on 2020 Toyota Corolla 2.0L I4 Hybrid M20A-FXS · FWD

What this code means

The forward shift actuator signal is out of the expected range or performing poorly. The actuator may be sticking or reporting incorrect position data.

Symptoms

  • Slipping forward gears
  • Delayed forward engagement
  • Warning light illuminated

Common causes

  • Sticking forward shift actuator
  • Worn actuator mechanism
  • Wiring resistance or intermittent fault
  • Faulty transmission control module

Diagnostic steps

  1. Scan for related shift codes
  2. Monitor actuator position data live
  3. Inspect actuator movement and wiring
  4. Replace actuator if out of spec
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