AutoCodes – Toyota – P2135 2006 Toyota Prius

P2135 2006 Toyota Prius Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Quick Answer

Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. Common causes include Faulty electric throttle control actuator (TP sensor 1 and 2), Throttle Position Sensor harness is open or shorted, Throttle Position Sensor circuit poor 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
P2135 2006 Toyota Prius indicates Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation.
Common causes
Common causes include Faulty electric throttle control actuator (TP sensor 1 and 2), Throttle Position Sensor harness is open or shorted, Throttle Position Sensor circuit poor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,280
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2135 2006 Toyota Prius Description

Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle position sensor responds to the throttle valve movement.

The throttle position sensor has the two sensors. These sensors are a kind of potentiometers which transform the throttle valve position into output voltage, and emit the voltage signal to the Engine Control Module (ECM). In addition, these sensors detect the opening and closing speed of the throttle valve and feed the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
OBDII Code P2135 2006 Toyota Prius - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation - AutoCodes.com
P2135 2006 Toyota Prius Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

What are the Possible Causes of the DTC P2135 2006 Toyota Prius?

  • Faulty electric throttle control actuator (TP sensor 1 and 2)
  • Throttle Position Sensor harness is open or shorted
  • Throttle Position Sensor circuit poor connection
  • Faulty accelerator pedal position sensor

How to Fix the DTC P2135 2006 Toyota Prius?

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 P2135 2006 Toyota Prius 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.

Need more information about the P2135 2006 Toyota Prius code?

Need more information on how to fix the P2135 2006 Toyota Prius code? Get Access to Factory Service Manuals

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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 2006 Toyota Prius Code

1. What is the common symptom associated with OBDII code P2135 in a 2006 Toyota Prius?

When OBDII code P2135 is triggered in a 2006 Toyota Prius, a common symptom is a sudden loss of power or acceleration response.

2. What does OBDII code P2135 indicate in a 2006 Toyota Prius?

OBDII code P2135 in a 2006 Toyota Prius indicates a Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation issue.

3. What are the possible causes of OBDII code P2135 in a 2006 Toyota Prius?

Possible causes of OBDII code P2135 in a 2006 Toyota Prius include a faulty throttle position sensor, pedal position sensor, wiring issues, or a problem with the throttle body.

4. How can I diagnose the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation problem in my 2006 Toyota Prius?

To diagnose the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation problem, you can use an OBDII scanner to read the trouble codes and perform a visual inspection of the throttle and pedal position sensors.

5. Can I continue driving my 2006 Toyota Prius with OBDII code P2135?

It is not recommended to continue driving your 2006 Toyota Prius with OBDII code P2135, as it can lead to further damage and potential safety hazards.

6. How can I repair OBDII code P2135 in my 2006 Toyota Prius?

To repair OBDII code P2135 in a 2006 Toyota Prius, you may need to replace the faulty throttle position sensor, pedal position sensor, repair any damaged wiring, or clean the throttle body.

7. Are there any DIY tips for addressing OBDII code P2135 in a 2006 Toyota Prius?

While some repairs for OBDII code P2135 may require professional help, you can start by checking and cleaning the throttle body, inspecting the sensor connectors for any loose connections, and ensuring the wiring is intact.

8. How much does it cost to fix OBDII code P2135 in a 2006 Toyota Prius?

The cost of fixing OBDII code P2135 in a 2006 Toyota Prius can vary depending on the exact cause of the issue, but it may range from $100 to $500 for parts and labor.

9. Can a faulty throttle/pedal position sensor cause other issues besides triggering OBDII code P2135 in a 2006 Toyota Prius?

Yes, a faulty throttle or pedal position sensor can cause other issues such as poor fuel efficiency, rough idling, and difficulty starting the vehicle.

10. How can I prevent OBDII code P2135 from recurring in my 2006 Toyota Prius?

To prevent OBDII code P2135 from recurring in a 2006 Toyota Prius, it's essential to perform regular maintenance, keep the throttle body clean, and address any sensor or wiring issues promptly.

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