P2138 2014 Toyota RAV4 Code - Throttle Pedal Position Sensor/Switch 'D'/'E' Voltage Correlation
Quick Answer
The P2138 diagnostic trouble code (DTC) for the 2014 Toyota RAV4 indicates a problem with the Throttle Pedal Position Sensor/Switch 'D'/'E' Voltage Correlation. Common causes include Faulty throttle pedal position sensor, Faulty throttle position sensor, Wiring harness 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 2014 Toyota RAV4 indicates Throttle Pedal Position Sensor/Switch 'D'/'E' Voltage Correlation.
- Common causes
- Common causes include Faulty throttle pedal position sensor, Faulty throttle position sensor, Wiring harness 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 2014 Toyota RAV4 Description
The P2138 diagnostic trouble code (DTC) for the 2014 Toyota RAV4 indicates a problem with the Throttle Pedal Position Sensor/Switch 'D'/'E' Voltage Correlation. This code is specifically related to the correlation between the throttle pedal position sensor and the throttle position sensor. The throttle pedal position sensor detects the position of the accelerator pedal and sends this information to the engine control module (ECM). The throttle position sensor, on the other hand, monitors the position of the throttle plate inside the throttle body.
Common Causes of P2138 2014 Toyota RAV4
- Faulty throttle pedal position sensor
- Faulty throttle position sensor
- Wiring harness issues
- ECM malfunction
- Corrosion or poor connections in the sensor circuits
Symptoms of P2138 2014 Toyota RAV4
- Reduced engine power
- Rough idling
- Acceleration hesitation
- Stalling
- Check Engine Light illuminated
How to Fix P2138 2014 Toyota RAV4
- Diagnose the issue by using a scan tool to retrieve the DTC and perform a thorough inspection of the throttle pedal position sensor, throttle position sensor, and related wiring.
- Replace the faulty sensor(s) if necessary. This may involve removing the throttle body to access the sensors.
- Inspect the wiring harness for any damage or corrosion. Repair or replace any damaged wires.
- Clear the DTC using the scan tool and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnosis may be needed to identify any underlying ECM issues.
Cost to Fix P2138 2014 Toyota RAV4
The cost of repairing a P2138 code on a 2014 Toyota RAV4 can vary depending on the specific cause of the issue. Typically, the cost of replacing a throttle pedal position sensor or throttle position sensor ranges from $100 to $300 each, not including labor. The total repair cost, including parts and labor, can range from $200 to $600. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of parts can vary based on the brand and quality of the components used. For a more accurate estimate, it's recommended to consult with a local auto repair shop.
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Frequently Asked Questions about P2138 2014 Toyota RAV4 Code
1. What are the common symptoms of OBDII code P2138 in a 2014 Toyota RAV4?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.
2. What does the OBDII code P2138 in a 2014 Toyota RAV4 indicate?
- This code indicates an issue with the Throttle Pedal Position Sensor/Switch 'D'/'E' voltage correlation.
3. What are the possible causes of OBDII code P2138 in a 2014 Toyota RAV4?
- Possible causes include a faulty throttle position sensor, wiring issues, a defective accelerator pedal position sensor, or a problem with the electronic throttle control system.
4. How can I diagnose the cause of OBDII code P2138 in my 2014 Toyota RAV4?
- Diagnosing this code typically involves checking the throttle position sensor readings, inspecting the wiring for any damage, and testing the accelerator pedal position sensor.
5. Is it safe to drive my 2014 Toyota RAV4 with OBDII code P2138?
- It is not recommended to drive the vehicle with this code as it can lead to unsafe driving conditions due to potential power loss and acceleration issues.
6. Can I reset the OBDII code P2138 in my 2014 Toyota RAV4 by disconnecting the battery?
- While disconnecting the battery may temporarily clear the code, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.
7. How much does it typically cost to repair OBDII code P2138 in a 2014 Toyota RAV4?
- Repair costs can vary depending on the exact cause of the code, but it may range from $200 to $500 or more, including parts and labor.
8. Can I fix OBDII code P2138 in my 2014 Toyota RAV4 myself?
- If you have the necessary tools and experience working on automotive electronics, you may be able to fix this issue yourself. However, it is advisable to consult a professional if you are unsure.
9. Will OBDII code P2138 cause damage to other components if not repaired promptly?
- Ignoring this code can potentially cause damage to other components in the electronic throttle control system and affect the overall performance of the vehicle.
10. How long does it take to repair OBDII code P2138 in a 2014 Toyota RAV4?
- The repair time can vary depending on the exact cause of the code and the availability of parts, but it typically takes a few hours to a day for a professional technician to diagnose and fix the issue.
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