Engine-CodesToyota – P2135 2008 Toyota Camry

P2135 2008 Toyota Camry Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Quick Answer

The P2135 diagnostic trouble code (DTC) for a 2008 Toyota Camry indicates a Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation issue. Common causes include Faulty throttle position sensor, Malfunctioning pedal position sensor, Wiring or connector 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
P2135 2008 Toyota Camry indicates Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation.
Common causes
Common causes include Faulty throttle position sensor, Malfunctioning pedal position sensor, Wiring or connector 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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P2135 2008 Toyota Camry Description

The P2135 diagnostic trouble code (DTC) for a 2008 Toyota Camry indicates a Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation issue. This means that there is a discrepancy between the voltage signals being sent by the throttle position sensor (TPS) and the pedal position sensor (PPS) to the engine control module (ECM). The TPS is responsible for monitoring the position of the throttle valve and sending this information to the ECM, while the PPS detects the position of the accelerator pedal.

OBDII Code P2135 2008 Toyota Camry - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation
P2135 2008 Toyota Camry Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Common Causes of P2135 2008 Toyota Camry

  1. Faulty throttle position sensor
  2. Malfunctioning pedal position sensor
  3. Wiring or connector issues
  4. ECM software glitch
  5. Environmental factors affecting sensor performance

Symptoms of P2135 2008 Toyota Camry

  1. Reduced engine power
  2. Erratic throttle response
  3. Engine stalling
  4. Check Engine Light illuminated
  5. Difficulty accelerating

How to Fix P2135 2008 Toyota Camry

  1. Check the wiring and connectors for any signs of damage or corrosion. Repair or replace as needed.
  2. Test the throttle position sensor and pedal position sensor using a multimeter to ensure they are functioning correctly.
  3. If sensors are faulty, replace them with OEM-quality parts.
  4. Clear the DTC and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, consult with a professional mechanic for further diagnosis and potential ECM reprogramming.

Cost to Fix P2135 2008 Toyota Camry

The typical repair costs for addressing a P2135 code on a 2008 Toyota Camry can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is advisable to check local rates for a more accurate estimate.

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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 2008 Toyota Camry Code

1. What does the OBDII code P2135 mean on a 2008 Toyota Camry?

P2135 indicates a voltage correlation issue between the Throttle Position Sensor (TPS) 'A' and 'B,' meaning their signals don’t match as expected.

2. What are the symptoms of code P2135 in a 2008 Toyota Camry?

Common symptoms include reduced engine power (limp mode), hesitation during acceleration, poor throttle response, and the Check Engine Light turning on.

3. What causes the P2135 code to appear on a 2008 Toyota Camry?

The code is typically caused by a faulty throttle position sensor, damaged wiring or connectors, a failing throttle body assembly, or an issue with the Engine Control Module (ECM).

4. Can I drive my 2008 Toyota Camry with the P2135 code?

It’s not recommended to drive with this code as it may lead to unpredictable acceleration, reduced power, and potential safety hazards.

5. How do you diagnose the P2135 code on a 2008 Toyota Camry?

Diagnosis involves using a scan tool to monitor TPS sensor readings, inspecting the wiring and connectors for damage, and testing the throttle body for proper operation.

6. Can cleaning the throttle body fix the P2135 code?

In some cases, cleaning the throttle body can resolve the issue if carbon buildup is causing the sensors to send incorrect signals.

7. How much does it cost to fix the P2135 code on a 2008 Toyota Camry?

Repairs can range from $100 to $700 depending on whether a sensor, wiring repair, or throttle body replacement is needed.

8. Do I need to replace the throttle body if I get a P2135 code on my 2008 Toyota Camry?

Not always. The issue may be with the throttle position sensor, wiring, or connectors, so proper diagnosis is important before replacing the throttle body.

9. Will resetting the Check Engine Light fix the P2135 code?

Resetting the light without addressing the underlying issue will not fix the problem, and the code is likely to return.

10. What tools are needed to fix the P2135 code on a 2008 Toyota Camry?

Tools may include a scan tool, multimeter, throttle body cleaner, and basic hand tools for inspecting and replacing components.

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