P2123 2004 Nissan Altima Sedan Code - Accelerator Pedal Position Sensor Circuit Range/Performance
Quick Answer
The Accelerator Pedal Position (APP) sensor is installed on the upper end of the accelerator pedal assembly. Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal 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
- P2123 2004 Nissan Altima Sedan indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
- Common causes
- Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal 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 P2123 2004 Nissan Altima Sedan Description
Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometers which transform the accelerator pedal position into output voltage, and emit the voltage signal to the ECM.
In addition, these sensors detect the opening and closing speed of the accelerator pedal and feed the voltage signals to the ECM. The ECM judges the current opening angle of the accelerator pedal from these signals and controls the throttle control motor based on these signals.
Idle position of the accelerator pedal is determined by the ECM receiving the signal from the accelerator pedal position sensor. The ECM uses this signal for the engine operation
such as fuel cut.
What are the Possible Causes of the DTC P2123 2004 Nissan Altima Sedan?
- Faulty Accelerator Pedal Position Sensor
- Accelerator Pedal Position Sensor harness is open or shorted
- Accelerator Pedal Position Sensor circuit poor electrical connection
How to Fix the DTC P2123 2004 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 P2123 2004 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.
Need more information about the P2123 2004 Nissan Altima Sedan code?
Need more information on how to fix the P2123 2004 Nissan Altima Sedan code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2123 2004 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2123 2004 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P2123 in a 2004 Nissan Altima Sedan?
- Common symptoms include reduced engine power, unresponsive throttle, poor acceleration, and the vehicle going into a limp mode.
2. What does the OBDII code P2123 for a 2004 Nissan Altima Sedan indicate?
- OBDII code P2123 indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance.
3. What are the possible causes of OBDII code P2123 in a 2004 Nissan Altima Sedan?
- The possible causes of P2123 include a faulty accelerator pedal position sensor, wiring issues, poor electrical connections, or a damaged sensor circuit.
4. How can I diagnose the OBDII code P2123 in my 2004 Nissan Altima Sedan?
- Diagnosis involves using an OBDII scanner to read the code, checking the accelerator pedal position sensor and its wiring for any visible damage, and testing the sensor's voltage and resistance.
5. Can I still drive my 2004 Nissan Altima Sedan with OBDII code P2123?
- It is not recommended to drive the vehicle with P2123 as it can lead to unsafe driving conditions and further damage to the vehicle.
6. How can I repair OBDII code P2123 in my 2004 Nissan Altima Sedan?
- Repairing P2123 may involve replacing the accelerator pedal position sensor, repairing or replacing damaged wiring, ensuring proper electrical connections, and clearing the fault code.
7. Is it possible to reset the OBDII code P2123 in a 2004 Nissan Altima Sedan?
- Yes, you can reset the code using an OBDII scanner after addressing the underlying issue causing the fault code.
8. Can a DIY enthusiast fix OBDII code P2123 in a 2004 Nissan Altima Sedan?
- Depending on the skill level and experience, a DIY enthusiast may be able to fix P2123 by following proper diagnostic and repair procedures.
9. How much does it cost to repair OBDII code P2123 in a 2004 Nissan Altima Sedan?
- The cost of repairing P2123 can vary based on the extent of the issue, parts needed, and labor rates, but it can range from $100 to $300 or more.
10. How long does it take to repair OBDII code P2123 in a 2004 Nissan Altima Sedan?
- The repair time for P2123 can vary depending on the exact cause of the issue and the available parts, but it typically takes a few hours to complete the repair.
Discuss the causes and fixes for P2123 2004 Nissan Altima Sedan OBDII Code
Code P2123 2004 Nissan Altima Sedan 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.
