AutoCodes – Toyota – P2135 2005 Toyota Prius

P2135 2005 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 2005 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 4,186
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 2005 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 2005 Toyota Prius - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation - AutoCodes.com
P2135 2005 Toyota Prius Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

What are the Possible Causes of the DTC P2135 2005 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 2005 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 2005 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 2005 Toyota Prius code?

Need more information on how to fix the P2135 2005 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 2005 Toyota Prius Code

1. What does OBDII code P2135 mean for a 2005 Toyota Prius?

The code P2135 indicates a Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation issue in the 2005 Toyota Prius.

2. What are the common symptoms of OBDII code P2135 in a 2005 Toyota Prius?

Common symptoms of P2135 may include reduced engine power, hesitation or stalling, rough idling, and the vehicle going into a limp mode.

3. What are the possible causes of OBDII code P2135 in a 2005 Toyota Prius?

Potential causes of P2135 include a faulty throttle position sensor, damaged wiring or connectors, issues with the accelerator pedal position sensor, or a problem with the throttle body.

4. How can I diagnose the OBDII code P2135 in my 2005 Toyota Prius?

Diagnosing P2135 may involve using an OBDII scanner to read the code and checking the throttle position sensor's voltage using a multimeter to determine if it is within the specified range.

5. Can I still drive my 2005 Toyota Prius with OBDII code P2135?

It is not recommended to continue driving your Prius with P2135 as it can lead to potential safety hazards and further damage to the vehicle. It's best to have the issue diagnosed and repaired promptly.

6. How can I repair OBDII code P2135 in my 2005 Toyota Prius?

Repairing P2135 may involve replacing the faulty throttle position sensor, repairing damaged wiring or connectors, cleaning the throttle body, or resetting the system by disconnecting the battery.

7. Is it possible to reset the OBDII code P2135 in a 2005 Toyota Prius without repairs?

While clearing the code using an OBDII scanner may temporarily turn off the check engine light, the underlying issue causing P2135 will still persist and may trigger the code again.

8. How much does it cost to fix OBDII code P2135 in a 2005 Toyota Prius?

The cost of fixing P2135 can vary depending on the specific cause of the issue, the parts needed for repair, and the labor rates of the repair shop. It's best to get a diagnostic done for an accurate estimate.

9. Can a DIY enthusiast repair OBDII code P2135 in a 2005 Toyota Prius?

Depending on the root cause of P2135, some DIY enthusiasts may be able to repair it themselves, especially if it involves simple tasks like sensor replacement or checking wiring connections. However, more complex issues may require professional assistance.

10. Will OBDII code P2135 cause long-term damage to my 2005 Toyota Prius if left unresolved?

Leaving P2135 unaddressed can potentially lead to further damage to the engine and other components over time. It's crucial to have the issue diagnosed and repaired to prevent more severe problems down the line.

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