P2105critical severityPowertrain
Throttle Actuator Control System Forced Engine Shutdown
on 2021 Nissan Leaf Electric 40kWh · FWD
What this code means
ECM shut down the engine due to a critical electronic throttle control fault.
Symptoms
- Engine stalls and won't restart
- Check engine light
- Multiple warning lights
Common causes
- Severe throttle control fault
- APP sensor failure
- Critical wiring damage
- ECM hardware failure
Diagnostic steps
- Check for other DTCs
- Inspect APP sensors
- Check throttle body
- Verify ECM power and grounds
Repair notes
Diagnose root cause immediately. This indicates a safety-critical throttle system failure.
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P0118
ECT Sensor 1 Circuit High Input
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P0125
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