P1400
Sub-Throttle Position Sensor
2019-2024 Toyota RAV4 2.5L I4
Moderate SeverityPowertrain
Description
The ECM detected a malfunction in the sub-throttle position sensor circuit.
Symptoms
- CEL
- Poor throttle response
- Reduced power
- Idle fluctuation
Common Causes
- Faulty sub-TPS
- Damaged wiring
- Throttle body contamination
- Faulty ECM
Diagnostic Steps
- Test sensor voltage
- Inspect connector
- Clean throttle body
- Compare to specs
Repair Notes
Replace sub-throttle sensor or clean throttle body.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1400 on Other Vehicles
Common Questions
What does code P1400 mean on a 2019-2024 Toyota RAV4?
P1400 stands for "Sub-Throttle Position Sensor". The ECM detected a malfunction in the sub-throttle position sensor circuit.
What are the symptoms of P1400 on a Toyota RAV4?
Common symptoms of P1400 include: CEL, Poor throttle response, Reduced power, Idle fluctuation.
What causes P1400 on a 2019-2024 Toyota RAV4?
Common causes of P1400 include: Faulty sub-TPS, Damaged wiring, Throttle body contamination, Faulty ECM.