P0122 Subaru Code - Throttle Position Sensor/Switch 'A' Circuit Low Input
Quick Answer
The P0122 code for Subaru vehicles indicates an issue with the Throttle Position Sensor/Switch 'A' Circuit registering a low input signal. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the TPS circuit, Poor electrical connections. 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, Damaged wiring or connectors in the TPS circuit, Poor electrical connections.
- 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.
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Code P0122 Subaru Description
The P0122 code for Subaru vehicles indicates an issue with the Throttle Position Sensor/Switch 'A' Circuit registering a low input signal. The throttle position sensor (TPS) is a crucial component that monitors the position of the throttle valve in the engine. This information is used by the engine control module (ECM) to adjust fuel delivery and ignition timing for optimal performance.
Common Causes of P0122 Subaru
- Faulty throttle position sensor
- Damaged wiring or connectors in the TPS circuit
- Poor electrical connections
- Malfunctioning ECM
Symptoms of P0122 Subaru
- Rough idling or stalling
- Poor acceleration or response to throttle input
- Engine misfires or hesitation during acceleration
- Check Engine Light illuminated on the dashboard
How to Fix P0122 Subaru
- Begin by connecting a diagnostic scanner to retrieve the trouble code and confirm the issue with the TPS 'A' Circuit.
- Inspect the throttle position sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components as necessary.
- Test the TPS using a multimeter to ensure it is functioning within the specified voltage range.
- Clear the trouble code from the ECM memory and reset the system to see if the issue persists.
- If the problem persists, consider seeking professional help to further diagnose and repair the TPS circuit or ECM issues.
Cost to Fix P0122 Subaru
The cost of repairing a P0122 code on a Subaru vehicle can vary depending on the specific model, the extent of the damage, and the labor rates in your area. On average, replacing a throttle position sensor can cost between $100 and $200, while labor charges may range from $80 to $150 per hour. Overall, the total repair cost for addressing a P0122 code typically falls within the range of $200 to $400, but it's advisable to obtain quotes from local auto repair shops for a more accurate estimate.
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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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