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P1124 Nissan Code - Throttle Control Motor Relay Circuit Short

Quick Answer

The P1124 Nissan trouble code indicates a problem with the throttle control motor relay circuit. Common causes include Faulty throttle control motor relay, Short circuit in the throttle control motor relay circuit, Corroded or damaged wiring in the relay 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 Nissan indicates Throttle Control Motor Relay Circuit Short.
Common causes
Common causes include Faulty throttle control motor relay, Short circuit in the throttle control motor relay circuit, Corroded or damaged wiring in the relay 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 07, 2024
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Code P1124 Nissan Description

The P1124 Nissan trouble code indicates a problem with the throttle control motor relay circuit. In modern vehicles, the throttle control motor plays a crucial role in managing the engine's air intake and controlling the throttle valve. The throttle control motor relay circuit is responsible for providing power to the throttle control motor, allowing it to operate efficiently.

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

Common Causes of P1124 Nissan

  1. Faulty throttle control motor relay
  2. Short circuit in the throttle control motor relay circuit
  3. Corroded or damaged wiring in the relay circuit
  4. Issues with the ECM programming or software
  5. Electrical system malfunctions

Symptoms of P1124 Nissan

  1. Engine hesitation or lack of response when pressing the accelerator
  2. Rough idling or unstable engine RPM
  3. Reduced fuel efficiency
  4. Illumination of the Check Engine Light
  5. Difficulty maintaining a steady speed while driving

How to Fix P1124 Nissan

  1. Begin by diagnosing the specific cause of the issue by using a diagnostic scanner to retrieve the trouble codes and conducting a thorough inspection of the throttle control motor relay circuit.
  2. Inspect the throttle control motor relay and wiring for any visible damage or corrosion. Replace any faulty components as needed.
  3. Test the throttle control motor relay circuit to ensure proper functionality and continuity. Repair any shorts or open circuits that are identified.
  4. Clear the trouble codes from the ECM memory and reset the system to see if the issue persists.
  5. Test drive the vehicle to confirm that the problem has been resolved and that the throttle control motor is operating correctly.

Cost to Fix P1124 Nissan

The cost of repairing 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. On average, the parts for this repair may range from $50 to $200, while the labor costs could be between $100 and $300. Overall, the total cost of addressing this issue could fall in the range of $150 to $500. It's important to note that these estimates are approximate, and actual costs may differ based on the vehicle's make and model, the location of the repair shop, and other factors. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

When is the Code Detected?

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

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Information for Specific Nissan Models

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.

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