P0122 Subaru 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 Subaru 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 Subaru 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 Subaru?
- Faulty throttle position sensor.
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
How to Fix the DTC P0122 Subaru?
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 Subaru 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 P0122 Subaru Code
1. What are the common symptoms of OBDII code P0122 in a Subaru related to the Throttle Position Sensor/Switch 'A' Circuit Low Input?
- Common symptoms include poor acceleration, stalling, rough idling, and a decrease in fuel efficiency.
2. What are the possible causes of OBDII code P0122 in a Subaru?
- Possible causes include a faulty throttle position sensor, damaged wiring in the throttle position sensor circuit, or a problem with the engine control module.
3. How can I diagnose the cause of OBDII code P0122 in my Subaru?
- You can diagnose the issue by using a scan tool to read the code, checking the throttle position sensor's wiring and connections, and testing the sensor's output voltage.
4. Can I continue driving my Subaru with OBDII code P0122 present?
- It is not recommended to drive your Subaru with this code present, as it can lead to further damage and potential safety issues.
5. How can I repair OBDII code P0122 in my Subaru?
- To repair this code, you may need to replace the throttle position sensor, repair any damaged wiring, or reset the engine control module.
6. Are there any DIY tips for fixing OBDII code P0122 in a Subaru?
- DIY tips include checking for loose connections, cleaning the throttle position sensor, and ensuring proper installation of any replacement parts.
7. Will resetting the OBDII code P0122 in my Subaru make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not fixed, the code is likely to reappear.
8. How much does it typically cost to repair OBDII code P0122 in a Subaru at a mechanic or dealership?
- The cost can vary depending on the exact cause of the code, but it may range from $100 to $300 for parts and labor.
9. Can a faulty throttle position sensor cause other issues in a Subaru besides triggering OBDII code P0122?
- Yes, a faulty throttle position sensor can cause issues with shifting, idle speed control, and overall engine performance.
10. Is it safe to drive my Subaru to a repair shop if OBDII code P0122 appears suddenly while I'm on the road?
- It is generally safe to drive to a repair shop if the vehicle is still running smoothly, but it's best to have the issue addressed as soon as possible to avoid potential problems.
Discuss the causes and fixes for P0122 Subaru OBDII Code
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Po122,po303,po107,po113 un subaru forester 2001 posible dianostic please
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Any other symptoms besides the engine light? There are too many codes. You should start by clearing all the codes and check what code comes back first.
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