P2138 2010 Nissan Altima Sedan Code - Accelerator Pedal Position Sensor Circuit Range/Performance
Quick Answer
The diagnostic trouble code (DTC) P2138 for a 2010 Nissan Altima Sedan indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the accelerator pedal position sensor circuit, Issues with the ECM. 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, Damaged wiring or connectors in the accelerator pedal position sensor circuit, Issues with the ECM.
- 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.
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Code P2138 2010 Nissan Altima Sedan Description
The diagnostic trouble code (DTC) P2138 for a 2010 Nissan Altima Sedan indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance. This code typically means that the signals being sent by the accelerator pedal position sensor do not fall within the expected range. The accelerator pedal position sensor is a crucial component that communicates with the vehicle's engine control module (ECM) to determine how much fuel to inject into the engine based on the position of the accelerator pedal.
Common Causes of P2138 2010 Nissan Altima Sedan
- Faulty accelerator pedal position sensor
- Damaged wiring or connectors in the accelerator pedal position sensor circuit
- Issues with the ECM
- Corrosion or water damage to sensor components
- Loose or damaged connections in the sensor circuit
Symptoms of P2138 2010 Nissan Altima Sedan
- Hesitation or lack of response when pressing the accelerator pedal
- Reduced engine power or acceleration
- Rough idling or stalling
- Illumination of the check engine light
- Potential activation of limp mode
How to Fix P2138 2010 Nissan Altima Sedan
- Begin by connecting a diagnostic scanner to retrieve the specific trouble code (P2138) and any related codes.
- Inspect the accelerator pedal position sensor, wiring, and connectors for any visible damage or corrosion.
- Test the sensor's voltage output with a multimeter to ensure it falls within the manufacturer's specified range.
- Replace the accelerator pedal position sensor if it is found to be faulty, ensuring proper installation and calibration.
- Clear the trouble codes from the ECM and perform a test drive to verify that the issue has been resolved.
Cost to Fix P2138 2010 Nissan Altima Sedan
The cost to repair a P2138 code on a 2010 Nissan Altima Sedan can vary depending on the specific cause of the issue. Generally, the cost of replacing the accelerator pedal position sensor itself ranges from $100 to $200, not including labor. Including parts and labor, the total repair cost can range from $200 to $400. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to get an accurate estimate.
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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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