P0122 2012 Nissan Altima Sedan 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 Altima Sedan 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 Altima Sedan 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 Altima Sedan?
- 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 Altima Sedan?
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 Altima Sedan 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.
Need more information about the P0122 2012 Nissan Altima Sedan code?
Need more information on how to fix the P0122 2012 Nissan Altima Sedan code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0122 2012 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0122 2012 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P0122 in a 2012 Nissan Altima Sedan?
The common symptoms of OBDII code P0122 in a 2012 Nissan Altima Sedan include issues like poor acceleration, stalling, rough idling, and potential difficulty shifting gears.
2. What does the OBDII code P0122 for a 2012 Nissan Altima Sedan indicate?
OBDII code P0122 for a 2012 Nissan Altima Sedan indicates a problem with the Throttle Position Sensor/Switch 'A' Circuit, specifically detecting a low input signal.
3. What are the possible causes of OBDII code P0122 in a 2012 Nissan Altima Sedan?
Possible causes of OBDII code P0122 in a 2012 Nissan Altima Sedan include a faulty throttle position sensor, damaged wiring or connectors, a corroded sensor terminal, or issues with the engine control module.
4. How can I diagnose the Throttle Position Sensor/Switch 'A' Circuit low input issue in a 2012 Nissan Altima Sedan?
To diagnose the Throttle Position Sensor/Switch 'A' Circuit low input issue in a 2012 Nissan Altima Sedan, you can use an OBDII scanner to retrieve the specific fault code, visually inspect the sensor and wiring for any visible damage, and perform voltage tests on the sensor.
5. Is it safe to continue driving a 2012 Nissan Altima Sedan with OBDII code P0122?
It is not recommended to continue driving a 2012 Nissan Altima Sedan with OBDII code P0122 as it can lead to poor engine performance, potential stalling, and other safety hazards.
6. Can I reset the OBDII code P0122 in a 2012 Nissan Altima Sedan by disconnecting the battery?
While disconnecting the battery may temporarily clear the code, it is not a permanent solution. It is recommended to diagnose and repair the underlying issue causing the P0122 code.
7. How much does it typically cost to repair OBDII code P0122 in a 2012 Nissan Altima Sedan?
The cost of repairing OBDII code P0122 in a 2012 Nissan Altima Sedan can vary depending on the root cause of the issue, but it may range from $100 to $300 for parts and labor.
8. Can a DIY enthusiast fix the Throttle Position Sensor/Switch 'A' Circuit low input issue in a 2012 Nissan Altima Sedan?
DIY enthusiasts with mechanical knowledge and the right tools can potentially fix the Throttle Position Sensor/Switch 'A' Circuit low input issue in a 2012 Nissan Altima Sedan. However, it is recommended to proceed with caution and research the specific repair procedures thoroughly.
9. Will replacing the throttle position sensor resolve the OBDII code P0122 in a 2012 Nissan Altima Sedan?
Replacing the throttle position sensor is a common fix for OBDII code P0122 in a 2012 Nissan Altima Sedan, especially if the sensor is faulty or sending a low input signal. However, it is essential to verify the diagnosis before proceeding with the replacement.
10. How long does it take to repair OBDII code P0122 in a 2012 Nissan Altima Sedan?
The repair time for OBDII code P0122 in a 2012 Nissan Altima Sedan can vary depending on the complexity of the issue and the repair process involved. On average, it may take a few hours to a day for a professional mechanic to diagnose and fix the problem.
Discuss the causes and fixes for P0122 2012 Nissan Altima Sedan OBDII Code
Code P0122 2012 Nissan Altima Sedan comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
