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OBD-II Code Toyota

P1400 — Toyota — Sub-Throttle Position Sensor

The sub throttle position sensor is malfunctioning, affecting electronic throttle control.

Brand Toyota
System Engine
Severity Medium
Safe to drive? Yes, with caution
Advanced scanner Not necessarily

What does code P1400 mean on Toyota vehicles?

The sub throttle position sensor is malfunctioning, affecting electronic throttle control.

Common symptoms

  • Limp mode
  • reduced throttle response

Possible causes

  • Faulty sub-TP sensor
  • wiring issue

Initial recommendation

Test sub-throttle position sensor and inspect wiring.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine Toyota code P1400 with your vehicle's actual symptoms for more complete diagnostic guidance.

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