P0122 2007 Scion xB Code - Throttle Position Sensor/Switch 'A' Circuit Low Input
Quick Answer
The Throttle Pedal Position (TPP) 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
- P0122 2007 Scion xB indicates Throttle Position Sensor/Switch 'A' Circuit Low 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 P0122 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 P0122 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 P0122 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 P0122 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.
Need more information about the P0122 2007 Scion xB code?
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Frequently Asked Questions about P0122 2007 Scion xB Code
1. What are the common symptoms of OBDII code P0122 on a 2007 Scion xB?
- Common symptoms include poor acceleration, rough idling, stalling, reduced fuel efficiency, and the vehicle going into "limp mode."
2. What causes the Throttle Position Sensor/Switch 'A' Circuit Low Input code (P0122) on a 2007 Scion xB?
- The most common causes of P0122 are a faulty throttle position sensor, damaged wiring or connectors, a dirty throttle body, or issues with the engine control module.
3. How can I diagnose the Throttle Position Sensor/Switch 'A' Circuit Low Input code on my 2007 Scion xB?
- Diagnosing P0122 involves using an OBDII scanner to retrieve the code, checking the throttle position sensor's voltage output, inspecting the wiring for any damage, and testing the throttle body.
4. Can I drive my 2007 Scion xB with OBDII code P0122?
- It is not recommended to drive with P0122 as it can lead to further damage to the engine or other components. It's best to address the issue promptly.
5. Can I repair OBDII code P0122 on my 2007 Scion xB myself?
- Depending on your mechanical skills, you may be able to address P0122 yourself by replacing the throttle position sensor, checking the wiring connections, and cleaning the throttle body. If unsure, consult a professional mechanic.
6. Will resetting the OBDII code P0122 on 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 P0122 is not fixed, the code is likely to reappear.
7. How much does it typically cost to repair OBDII code P0122 on a 2007 Scion xB?
- The cost of repairing P0122 can vary depending on the cause of the issue. Replacing a throttle position sensor can range from $100 to $300, while addressing wiring or other issues may increase the cost.
8. What are the long-term effects of ignoring OBDII code P0122 on a 2007 Scion xB?
- Ignoring P0122 can lead to poor engine performance, decreased fuel efficiency, potential damage to other engine components, and safety concerns due to erratic acceleration or stalling.
9. Is OBDII code P0122 a common issue in 2007 Scion xB vehicles?
- Yes, P0122 is a relatively common issue in 2007 Scion xB models, particularly as the vehicle ages and the throttle position sensor wears out.
10. How frequently should I check the throttle position sensor on my 2007 Scion xB to prevent OBDII code P0122?
- It is recommended to check the throttle position sensor during routine maintenance or whenever you notice any symptoms of poor acceleration or idling to prevent the occurrence of P0122.
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