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Engine-Codes – Nissan – P1124 2005 Nissan Maxima

P1124 2005 Nissan Maxima Code - Throttle Control Motor Relay Circuit Short

Quick Answer

The P1124 diagnostic trouble code (DTC) for a 2005 Nissan Maxima indicates a Throttle Control Motor Relay Circuit Short. Common causes include Faulty throttle control motor relay, Short circuit in the wiring harness, Corrosion or loose connections in the circuit. 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 2005 Nissan Maxima indicates Throttle Control Motor Relay Circuit Short.
Common causes
Common causes include Faulty throttle control motor relay, Short circuit in the wiring harness, Corrosion or loose connections in the circuit.
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 2005 Nissan Maxima Description

The P1124 diagnostic trouble code (DTC) for a 2005 Nissan Maxima indicates a Throttle Control Motor Relay Circuit Short. This code is related to the throttle control system in the vehicle, specifically the motor relay circuit. The throttle control motor relay is responsible for controlling the operation of the throttle control motor, which adjusts the throttle valve opening angle based on signals from the engine control module (ECM). A short in the circuit can disrupt the communication between the ECM and the throttle control motor, leading to potential performance issues.

OBDII Code P1124 2005 Nissan Maxima - Throttle Control Motor Relay Circuit Short
P1124 2005 Nissan Maxima Code - Throttle Control Motor Relay Circuit Short

Common Causes of P1124 2005 Nissan Maxima

  1. Faulty throttle control motor relay
  2. Short circuit in the wiring harness
  3. Corrosion or loose connections in the circuit
  4. ECM malfunction
  5. Electrical issues within the throttle control system

Symptoms of P1124 2005 Nissan Maxima

  1. Rough idling or stalling
  2. Reduced acceleration or lack of response
  3. Check Engine Light illuminated
  4. Difficulty starting the vehicle
  5. Reduced fuel efficiency

How to Fix P1124 2005 Nissan Maxima

  1. Diagnose the issue by using a scan tool to retrieve the DTC and inspecting the throttle control motor relay circuit for any visible damage.
  2. Test the throttle control motor relay and wiring harness for continuity and proper operation.
  3. Replace the faulty throttle control motor relay if necessary.
  4. Repair any damaged wiring or connections in the circuit.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1124 2005 Nissan Maxima

The typical repair costs for addressing a Throttle Control Motor Relay Circuit Short can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for a throttle control motor relay ranges from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost for this issue may fall between $150 and $350. It's important to note that these estimates are approximate and actual costs may vary based on factors such as location, labor rates, and the availability of parts. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on your specific vehicle and situation.

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 2005 Nissan Maxima Code

1. What are the common symptoms of OBDII code P1124 on a 2005 Nissan Maxima?

Symptoms may include engine hesitation, stalling, or loss of power, as well as the Check Engine Light being illuminated.

2. What does the OBDII code P1124 on a 2005 Nissan Maxima indicate?

This code specifically points to an issue with the Throttle Control Motor Relay Circuit Short.

3. What are some possible causes of the Throttle Control Motor Relay Circuit Short in a 2005 Nissan Maxima?

Causes can include a faulty throttle control motor relay, damaged wiring or connectors, or a malfunctioning throttle control motor.

4. How can I diagnose the Throttle Control Motor Relay Circuit Short on my 2005 Nissan Maxima?

Diagnosis typically involves inspecting the wiring and connectors for damage, testing the throttle control motor relay, and checking the throttle control motor for proper function.

5. Is it safe to continue driving my 2005 Nissan Maxima with OBDII code P1124 active?

It is not recommended to drive the vehicle with this code active, as it can lead to potential safety hazards or further damage to the engine components.

6. Can I repair the Throttle Control Motor Relay Circuit Short on my 2005 Nissan Maxima myself?

Depending on your experience and comfort level with automotive repairs, you may be able to address the issue yourself by replacing the faulty components or repairing the wiring.

7. How much does it typically cost to repair OBDII code P1124 on a 2005 Nissan Maxima?

The cost of repairs can vary depending on the exact cause of the issue, but it may involve expenses for parts and labor at a repair shop.

8. Will resetting the OBDII code P1124 on my 2005 Nissan Maxima make it go away permanently?

Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue is not addressed, the code is likely to reappear.

9. Are there any preventive maintenance steps I can take to avoid OBDII code P1124 on my 2005 Nissan Maxima?

Regularly inspecting the throttle control system, keeping up with routine maintenance, and addressing any issues promptly can help prevent this code from appearing.

10. Can OBDII code P1124 on a 2005 Nissan Maxima cause long-term damage if left unrepaired?

Continued driving with this code active can potentially cause damage to other engine components, so it's advisable to address the issue promptly to prevent further problems.

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