P0123 2012 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 2012 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 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 P0123 2012 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 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 P0123 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.
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Frequently Asked Questions about P0123 2012 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P0123 on a 2012 Nissan Altima Sedan?
When experiencing the Throttle Position Sensor/Switch '1' Circuit High Input (P0123) code, common symptoms may include issues with acceleration, rough idling, poor fuel economy, and even stalling.
2. What causes the OBDII code P0123 to appear on a 2012 Nissan Altima Sedan?
The P0123 code on a 2012 Nissan Altima Sedan typically indicates a problem with the throttle position sensor or its circuit. This can be caused by sensor malfunctions, wiring issues, or a faulty connector.
3. How can I diagnose the Throttle Position Sensor/Switch '1' Circuit High Input code on my 2012 Nissan Altima Sedan?
To diagnose the P0123 code, you can use an OBDII scanner to read the code, check the throttle position sensor's wiring and connections, and perform a sensor resistance test to determine if it's functioning correctly.
4. What are some DIY repair tips for fixing the P0123 code on a 2012 Nissan Altima Sedan?
DIY repair tips for addressing the P0123 code may include checking and cleaning the throttle body, inspecting the sensor's connections for corrosion or damage, and replacing the throttle position sensor if necessary.
5. Can driving with the OBDII code P0123 on a 2012 Nissan Altima Sedan cause further damage?
Continuing to drive with the P0123 code present on a 2012 Nissan Altima Sedan can potentially lead to poor engine performance, decreased fuel efficiency, and further damage to the vehicle's components over time.
6. How much does it typically cost to repair the Throttle Position Sensor/Switch '1' Circuit High Input code on a 2012 Nissan Altima Sedan?
The cost of repairing the P0123 code on a 2012 Nissan Altima Sedan can vary depending on the exact cause of the issue. On average, expect to pay between $100 to $300 for parts and labor.
7. Are there any recalls or technical service bulletins related to the P0123 code on a 2012 Nissan Altima Sedan?
It's recommended to check with Nissan or visit their official website to see if there are any recalls or technical service bulletins related to the P0123 code on a 2012 Nissan Altima Sedan to address potential known issues.
8. Is it safe to drive my 2012 Nissan Altima Sedan with the OBDII code P0123?
While the P0123 code may not pose an immediate safety risk, it's best to address the underlying issue promptly to avoid potential drivability problems and prevent further damage to your vehicle.
9. Can a faulty throttle position sensor cause other OBDII codes to appear on a 2012 Nissan Altima Sedan?
Yes, a faulty throttle position sensor on a 2012 Nissan Altima Sedan can cause other related OBDII codes to appear, such as P0121 (TPS 'A' Circuit Range/Performance) or P0223 (TPS 'B' Circuit High Input).
10. How long does it take to repair the OBDII code P0123 on a 2012 Nissan Altima Sedan?
The repair time for the P0123 code on a 2012 Nissan Altima Sedan can vary based on the exact cause of the issue and the repair process involved. Typically, it may take a few hours to a full day to diagnose and fix the problem.
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