P2103critical severityPowertrain
Throttle Actuator Control Motor Circuit High
on 2020 Tesla Model 3 Long Range Dual 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
- Check for voltage at motor with key off
- Test ground circuit continuity
- Inspect wiring
Repair notes
Repair wiring fault or replace throttle body assembly.
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