P0123 2007 Nissan Sentra 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 Sentra 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 Sentra 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 Sentra?
- 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 Sentra?
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 Sentra 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.
Need more information about the P0123 2007 Nissan Sentra code?
Need more information on how to fix the P0123 2007 Nissan Sentra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0123 2007 Nissan Sentra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0123 2007 Nissan Sentra Code
1. What does OBDII code P0123 in a 2007 Nissan Sentra mean?
The code P0123 indicates an issue with the Throttle Position Sensor/Switch '1' circuit, specifically a high input signal.
2. What are some common symptoms of a P0123 code in a 2007 Nissan Sentra?
Common symptoms include poor acceleration, lack of power, rough idling, stalling, and possibly even the vehicle going into "limp mode."
3. What are the possible causes of a P0123 code in a 2007 Nissan Sentra?
The P0123 code can be triggered by a faulty throttle position sensor, issues with the throttle position sensor circuit, damaged wiring, or a problem with the engine control module.
4. How can I diagnose a P0123 code in my 2007 Nissan Sentra?
Diagnosis typically involves using an OBDII scanner to read the code, checking the throttle position sensor's voltage output, inspecting the wiring for damage, and testing the sensor's resistance.
5. Can I drive my 2007 Nissan Sentra with a P0123 code?
It is not recommended to drive your vehicle with a P0123 code as it can lead to further engine damage and safety issues. It's best to address the problem as soon as possible.
6. How can I repair a P0123 code in my 2007 Nissan Sentra?
Repairing a P0123 code may involve replacing the throttle position sensor, repairing or replacing damaged wiring, or reprogramming the engine control module.
7. Can a P0123 code be triggered by a dirty throttle body in a 2007 Nissan Sentra?
While a dirty throttle body can cause performance issues, it is typically not the direct cause of a P0123 code. However, it's a good idea to clean the throttle body as part of regular maintenance.
8. How much does it cost to fix a P0123 code in a 2007 Nissan Sentra?
The cost of fixing a P0123 code can vary depending on the exact cause of the issue. It may range from a relatively inexpensive sensor replacement to a more involved wiring repair.
9. Will a P0123 code in a 2007 Nissan Sentra cause the check engine light to come on?
Yes, a P0123 code will trigger the check engine light to illuminate on the dashboard of your 2007 Nissan Sentra, indicating a problem with the throttle position sensor circuit.
10. Is it possible to reset a P0123 code in a 2007 Nissan Sentra without fixing the underlying issue?
While you can clear the code temporarily, the check engine light will likely come back on if the root cause of the P0123 code is not addressed. It's important to diagnose and fix the problem to prevent further issues.
Discuss the causes and fixes for P0123 2007 Nissan Sentra OBDII Code
Code P0123 2007 Nissan Sentra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
