P2138 2007 Nissan Sentra Code - Accelerator Pedal Position Sensor Circuit Range/Performance
Quick Answer
The P2138 diagnostic trouble code (DTC) on a 2007 Nissan Sentra indicates a problem with the Accelerator Pedal Position Sensor (APPS) circuit's range or performance. Common causes include Faulty accelerator pedal position sensor, Wiring or connector issues in the accelerator pedal sensor circuit, ECM software or programming issues. 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 2007 Nissan Sentra indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
- Common causes
- Common causes include Faulty accelerator pedal position sensor, Wiring or connector issues in the accelerator pedal sensor circuit, ECM software or programming issues.
- 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 2007 Nissan Sentra Description
The P2138 diagnostic trouble code (DTC) on a 2007 Nissan Sentra indicates a problem with the Accelerator Pedal Position Sensor (APPS) circuit's range or performance. The accelerator pedal position sensor is a vital component of the vehicle's electronic throttle control system, responsible for relaying the driver's input to the engine control module (ECM). This sensor determines the position of the accelerator pedal and sends this information to the ECM, which adjusts the throttle opening accordingly to control the engine's speed and power output.
Common Causes of P2138 2007 Nissan Sentra
- Faulty accelerator pedal position sensor.
- Wiring or connector issues in the accelerator pedal sensor circuit.
- ECM software or programming issues.
- Throttle body malfunction.
- Electronic throttle control system failure.
Symptoms of P2138 2007 Nissan Sentra
- Check engine light illuminated on the dashboard.
- Reduced power or loss of acceleration.
- Engine hesitation or surging.
- Rough idling or stalling.
- Difficulty starting the vehicle.
How to Fix P2138 2007 Nissan Sentra
- Diagnose the code using an OBD-II scanner to confirm the P2138 DTC and identify the specific cause of the issue.
- Inspect the accelerator pedal position sensor and its wiring for any damage or corrosion. Replace the sensor if necessary.
- Check the throttle body for proper operation and cleanliness. Clean or replace the throttle body as needed.
- Verify the integrity of the ECM software and reprogram or update it if recommended by the manufacturer.
- Clear the DTC and reset the ECM to see if the code returns, indicating a successful repair.
Cost to Fix P2138 2007 Nissan Sentra
The cost of repairing a P2138 code on a 2007 Nissan Sentra can vary depending on the specific cause of the issue and the parts or labor required. On average, repairing the accelerator pedal position sensor circuit range/performance problem can range from $200 to $500, including parts and labor. However, the actual cost may be higher or lower based on the severity of the issue and the rates charged by auto repair shops in your area. It is advisable to obtain quotes from multiple shops to ensure a competitive price for the repair.
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Frequently Asked Questions about P2138 2007 Nissan Sentra Code
1. What are the common symptoms of OBDII code P2138 on a 2007 Nissan Sentra?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle entering "limp mode."
2. What can cause the OBDII code P2138 to trigger on a 2007 Nissan Sentra?
- The code P2138 typically indicates an issue with the accelerator pedal position sensor circuit, which could be caused by a faulty sensor, wiring issues, or a problem with the throttle body.
3. How serious is the OBDII code P2138 on a 2007 Nissan Sentra?
- The code P2138 should be taken seriously as it can affect the drivability of the vehicle and may lead to safety concerns if not addressed promptly.
4. Can I continue driving my 2007 Nissan Sentra with the OBDII code P2138 present?
- It is not recommended to drive the vehicle with the code P2138 present, as it can result in performance issues and potentially unsafe driving conditions.
5. What is the typical repair process for resolving OBDII code P2138 on a 2007 Nissan Sentra?
- The repair process usually involves diagnosing the specific cause of the issue, which may require testing the accelerator pedal position sensor, checking wiring connections, or inspecting the throttle body.
6. How much does it usually cost to repair OBDII code P2138 on a 2007 Nissan Sentra?
- The cost of repairing the code P2138 can vary depending on the underlying cause, but it may involve replacing the accelerator pedal position sensor, repairing wiring, or addressing throttle body issues.
7. Can I reset the OBDII code P2138 on a 2007 Nissan Sentra using an OBDII scanner?
- Resetting the code with an OBDII scanner may temporarily clear the code, but it is important to address the underlying issue to prevent it from reoccurring.
8. Are there any DIY tips for troubleshooting OBDII code P2138 on a 2007 Nissan Sentra?
- DIY tips may include visually inspecting wiring connections, checking for loose or damaged wires, and ensuring the accelerator pedal operates smoothly.
9. How long does it typically take to repair OBDII code P2138 on a 2007 Nissan Sentra?
- The repair time can vary depending on the specific cause of the issue, but it may take a few hours to a day to diagnose and address the problem effectively.
10. Is it common for the OBDII code P2138 to reoccur after repair on a 2007 Nissan Sentra?
- If the underlying issue is not properly addressed during the repair, there is a possibility that the code P2138 may reoccur. It is crucial to ensure a thorough diagnosis and repair process.
Discuss the causes and fixes for P2138 2007 Nissan Sentra OBDII Code
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Replaced pedal position sensor the car ran good for two days now problem is back
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Besides the engine light and P2138 code, what other symptoms do you have?
It's not a common problem, but I had that same code on an Altima and the problem was the IPDM E/R (Intelligent Power Distribution Module Engine Room) (Fuse box by the battery).
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