What causes P1400 on a Toyota?

Failed sub-throttle position sensor Open or shorted sub-throttle circuit Carbon-bound sub-throttle plate Corroded connector ECM input fault

How do I fix P1400 on a Toyota?

Test sub-throttle sensor output through its range Clean carbon from the sub-throttle bore Check circuit wiring Inspect the connector Replace the sensor after circuit proof

P1400 Sub-Throttle Position Sensor Malfunction

Q: What does P1400 mean on a Toyota?

P1400 — Sub-Throttle Position Sensor Malfunction. Applies to Camry, Corolla with sub-throttle systems.

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: Camry, Corolla with sub-throttle systems

What does P1400 mean on a Toyota?

P1400 — Sub-Throttle Position Sensor Malfunction. This Toyota-enhanced code applies to Camry, Corolla with sub-throttle systems.

Common causes of P1400

Failed sub-throttle position sensor
Open or shorted sub-throttle circuit
Carbon-bound sub-throttle plate
Corroded connector
ECM input fault

How to fix P1400

Test sub-throttle sensor output through its range
Clean carbon from the sub-throttle bore
Check circuit wiring
Inspect the connector
Replace the sensor after circuit proof