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Engine-Codes – Nissan – P1124 2002 Nissan Altima Sedan

P1124 2002 Nissan Altima Sedan Code - Throttle Control Motor Relay Circuit Short

Quick Answer

The P1124 diagnostic trouble code (DTC) for a 2002 Nissan Altima Sedan indicates a problem with the Throttle Control Motor Relay Circuit Short. Common causes include Damaged wiring in the throttle control motor relay circuit, Faulty throttle control motor relay, Malfunctioning throttle control motor. 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
P1124 2002 Nissan Altima Sedan indicates Throttle Control Motor Relay Circuit Short.
Common causes
Common causes include Damaged wiring in the throttle control motor relay circuit, Faulty throttle control motor relay, Malfunctioning throttle control motor.
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 P1124 2002 Nissan Altima Sedan Description

The P1124 diagnostic trouble code (DTC) for a 2002 Nissan Altima Sedan indicates a problem with the Throttle Control Motor Relay Circuit Short. This code is specifically related to the throttle control system in the vehicle. The throttle control motor relay is responsible for controlling the operation of the throttle control motor, which regulates the airflow into the engine. When this circuit experiences a short, it can lead to issues with the throttle control system, affecting the vehicle's performance.

OBDII Code P1124 2002 Nissan Altima Sedan - Throttle Control Motor Relay Circuit Short
P1124 2002 Nissan Altima Sedan Code - Throttle Control Motor Relay Circuit Short

Common Causes of P1124 2002 Nissan Altima Sedan

  1. Damaged wiring in the throttle control motor relay circuit
  2. Faulty throttle control motor relay
  3. Malfunctioning throttle control motor
  4. Issues with the engine control module (ECM)
  5. Corrosion or loose connections in the circuit

Symptoms of P1124 2002 Nissan Altima Sedan

  1. Lack of response from the accelerator pedal
  2. Poor acceleration
  3. Stalling or engine hesitation
  4. Rough idling
  5. Difficulty maintaining a consistent speed

How to Fix P1124 2002 Nissan Altima Sedan

  1. Begin by conducting a thorough inspection of the throttle control motor relay circuit, checking for any visible damage or loose connections.
  2. Test the throttle control motor relay using a multimeter to determine if it is functioning correctly.
  3. Inspect the throttle control motor for any signs of damage or malfunction.
  4. Check the wiring in the circuit for any corrosion, breaks, or shorts, and repair or replace as necessary.
  5. Clear the diagnostic trouble codes from the vehicle's ECM and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1124 2002 Nissan Altima Sedan

The cost of repairing a P1124 code on a 2002 Nissan Altima Sedan can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 and $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain a few quotes from different shops to get a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

When is the Code Detected?

Engine Control Module (ECM) detect the throttle control motor relay is stuck ON.

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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 P1124 2002 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P1124 in a 2002 Nissan Altima Sedan?

The common symptoms include rough idling, engine stalling, lack of power, and the vehicle going into "limp mode."

2. What does the OBDII code P1124 for a 2002 Nissan Altima Sedan indicate?

Code P1124 indicates a Throttle Control Motor Relay Circuit Short in the vehicle's electronic throttle control system.

3. What are the possible causes of OBDII code P1124 in a 2002 Nissan Altima Sedan?

Possible causes include a faulty throttle control motor relay, damaged wiring or connectors in the circuit, or issues with the electronic throttle control motor itself.

4. How can I diagnose the cause of OBDII code P1124 in my 2002 Nissan Altima Sedan?

You can diagnose the issue by inspecting the throttle control motor relay, checking the wiring and connectors for damage, and testing the electronic throttle control motor for proper operation.

5. Can I continue driving my 2002 Nissan Altima Sedan with OBDII code P1124?

It is not recommended to drive the vehicle with code P1124 as it can lead to further damage and safety hazards. It's best to address the issue promptly.

6. How can I repair OBDII code P1124 in my 2002 Nissan Altima Sedan?

Repair options include replacing the throttle control motor relay, repairing any damaged wiring or connectors, or replacing the electronic throttle control motor if necessary.

7. Will resetting the OBDII code P1124 in my 2002 Nissan Altima Sedan make it go away permanently?

Simply resetting the code may temporarily clear the warning light, but the underlying issue causing the code will persist until properly diagnosed and repaired.

8. Can a DIY enthusiast fix OBDII code P1124 in a 2002 Nissan Altima Sedan?

Depending on your skill level and access to tools, you may be able to fix the issue yourself by following repair guides or seeking assistance from automotive forums.

9. How much does it cost to repair OBDII code P1124 in a 2002 Nissan Altima Sedan?

The cost of repair can vary based on the specific cause of the code and whether you choose to do the repair yourself or take the vehicle to a professional mechanic.

10. Are there any preventive measures to avoid OBDII code P1124 in a 2002 Nissan Altima Sedan?

Regular maintenance, such as checking the throttle control system components and keeping the vehicle's electrical system in good condition, can help prevent issues leading to code P1124.

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