AutoCodes – Toyota – P2135 2011 Toyota Camry

P2135 2011 Toyota Camry Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Quick Answer

The TP sensor is mounted on the throttle body, and detects the opening angle of the throttle valve. 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 2011 Toyota Camry 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.
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Code Popularity 4,645
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 2011 Toyota Camry Description

The TP sensor is mounted on the throttle body, and detects the opening angle of the throttle valve. This sensor is a non-contact type. It uses Hall-effect elements in order to yield accurate signals even in extreme driving conditions, such as at high speeds as well as very low speeds. The TP sensor has two sensor circuits which each transmits a signal, VTA1 and VTA2. VTA1 is used to detect the throttle valve angle and VTA2 is used to detect malfunctions in VTA1. The sensor signal voltages vary between 0 V and 5 V in proportion to the throttle valve opening angle, and are transmitted to the VTA terminals of the ECM.
As the valve closes, the sensor output voltage decreases and as the valve opens, the sensor output voltage increases. The ECM calculates the throttle valve opening angle according to these signals and controls the throttle actuator in response to driver inputs. These signals are also used in calculations such as air-fuel ratio correction, power increase correction and fuel-cut control.
OBDII Code P2135 2011 Toyota Camry - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation - AutoCodes.com
P2135 2011 Toyota Camry Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

What are the Possible Causes of the DTC P2135 2011 Toyota Camry?

  • 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
  • ECM

How to Fix the DTC P2135 2011 Toyota Camry?

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 2011 Toyota Camry 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 2011 Toyota Camry code?

Need more information on how to fix the P2135 2011 Toyota Camry 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 2011 Toyota Camry Code

1. What does the OBDII code P2135 mean on a 2011 Toyota Camry?

P2135 indicates a voltage correlation issue between the throttle position sensor (TPS) circuits A and B, meaning the signals from the sensors don't match as expected.

2. What are the common symptoms of code P2135 in a 2011 Toyota Camry?

Symptoms may include reduced engine performance, the vehicle entering "limp mode," poor throttle response, stalling, or the check engine light being illuminated.

3. What causes the P2135 code in a 2011 Toyota Camry?

Common causes include a faulty throttle position sensor, wiring or connector issues, a dirty or malfunctioning throttle body, or a problem with the engine control module (ECM).

4. Can a dirty throttle body trigger the P2135 code?

Yes, a dirty throttle body can cause improper sensor readings, leading to the P2135 code being triggered.

5. How do you diagnose the P2135 code on a 2011 Toyota Camry?

Diagnose by checking the throttle position sensor and wiring for damage, cleaning the throttle body, and using a scan tool to compare voltage readings from TPS circuits A and B.

6. Can I drive my 2011 Toyota Camry with the P2135 code?

Driving with this code is not recommended, as the car may enter limp mode or stall, presenting a safety risk.

7. How do you fix the P2135 code in a 2011 Toyota Camry?

Repairs may include cleaning the throttle body, replacing the throttle position sensor, repairing damaged wiring, or, in rare cases, replacing the ECM.

8. How much does it cost to fix the P2135 code on a 2011 Toyota Camry?

The repair cost varies but typically ranges from $100 to $400, depending on whether the throttle body or sensor requires cleaning or replacement.

9. Can a bad accelerator pedal position sensor cause the P2135 code?

Yes, although less common, a faulty accelerator pedal position sensor could also cause a voltage correlation issue.

10. Will clearing the P2135 code solve the problem permanently?

Clearing the code without addressing the underlying issue will only provide a temporary fix, as the problem will likely return.

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