P0123 2009 Nissan Versa Code - Throttle Position Sensor/Switch '1' 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 2009 Nissan Versa indicates Throttle Position Sensor/Switch '1' 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 2009 Nissan Versa 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 2009 Nissan Versa?
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
How to Fix the DTC P0123 2009 Nissan Versa?
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 2009 Nissan Versa 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 2009 Nissan Versa Code
1. What are the common symptoms of OBDII code P0123 in a 2009 Nissan Versa?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.
2. What causes the Throttle Position Sensor/Switch '1' Circuit High Input code in a 2009 Nissan Versa?
- The most common causes are a faulty throttle position sensor, a short or open circuit in the sensor wiring, or a problem with the engine control module.
3. How can I diagnose the P0123 code in my 2009 Nissan Versa?
- Use a diagnostic scanner to read the code and check the throttle position sensor's voltage readings. Inspect the sensor wiring for any signs of damage or corrosion.
4. Can I drive my 2009 Nissan Versa with OBDII code P0123?
- It is not recommended to drive with this code as it can cause performance issues and potentially lead to further damage to the engine or other components.
5. How do I repair the Throttle Position Sensor/Switch '1' Circuit High Input code in my 2009 Nissan Versa?
- Replace the throttle position sensor if found faulty, repair any damaged wiring, and clear the code with a diagnostic scanner.
6. Are there any DIY tips for fixing the P0123 code in a 2009 Nissan Versa?
- While some may attempt to replace the throttle position sensor themselves, it's recommended to have the repair done by a qualified mechanic for proper diagnosis and installation.
7. How much does it cost to repair OBDII code P0123 in a 2009 Nissan Versa?
- The cost of repair can vary depending on the root cause of the issue, but replacing the throttle position sensor can range from $100 to $300 including parts and labor.
8. Will resetting the OBDII code P0123 in my 2009 Nissan Versa make it go away permanently?
- Resetting the code may temporarily clear it, but if the underlying issue is not fixed, the code is likely to reappear once the problem is detected again.
9. Can a bad throttle position sensor cause other codes to appear in a 2009 Nissan Versa?
- Yes, a faulty throttle position sensor can trigger other related codes such as P0121 or P0122, which also indicate issues with the sensor's circuitry or performance.
10. How often should the throttle position sensor be replaced in a 2009 Nissan Versa?
- The throttle position sensor typically lasts for several years, but if it fails prematurely or exhibits symptoms of malfunction, it should be replaced promptly to avoid further complications.
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