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2021 TESLA MODEL S
Plaid Tri Motor AWD•AWD•AUTOMATIC•ev
24 active safety recalls on this vehicle — view recalls
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Repairs0Labor322Torque4801Fluid5DTC1127Battery1Maintenance0Recalls24
P2103critical severityPowertrain

Throttle Actuator Control Motor Circuit High

on 2021 Tesla Model S Plaid Tri Motor AWD · AWD

What this code means

High voltage on the throttle motor circuit indicates a short to power or open ground.

Symptoms

  • Limp mode
  • Check engine light
  • Throttle stuck partially open

Common causes

  • Short to voltage
  • Open ground circuit
  • Failed motor
  • ECM driver issue

Diagnostic steps

  1. Check for voltage at motor with key off
  2. Test ground circuit continuity
  3. Inspect wiring

Repair notes

Repair wiring fault or replace throttle body assembly.

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