P0122 2012 Nissan Sentra 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 2, Throttle position sensor 2 harness is open or shorted, Throttle position sensor 2 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 2012 Nissan Sentra indicates Throttle Position Sensor/Switch 'A' Circuit Low Input.
- Common causes
- Common causes include Faulty throttle position sensor 2, Throttle position sensor 2 harness is open or shorted, Throttle position sensor 2 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 2012 Nissan Sentra 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 2012 Nissan Sentra?
- Faulty throttle position sensor 2
- Throttle position sensor 2 harness is open or shorted
- Throttle position sensor 2 circuit poor electrical connection
How to Fix the DTC P0122 2012 Nissan Sentra?
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 2012 Nissan Sentra 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 2012 Nissan Sentra Code
1. What are the common symptoms of OBDII code P0122 in a 2012 Nissan Sentra?
The common symptoms of code P0122 in a 2012 Nissan Sentra include reduced engine power, hesitation or stalling when accelerating, and issues with the vehicle's idle speed.
2. What does the OBDII code P0122 indicate in a 2012 Nissan Sentra?
Code P0122 in a 2012 Nissan Sentra indicates a Throttle Position Sensor/Switch 'A' Circuit Low Input, which means the voltage signal from the throttle position sensor is lower than expected.
3. What are the possible causes of OBDII code P0122 in a 2012 Nissan Sentra?
The possible causes of code P0122 in a 2012 Nissan Sentra include a faulty throttle position sensor, damaged wiring or connectors in the throttle position sensor circuit, or a problem with the vehicle's Engine Control Module (ECM).
4. How can I diagnose the OBDII code P0122 in my 2012 Nissan Sentra?
To diagnose code P0122 in a 2012 Nissan Sentra, you can use an OBDII scanner to read the code, visually inspect the throttle position sensor and its wiring, conduct voltage tests on the sensor, and check for any related issues in the ECM.
5. Can I drive my 2012 Nissan Sentra with OBDII code P0122?
It is not recommended to drive your 2012 Nissan Sentra with code P0122, as it can lead to further damage to the engine and affect the vehicle's performance. It is best to address the issue promptly.
6. How can I repair OBDII code P0122 in my 2012 Nissan Sentra?
To repair code P0122 in a 2012 Nissan Sentra, you may need to replace the throttle position sensor, repair any damaged wiring or connectors, or reprogram the ECM if necessary. It's advisable to consult a professional mechanic for accurate diagnosis and repair.
7. Is it possible to reset OBDII code P0122 in a 2012 Nissan Sentra without fixing the underlying issue?
Resetting the OBDII code P0122 in a 2012 Nissan Sentra without fixing the underlying issue will only temporarily clear the code. The problem causing the code will persist, and the code is likely to reappear after some driving cycles.
8. How much does it typically cost to repair OBDII code P0122 in a 2012 Nissan Sentra?
The cost to repair code P0122 in a 2012 Nissan Sentra can vary depending on the root cause of the issue. Replacement of the throttle position sensor or repairs to the wiring may cost anywhere from $100 to $300, including parts and labor.
9. Can a DIY enthusiast fix OBDII code P0122 in a 2012 Nissan Sentra?
While some DIY enthusiasts may have the skills to replace the throttle position sensor or repair wiring issues related to code P0122 in a 2012 Nissan Sentra, it is recommended to seek professional help for an accurate diagnosis and proper repair.
10. How urgent is it to address OBDII code P0122 in a 2012 Nissan Sentra?
It is important to address OBDII code P0122 in a 2012 Nissan Sentra as soon as possible to prevent further damage to the vehicle and ensure optimal performance. Ignoring this code can lead to drivability issues and potentially unsafe driving conditions.
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