P0123 2011 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 2011 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 2011 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 2011 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 2011 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 2011 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 2011 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P0123 (Throttle Position Sensor/Switch '1' Circuit High Input) in a 2011 Nissan Altima Sedan?
The common symptoms include issues with acceleration, an unresponsive throttle pedal, poor fuel economy, and possible stalling or surging of the engine.
2. What are the possible causes of OBDII code P0123 in a 2011 Nissan Altima Sedan?
The code P0123 is typically triggered by a faulty throttle position sensor, damaged wiring or connectors related to the sensor, or issues with the throttle control system.
3. How can I diagnose the cause of OBDII code P0123 in my 2011 Nissan Altima Sedan?
You can diagnose the issue by using an OBDII scanner to read the code, visually inspecting the throttle position sensor and its wiring for any damage, and performing a voltage test on the sensor.
4. Can I continue driving my 2011 Nissan Altima Sedan with OBDII code P0123 present?
It is not recommended to drive the vehicle with code P0123 as it can lead to further damage to the engine and affect the overall performance and safety of the vehicle.
5. What are some repair tips for fixing OBDII code P0123 in a 2011 Nissan Altima Sedan?
Repair tips include replacing the throttle position sensor if faulty, repairing or replacing damaged wiring or connectors, and ensuring proper installation and calibration of the new sensor.
6. How much does it typically cost to repair OBDII code P0123 in a 2011 Nissan Altima Sedan?
The cost of repairing code P0123 can vary depending on the extent of the damage and whether you choose to do the repairs yourself or take the vehicle to a mechanic. Costs can range from around $100 to $300 or more.
7. Can a DIY enthusiast fix OBDII code P0123 in a 2011 Nissan Altima Sedan?
Yes, if you have the necessary tools and experience, you can attempt to fix code P0123 yourself by following repair guides or tutorials specific to your vehicle.
8. Will resetting the OBDII code P0123 in my 2011 Nissan Altima Sedan make the problem go away?
Resetting the code will clear it temporarily, but if the underlying issue causing code P0123 is not addressed, the code is likely to reappear once the problem persists.
9. How long does it take to repair OBDII code P0123 in a 2011 Nissan Altima Sedan?
The repair time for code P0123 can vary based on the cause of the issue and your level of expertise. It can take anywhere from 30 minutes to a few hours to complete the repair.
10. Is it common for the throttle position sensor to fail in a 2011 Nissan Altima Sedan, triggering OBDII code P0123?
Yes, the throttle position sensor can be a common point of failure in vehicles, including the 2011 Nissan Altima Sedan, leading to the triggering of code P0123 due to wear and tear or electrical issues.
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