P0122 2005 Nissan Pathfinder 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 2005 Nissan Pathfinder 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 2005 Nissan Pathfinder 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 2005 Nissan Pathfinder?
- 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 2005 Nissan Pathfinder?
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 2005 Nissan Pathfinder 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 2005 Nissan Pathfinder Code
1. What are the common symptoms of OBDII code P0122 on a 2005 Nissan Pathfinder?
- Common symptoms include poor acceleration, stalling at idle, rough idling, and decreased fuel efficiency.
2. What does the OBDII code P0122 'Throttle Position Sensor/Switch '1' Circuit Low Input' mean?
- This code indicates that the throttle position sensor is sending a low voltage signal to the engine control module.
3. What are the possible causes of OBDII code P0122 on a 2005 Nissan Pathfinder?
- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, a dirty throttle body, or a malfunctioning engine control module.
4. How can I diagnose the cause of OBDII code P0122 on my 2005 Nissan Pathfinder?
- You can use a multimeter to test the throttle position sensor's voltage output, visually inspect the wiring and connectors for damage, and clean the throttle body to see if it resolves the issue.
5. Can I drive my 2005 Nissan Pathfinder with OBDII code P0122?
- It is not recommended to drive the vehicle with this code as it can lead to further engine problems and potential safety issues.
6. Is it safe to continue driving if I reset the OBDII code P0122 on my 2005 Nissan Pathfinder?
- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, it is not safe to continue driving as the problem may reoccur.
7. How do I repair OBDII code P0122 on a 2005 Nissan Pathfinder?
- Repair options include replacing the throttle position sensor, repairing damaged wiring or connectors, cleaning the throttle body, or reprogramming the engine control module.
8. Will OBDII code P0122 on my 2005 Nissan Pathfinder cause the Check Engine light to illuminate?
- Yes, this code will trigger the Check Engine light to come on as a warning indicator of a potential issue with the throttle position sensor.
9. Can a DIY enthusiast fix OBDII code P0122 on a 2005 Nissan Pathfinder?
- Depending on their skill level, a DIY enthusiast may be able to address this code by following repair guides and using basic tools to replace the throttle position sensor or clean the throttle body.
10. How much does it cost to fix OBDII code P0122 on a 2005 Nissan Pathfinder at a repair shop?
- The cost of repair can vary depending on the specific cause of the code, but it typically ranges from $100 to $300 for parts and labor.
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