P0122 2009 Nissan Versa Code - Throttle Position Sensor/Switch '1' 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 2009 Nissan Versa indicates Throttle Position Sensor/Switch '1' 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 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 P0122 2009 Nissan Versa?
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
- Faulty accelerator pedal position sensor
How to Fix the DTC P0122 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 P0122 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 P0122 2009 Nissan Versa Code
1. What are the common symptoms of OBDII code P0122 on a 2009 Nissan Versa?
- Common symptoms include poor acceleration, stalling, rough idling, and a decrease in fuel efficiency.
2. What does the OBDII code P0122 indicate on a 2009 Nissan Versa?
- OBDII code P0122 indicates an issue with the Throttle Position Sensor/Switch '1' Circuit having a low input.
3. What are the possible causes of OBDII code P0122 on a 2009 Nissan Versa?
- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, a malfunctioning throttle body, or issues with the engine control module (ECM).
4. How can I diagnose the OBDII code P0122 on my 2009 Nissan Versa?
- Diagnosis typically involves checking the throttle position sensor's voltage using a multimeter, inspecting the wiring and connectors for damage, and testing the throttle body for proper functionality.
5. Can I drive my 2009 Nissan Versa with OBDII code P0122?
- It is not recommended to drive your vehicle with OBDII code P0122 as it can lead to performance issues and potential safety hazards.
6. How can I repair OBDII code P0122 on my 2009 Nissan Versa?
- Repairing OBDII code P0122 may involve replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, cleaning or replacing the throttle body, or reprogramming the ECM.
7. Will resetting the OBDII code P0122 on my 2009 Nissan Versa make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reappear.
8. How much does it cost to fix OBDII code P0122 on a 2009 Nissan Versa?
- The cost of fixing OBDII code P0122 can vary depending on the specific cause of the issue and labor rates in your area. It is recommended to get a diagnosis from a professional technician for an accurate estimate.
9. Can a DIY enthusiast repair OBDII code P0122 on a 2009 Nissan Versa?
- Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to repair OBDII code P0122 by following repair guides or tutorials. However, it is recommended to seek professional help if unsure.
10. How long does it typically take to repair OBDII code P0122 on a 2009 Nissan Versa?
- The repair time for OBDII code P0122 can vary depending on the specific cause of the issue and the expertise of the technician. It can range from a few hours to a full day in some cases.
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