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P2135 2004 Infiniti G35 Code - Throttle Position Sensor Circuit Range/Performance

Quick Answer

The P2135 code in a 2004 Infiniti G35 indicates a problem with the Throttle Position Sensor (TPS) circuit, specifically relating to its range or performance. Common causes include Faulty Throttle Position Sensor, Wiring or connector issues in the TPS circuit, ECM malfunction. 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 2004 Infiniti G35 indicates Throttle Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty Throttle Position Sensor, Wiring or connector issues in the TPS circuit, ECM malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P2135 2004 Infiniti G35 Description

The P2135 code in a 2004 Infiniti G35 indicates a problem with the Throttle Position Sensor (TPS) circuit, specifically relating to its range or performance. The TPS is a crucial component that monitors the position of the throttle valve and sends signals to the Engine Control Module (ECM) to adjust fuel and air mixture for optimal engine performance. When the TPS circuit is not functioning correctly, it can lead to various issues with the vehicle's performance.

OBDII Code P2135 2004 Infiniti G35 - Throttle Position Sensor Circuit Range/Performance
P2135 2004 Infiniti G35 Code - Throttle Position Sensor Circuit Range/Performance

Common Causes of P2135 2004 Infiniti G35

  1. Faulty Throttle Position Sensor
  2. Wiring or connector issues in the TPS circuit
  3. ECM malfunction
  4. Mechanical issues with the throttle body
  5. Environmental factors such as moisture or corrosion affecting connections

Symptoms of P2135 2004 Infiniti G35

  1. Erratic throttle response
  2. Engine stalling or rough idle
  3. Reduced engine power
  4. Illumination of the Check Engine Light
  5. Difficulty accelerating or maintaining speed

How to Fix P2135 2004 Infiniti G35

  1. Begin by verifying the P2135 code with a diagnostic scan tool to confirm the TPS circuit issue.
  2. Inspect the wiring and connectors related to the TPS for any signs of damage, corrosion, or loose connections.
  3. Test the Throttle Position Sensor using a multimeter to check for proper voltage readings and signal response.
  4. If the TPS is faulty, replace it with a new sensor and recalibrate as necessary.
  5. Clear the code and perform a test drive to ensure the issue has been resolved.

Cost to Fix P2135 2004 Infiniti G35

The cost estimate for repairing a P2135 code in a 2004 Infiniti G35 can vary depending on the specific cause of the issue. Typically, the cost of a new Throttle Position Sensor ranges from $50 to $150, with additional costs for labor and diagnostic fees. Overall, the repair for this code could range from $150 to $400, including parts and labor. However, it's important to note that prices can vary based on location, shop rates, and the extent of the repair needed. It's recommended to consult with a professional mechanic for a more accurate estimate based on your vehicle's specific circumstances.

When is the Code Detected?

The code P2135 is set when the and incorrect voltage is sent to the Engine Control Module (ECM) compared with the signals from Throttle Position (TP) sensor 1 and Throttle Position (TP) sensor 2

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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 2004 Infiniti G35 Code

1. What are common symptoms of OBDII code P2135 on a 2004 Infiniti G35?

- Common symptoms include reduced engine power, hesitation or surging during acceleration, and the vehicle going into limp mode.

2. What does OBDII code P2135 indicate on a 2004 Infiniti G35?

- OBDII code P2135 indicates an issue with the Throttle Position Sensor (TPS) circuit range or performance.

3. What are possible causes of OBDII code P2135 on a 2004 Infiniti G35?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors in the TPS circuit, or a problem with the electronic throttle control system.

4. How can I diagnose the Throttle Position Sensor on a 2004 Infiniti G35 with code P2135?

- Diagnose the TPS by checking the sensor's voltage output using a multimeter, inspecting the wiring and connectors for damage, and performing a thorough visual inspection of the throttle body assembly.

5. Can a dirty throttle body cause OBDII code P2135 on a 2004 Infiniti G35?

- Yes, a dirty throttle body can cause erratic readings from the throttle position sensor, leading to OBDII code P2135. Cleaning the throttle body may help resolve the issue.

6. How can I repair OBDII code P2135 on a 2004 Infiniti G35?

- Repair options include replacing the throttle position sensor, repairing any damaged wiring or connectors, and resetting the electronic throttle control system.

7. Can driving with OBDII code P2135 on a 2004 Infiniti G35 cause further damage?

- Continuing to drive with code P2135 can potentially cause damage to other components of the electronic throttle control system or lead to more severe drivability issues.

8. Is it safe to reset the OBDII code P2135 on a 2004 Infiniti G35 and continue driving?

- It is not recommended to reset the code and continue driving without addressing the underlying issue, as it may lead to unsafe driving conditions or further damage to the vehicle.

9. How much does it typically cost to repair OBDII code P2135 on a 2004 Infiniti G35?

- The cost of repairing OBDII code P2135 can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.

10. Can a DIY enthusiast fix OBDII code P2135 on a 2004 Infiniti G35?

- Depending on the level of expertise and access to tools, a DIY enthusiast may be able to diagnose and repair OBDII code P2135 by following manufacturer-specific repair guides and instructions.

Discuss the causes and fixes for P2135 2004 Infiniti G35 OBDII Code

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  • i have a infiniti g35x had cruise set at 75 slip vdc and check engine soon lights came on the car has lost all power,,it did not stall it starts fine,,tried to wipe the codes but to no avil,,,code 2135 keeps popping up which is the TPS before i go buy this piece anyone have any other ideas of what it could be?

    Reply to Comment

  • You could start by cleaning the throttle body. Instructions video here: http://infinitihelp.com/diy...

    Reply to Comment

  • thanks but i went ahead and replaced the THROTTLE BODY assembly and reprogrammed the car,,run perfect now,, was an easy fix, the TB was $117.00 it has also increased the fuel economy of the car

    Reply to Comment