P0120 2007 Scion xB Code - Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction
Quick Answer
The throttle position sensor (TPS) responds to the accelerator pedal movement. Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor circuit is open or shorted, Throttle Position Sensor poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0120 2007 Scion xB indicates Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction.
- Common causes
- Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor circuit is open or shorted, Throttle Position Sensor poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0120 2007 Scion xB Description
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.
What are the Possible Causes of the DTC P0120 2007 Scion xB?
- Faulty Throttle Position Sensor
- Throttle Position Sensor circuit is open or shorted
- Throttle Position Sensor poor electrical connection
How to Fix the DTC P0120 2007 Scion xB?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0120 2007 Scion xB code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0120 2007 Scion xB Code
1. What are the common symptoms of OBDII code P0120 in a 2007 Scion xB?
The common symptoms of code P0120 include poor acceleration, stalling, rough idle, and the vehicle going into "limp mode" where it operates at reduced power.
2. What causes the Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction in a 2007 Scion xB?
The P0120 code in a 2007 Scion xB is usually caused by a faulty throttle position sensor, a damaged wiring harness, or a poor electrical connection to the sensor.
3. How can I diagnose the Throttle Pedal Position Sensor issue in my 2007 Scion xB?
To diagnose the issue, you can use an OBDII scanner to read the error code, visually inspect the wiring harness for any damage, and test the throttle position sensor with a multimeter to check for proper voltage output.
4. Can I drive my 2007 Scion xB with OBDII code P0120?
It is not recommended to drive your vehicle with the P0120 code as it can lead to unsafe driving conditions and further damage to the engine. It's best to address the issue promptly.
5. How can I repair the Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction in my 2007 Scion xB?
Repairing the issue involves replacing the faulty throttle position sensor, repairing any damaged wiring, and ensuring a secure electrical connection. Clearing the error code with an OBDII scanner is also necessary.
6. Will resetting the OBDII code P0120 in my 2007 Scion xB make it go away permanently?
Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the P0120 code is not fixed, the code will likely reappear after driving the vehicle for a certain distance.
7. How much does it typically cost to repair OBDII code P0120 in a 2007 Scion xB?
The cost of repairing the P0120 code can vary depending on the extent of the issue and the labor rates in your area. Typically, the cost ranges from $100 to $300 for parts and labor.
8. Can a DIY enthusiast fix the Throttle Pedal Position Sensor issue in a 2007 Scion xB?
If you have some experience working on cars and the necessary tools, you may be able to replace the throttle position sensor yourself. However, it's recommended to consult a professional if you're unsure.
9. Will driving with OBDII code P0120 affect my 2007 Scion xB's fuel efficiency?
Driving with the P0120 code can negatively impact your vehicle's fuel efficiency due to poor acceleration, rough idling, and potential engine misfires. It's best to address the issue promptly to maintain optimal fuel economy.
10. Are there any preventive measures to avoid OBDII code P0120 in a 2007 Scion xB?
Regularly maintaining your vehicle, checking for any signs of wear or damage in the throttle position sensor and wiring harness, and addressing any issues promptly can help prevent the occurrence of code P0120 in your Scion xB.
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