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P2135 2003 Nissan Altima Sedan Code - Throttle Position Sensor Circuit Range/Performance

Quick Answer

The P2135 diagnostic trouble code (DTC) in a 2003 Nissan Altima Sedan indicates a potential issue with the throttle position sensor (TPS) circuit. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the TPS circuit, Electronic throttle control system 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 2003 Nissan Altima Sedan indicates Throttle Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the TPS circuit, Electronic throttle control system 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 17, 2024
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Code P2135 2003 Nissan Altima Sedan Description

The P2135 diagnostic trouble code (DTC) in a 2003 Nissan Altima Sedan indicates a potential issue with the throttle position sensor (TPS) circuit. The throttle position sensor is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). The ECM uses this data to adjust the air-fuel mixture and control the engine's performance.

OBDII Code P2135 2003 Nissan Altima Sedan - Throttle Position Sensor Circuit Range/Performance
P2135 2003 Nissan Altima Sedan Code - Throttle Position Sensor Circuit Range/Performance

Common Causes of P2135 2003 Nissan Altima Sedan

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors in the TPS circuit
  3. Electronic throttle control system malfunction
  4. ECM software issues
  5. Environmental factors such as moisture or corrosion

Symptoms of P2135 2003 Nissan Altima Sedan

  1. Reduced engine power
  2. Rough idling or stalling
  3. Delayed throttle response
  4. Illuminated Check Engine Light
  5. Limp mode activation

How to Fix P2135 2003 Nissan Altima Sedan

  1. Diagnose the issue using a scan tool to confirm the P2135 code and identify the specific cause.
  2. Inspect the wiring harness and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the throttle position sensor using a multimeter to check for proper voltage readings. Replace if faulty.
  4. Check the electronic throttle control system for any malfunctions and address them accordingly.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix P2135 2003 Nissan Altima Sedan

The typical repair costs for addressing a P2135 code in a 2003 Nissan Altima Sedan can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check local rates for a more accurate estimate. Additionally, factors such as location, vehicle make and model, and engine type can also influence the overall repair costs.

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 2003 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P2135 in a 2003 Nissan Altima Sedan?

The common symptoms of code P2135 in a 2003 Nissan Altima Sedan include reduced engine power, hesitation or stalling while driving, and the vehicle going into "limp mode."

2. What does the OBDII code P2135 mean for a 2003 Nissan Altima Sedan?

Code P2135 for a 2003 Nissan Altima Sedan specifically refers to a Throttle Position Sensor Circuit Range/Performance issue.

3. What are the possible causes of OBDII code P2135 in a 2003 Nissan Altima Sedan?

Possible causes of code P2135 in a 2003 Nissan Altima Sedan include a faulty throttle position sensor, damaged wiring or connectors in the throttle position sensor circuit, or a problem with the electronic throttle control system.

4. How can I diagnose the OBDII code P2135 in my 2003 Nissan Altima Sedan?

To diagnose code P2135 in a 2003 Nissan Altima Sedan, you can use an OBDII scanner to read the code, visually inspect the throttle position sensor and its wiring for any visible damage, and perform electrical tests to check the sensor's functionality.

5. Is it safe to drive my 2003 Nissan Altima Sedan with OBDII code P2135?

It is not recommended to drive a 2003 Nissan Altima Sedan with code P2135, as the vehicle may experience performance issues or sudden loss of power while driving, which could be a safety hazard.

6. Can I reset the OBDII code P2135 in my 2003 Nissan Altima Sedan by disconnecting the battery?

While disconnecting the battery may reset the code temporarily, it is not a permanent solution. It is essential to diagnose and repair the underlying issue causing code P2135 to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code P2135 in a 2003 Nissan Altima Sedan?

The cost to repair code P2135 in a 2003 Nissan Altima Sedan can vary depending on the root cause of the issue. It may involve replacing the throttle position sensor, repairing damaged wiring, or addressing problems with the electronic throttle control system.

8. Can a DIY enthusiast fix OBDII code P2135 in a 2003 Nissan Altima Sedan?

If you have the necessary tools, knowledge, and experience working on automotive electrical systems, you may be able to address code P2135 in a 2003 Nissan Altima Sedan as a DIY project. However, if you are unsure, it is best to consult a professional mechanic.

9. Will OBDII code P2135 cause permanent damage to my 2003 Nissan Altima Sedan if left untreated?

Leaving OBDII code P2135 untreated in a 2003 Nissan Altima Sedan can potentially cause further damage to the vehicle's engine or other components over time. It is advisable to address the issue promptly to prevent any long-term consequences.

10. How long does it take to repair OBDII code P2135 in a 2003 Nissan Altima Sedan at a mechanic's shop?

The repair time for code P2135 in a 2003 Nissan Altima Sedan can vary depending on the exact cause of the issue and the shop's workload. In general, it may take a few hours to a full day to diagnose and repair the problem.

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