P0123 2007 Nissan Maxima 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 2007 Nissan Maxima 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 2007 Nissan Maxima 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 2007 Nissan Maxima?
- 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 2007 Nissan Maxima?
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 2007 Nissan Maxima 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 2007 Nissan Maxima Code
1. What are common symptoms of OBDII code P0123 on a 2007 Nissan Maxima?
- Common symptoms include rough idling, stalling, poor acceleration, and possibly an illuminated check engine light.
2. What does the OBDII code P0123 in a 2007 Nissan Maxima indicate?
- The code P0123 indicates an issue with the Throttle Position Sensor/Switch '1' Circuit High Input.
3. What can cause the Throttle Position Sensor/Switch '1' Circuit High Input error in a 2007 Nissan Maxima?
- Potential causes include a faulty throttle position sensor, damaged wiring or connectors, or a malfunctioning electronic throttle control system.
4. How can I diagnose the Throttle Position Sensor/Switch '1' Circuit High Input issue in my 2007 Nissan Maxima?
- Diagnosing the issue involves using an OBDII scanner to retrieve the fault code, checking the throttle position sensor's wiring and connections, and testing the sensor's voltage output.
5. Can I still drive my 2007 Nissan Maxima with OBDII code P0123?
- It is not recommended to drive the vehicle with this code as it can lead to poor performance and potential safety hazards. It's best to address the issue promptly.
6. How can I repair the Throttle Position Sensor/Switch '1' Circuit High Input problem in my 2007 Nissan Maxima?
- Repair options may include replacing the throttle position sensor, repairing damaged wiring or connectors, or resetting the electronic throttle control system.
7. Is it possible to reset the OBDII code P0123 in a 2007 Nissan Maxima without repairs?
- While clearing the code may temporarily turn off the check engine light, it is essential to address the underlying issue to prevent further problems.
8. Can a DIY enthusiast fix the Throttle Position Sensor/Switch '1' Circuit High Input error in a 2007 Nissan Maxima?
- Depending on your skill level and access to tools, you may be able to replace the throttle position sensor yourself. However, diagnosing and repairing wiring issues may require professional assistance.
9. How much does it typically cost to repair OBDII code P0123 in a 2007 Nissan Maxima?
- The cost of repair can vary depending on the cause of the issue and whether you choose to DIY or seek professional help. Costs may range from $100 to $300 or more.
10. Will fixing the Throttle Position Sensor/Switch '1' Circuit High Input issue improve the performance of my 2007 Nissan Maxima?
- Yes, addressing this issue should improve the vehicle's performance, including smoother acceleration and idling, as well as better fuel efficiency.
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