Engine-CodesToyota – P2135 2015 Toyota RAV4

P2135 2015 Toyota RAV4 Code - Throttle / Pedal Position Sensor / Switch 'A' / 'B' Voltage Correlation

Quick Answer

The P2135 diagnostic trouble code (DTC) for a 2015 Toyota RAV4 indicates a problem with the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation. Common causes include Faulty throttle position sensor (TPS), Faulty accelerator pedal position sensor (APP), Damaged wiring or connectors. 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
P2135 2015 Toyota RAV4 indicates Throttle / Pedal Position Sensor / Switch 'A' / 'B' Voltage Correlation.
Common causes
Common causes include Faulty throttle position sensor (TPS), Faulty accelerator pedal position sensor (APP), Damaged wiring or connectors.
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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P2135 2015 Toyota RAV4 Description

The P2135 diagnostic trouble code (DTC) for a 2015 Toyota RAV4 indicates a problem with the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation. This code is triggered when the Engine Control Module (ECM) detects that the voltage signals from the throttle position sensor (TPS) and the accelerator pedal position sensor (APP) do not correlate as they should. The TPS is responsible for monitoring the position of the throttle valve, while the APP sensor detects the position of the accelerator pedal. When these sensors provide conflicting voltage signals, it can lead to issues with engine performance, fuel efficiency, and overall drivability.

OBDII Code P2135 2015 Toyota RAV4 - Throttle / Pedal Position Sensor / Switch 'A' / 'B' Voltage Correlation
P2135 2015 Toyota RAV4 Code - Throttle / Pedal Position Sensor / Switch 'A' / 'B' Voltage Correlation

Common Causes of P2135 2015 Toyota RAV4

  1. Faulty throttle position sensor (TPS)
  2. Faulty accelerator pedal position sensor (APP)
  3. Damaged wiring or connectors
  4. Corrosion in electrical connections
  5. ECM software issue

Symptoms of P2135 2015 Toyota RAV4

  1. Reduced engine power
  2. Rough idling or stalling
  3. Delayed throttle response
  4. Check Engine Light illuminated
  5. Limited acceleration

How to Fix P2135 2015 Toyota RAV4

  1. Perform a thorough inspection of the TPS and APP sensors, as well as their wiring and connectors.
  2. Test the voltage signals from both sensors to determine if they are within the specified range.
  3. Replace any faulty sensors or damaged wiring/connectors.
  4. Clear the DTC and reset the ECM to see if the issue persists.
  5. Test drive the vehicle to ensure proper throttle response and engine performance.

Cost to Fix P2135 2015 Toyota RAV4

The cost of repairing a P2135 code on a 2015 Toyota RAV4 can vary depending on the specific cause of the issue. Typically, the cost of replacing a throttle position sensor or accelerator pedal position sensor ranges from $100 to $200 each, not including labor costs. Labor rates at auto repair shops can vary, but on average, you can expect to pay between $80 and $150 per hour for diagnosis and repair. Therefore, the total cost for resolving this issue could range from $200 to $500 or more, depending on the extent of the repairs needed. It's recommended to consult with a qualified mechanic to get an accurate estimate based on your vehicle's specific needs.

Tech Notes for P2135 2015 Toyota RAV4









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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2135 2015 Toyota RAV4 Code

1. What does OBDII code P2135 mean on a 2015 Toyota RAV4?

P2135 indicates a voltage correlation issue between the throttle position sensor (TPS) A and B, which monitor the throttle body and pedal position sensor.

2. What are the symptoms of code P2135 in a 2015 Toyota RAV4?

Common symptoms include reduced engine power (limp mode), poor acceleration, stalling, and the check engine light being illuminated.

3. What causes the P2135 code to appear in a Toyota RAV4?

Common causes include a faulty throttle position sensor, damaged wiring or connectors, a malfunctioning pedal position sensor, or a problem with the throttle body.

4. Can I drive my 2015 Toyota RAV4 with a P2135 code?

It is not recommended to drive with a P2135 code because the vehicle may go into limp mode or stall unexpectedly, posing safety risks.

5. How do I fix the P2135 code on my Toyota RAV4?

Repairs may involve cleaning or replacing the throttle body, inspecting and repairing damaged wiring, or replacing the throttle or pedal position sensor.

6. Does the P2135 code require throttle body replacement?

Not always. It may only require cleaning or recalibration of the throttle body if the issue is caused by carbon buildup or minor misalignment.

7. How much does it cost to repair a P2135 code on a 2015 Toyota RAV4?

Repair costs can vary but typically range from $150 to $600 depending on whether the throttle body, sensors, or wiring need replacement.

8. Can a dirty throttle body cause the P2135 code?

Yes, carbon buildup in the throttle body can lead to sensor misreadings and trigger the P2135 code.

9. Do I need to reprogram the ECU after fixing the P2135 code?

In some cases, the ECU may need to be reset or reprogrammed to clear the code and recalibrate the throttle system.

10. Can a loose wiring connection cause the P2135 code?

Yes, damaged or loose wiring and connectors between the throttle position sensor and ECU can cause voltage correlation issues and trigger the code.

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