P0123 2010 Nissan Altima Sedan 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 2010 Nissan Altima Sedan 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 2010 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 P0123 2010 Nissan Altima Sedan?
- 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 2010 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 P0123 2010 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.
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Frequently Asked Questions about P0123 2010 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P0123 in a 2010 Nissan Altima Sedan?
- Common symptoms include issues like lack of power, delayed throttle response, stalling, and in some cases, the vehicle may even go into limp mode.
2. What does the Throttle Position Sensor/Switch '1' Circuit High Input mean in relation to code P0123 in a 2010 Nissan Altima Sedan?
- This code indicates that the Engine Control Module (ECM) has detected a higher than expected voltage from the throttle position sensor or its circuit.
3. What are the potential causes of OBDII code P0123 in a 2010 Nissan Altima Sedan?
- The main causes can be a faulty throttle position sensor, a short or open circuit in the sensor wiring, or issues with the ECM itself.
4. How serious is OBDII code P0123 in a 2010 Nissan Altima Sedan?
- While the vehicle may still be operable with this code, it is essential to address it promptly to avoid potential safety hazards and further damage to the engine.
5. Can driving with OBDII code P0123 in a 2010 Nissan Altima Sedan damage the vehicle?
- Continued driving with this code may lead to poor fuel efficiency, engine misfires, and potential long-term damage to the engine components.
6. How can I diagnose OBDII code P0123 in a 2010 Nissan Altima Sedan?
- Diagnosis typically involves using a scan tool to retrieve the code, testing the throttle position sensor's voltage, and inspecting the sensor and its wiring for any visible damage.
7. What are some DIY repair tips for fixing OBDII code P0123 in a 2010 Nissan Altima Sedan?
- DIY repair options include checking and cleaning the throttle body, inspecting the throttle position sensor's connector for corrosion, and testing the sensor's resistance.
8. Is it recommended to replace the throttle position sensor when dealing with OBDII code P0123 in a 2010 Nissan Altima Sedan?
- Yes, replacing the throttle position sensor is often the most effective solution to resolve the P0123 code in a 2010 Nissan Altima Sedan.
9. Are there any recalls related to OBDII code P0123 in a 2010 Nissan Altima Sedan?
- It's advisable to check with Nissan or the National Highway Traffic Safety Administration (NHTSA) for any recalls or technical service bulletins related to this specific issue.
10. How much can I expect to pay for professional repair of OBDII code P0123 in a 2010 Nissan Altima Sedan?
- The cost of professional repair for this code can vary depending on the exact cause and location, but it may range from $100 to $300 for parts and labor.
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