P2138 2010 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
- P2138 2010 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 P2138 2010 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 P2138 2010 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
- Faulty Electric Throttle Control Actuator
How to Fix the DTC P2138 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 P2138 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 P2138 2010 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P2138 in a 2010 Nissan Altima Sedan?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.
2. What causes the OBDII code P2138 in a 2010 Nissan Altima Sedan?
- The code is usually triggered by a faulty accelerator pedal position sensor, throttle position sensor, or issues with the wiring or connectors in the circuit.
3. How can I diagnose the OBDII code P2138 in my 2010 Nissan Altima Sedan?
- Diagnosing the code involves checking the accelerator pedal position sensor, throttle position sensor, and their respective wiring for any signs of damage or malfunction.
4. Can a dirty throttle body cause the OBDII code P2138 in a 2010 Nissan Altima Sedan?
- Yes, a dirty throttle body can also contribute to issues with the accelerator pedal position sensor circuit, potentially triggering the P2138 code.
5. Is it safe to continue driving with the OBDII code P2138 in my 2010 Nissan Altima Sedan?
- It is not recommended to continue driving with this code as it can lead to unsafe driving conditions and further damage to the vehicle.
6. How can I repair the OBDII code P2138 in my 2010 Nissan Altima Sedan?
- Repairing the code typically involves replacing the faulty accelerator pedal position sensor, throttle position sensor, or repairing any damaged wiring or connectors in the circuit.
7. Will resetting the OBDII code P2138 in my 2010 Nissan Altima Sedan make it go away permanently?
- Resetting the code may temporarily clear the error, but if the underlying issue with the sensor or circuit is not addressed, the code is likely to return.
8. Can a DIY enthusiast fix the OBDII code P2138 in a 2010 Nissan Altima Sedan?
- While some basic troubleshooting like checking connections can be done by a DIY enthusiast, replacing sensors or repairing wiring may require professional expertise.
9. How much does it cost to repair the OBDII code P2138 in a 2010 Nissan Altima Sedan at a dealership?
- The cost of repairs can vary depending on the exact cause of the issue, but it can range from a couple of hundred dollars to over a thousand dollars at a dealership.
10. Are there any recalls or technical service bulletins related to the OBDII code P2138 in a 2010 Nissan Altima Sedan?
- It is advisable to check with Nissan or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any relevant recalls or service bulletins related to this code.
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