P0123 2007 Scion xB Code - Throttle Position Sensor/Switch 'A' Circuit High Input
Quick Answer
The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit 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
- P0123 2007 Scion xB indicates Throttle Position Sensor/Switch 'A' Circuit High Input.
- Common causes
- Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit 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 P0123 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 P0123 2007 Scion xB?
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
- ECM
How to Fix the DTC P0123 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 P0123 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 P0123 2007 Scion xB Code
1. What are common symptoms of OBDII code P0123 in a 2007 Scion xB?
- Common symptoms include issues with acceleration, poor fuel economy, and potential stalling or rough idling.
2. What does the OBDII code P0123 'Throttle Position Sensor/Switch 'A' Circuit High Input' mean for a 2007 Scion xB?
- This code indicates that the throttle position sensor is sending a higher than expected voltage signal to the engine control module.
3. What are some possible causes of OBDII code P0123 in a 2007 Scion xB?
- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, a stuck throttle, or issues with the engine control module.
4. How can I diagnose the cause of OBDII code P0123 in my 2007 Scion xB?
- Diagnosing the issue may involve visually inspecting wiring and connectors, testing the throttle position sensor, and using a scan tool to monitor sensor readings.
5. Can I drive my 2007 Scion xB with OBDII code P0123?
- It is not recommended to drive the vehicle with this code present, as it can lead to poor performance, reduced fuel efficiency, and potential safety hazards.
6. How can I repair OBDII code P0123 in a 2007 Scion xB?
- Repair options may include replacing the throttle position sensor, repairing damaged wiring or connectors, cleaning the throttle body, or reprogramming the engine control module.
7. Is it safe to reset the OBDII code P0123 in a 2007 Scion xB without fixing the underlying issue?
- It is not recommended to simply reset the code without addressing the root cause, as the issue may persist and potentially lead to further damage.
8. How much does it typically cost to repair OBDII code P0123 in a 2007 Scion xB?
- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Can a DIY enthusiast fix OBDII code P0123 in a 2007 Scion xB?
- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code themselves, but professional assistance is often recommended.
10. How frequently does OBDII code P0123 occur in 2007 Scion xB vehicles?
- The occurrence of this code can vary, but it is not uncommon in vehicles with higher mileage or those that have not had regular maintenance on the throttle system.
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