Engine-Codes.com
Engine-Codes – Nissan – P1124 2004 Nissan Altima Sedan

P1124 2004 Nissan Altima Sedan Code - Throttle Control Motor Relay Circuit Short

Quick Answer

The P1124 code for a 2004 Nissan Altima Sedan indicates a Throttle Control Motor Relay Circuit Short. Common causes include Faulty throttle control motor relay, Short circuit in the wiring harness connected to the throttle control motor relay, 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 2004 Nissan Altima Sedan indicates Throttle Control Motor Relay Circuit Short.
Common causes
Common causes include Faulty throttle control motor relay, Short circuit in the wiring harness connected to the throttle control motor relay, 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 05, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1124 2004 Nissan Altima Sedan Description

The P1124 code for a 2004 Nissan Altima Sedan indicates a Throttle Control Motor Relay Circuit Short. This means there is a problem with the circuit that controls the throttle control motor relay, which is responsible for regulating the throttle position in the vehicle. The throttle control motor relay is essential for the proper functioning of the throttle system, which controls the amount of air entering the engine and ultimately affects performance. A short circuit in this circuit can lead to erratic throttle response, poor acceleration, and even stalling of the engine.

OBDII Code P1124 2004 Nissan Altima Sedan - Throttle Control Motor Relay Circuit Short
P1124 2004 Nissan Altima Sedan Code - Throttle Control Motor Relay Circuit Short

Common Causes of P1124 2004 Nissan Altima Sedan

  1. Faulty throttle control motor relay.
  2. Short circuit in the wiring harness connected to the throttle control motor relay.
  3. Corrosion or loose connections in the circuit.
  4. Water or moisture damage affecting the relay circuit.
  5. Electrical issues in the vehicle's system.

Symptoms of P1124 2004 Nissan Altima Sedan

  1. Engine stalling or hesitation during acceleration.
  2. Reduced engine power or lack of response when pressing the gas pedal.
  3. Check Engine Light illuminated on the dashboard.
  4. Rough idling or uneven engine performance.
  5. Difficulty maintaining a consistent speed while driving.

How to Fix P1124 2004 Nissan Altima Sedan

  1. Begin by diagnosing the specific cause of the short circuit in the throttle control motor relay circuit using a diagnostic scanner.
  2. Inspect the wiring harness for any visible signs of damage, corrosion, or loose connections. Replace or repair any affected wires.
  3. Check the throttle control motor relay for functionality and replace it if necessary.
  4. Clear the diagnostic trouble codes from the vehicle's system and reset the Check Engine Light.
  5. Test drive the vehicle to ensure the issue has been resolved and that the throttle response is back to normal.

Cost to Fix P1124 2004 Nissan Altima Sedan

The typical repair costs for addressing a P1124 code on a 2004 Nissan Altima Sedan can range from $150 to $400. This estimate includes the cost of parts such as a new throttle control motor relay, wiring harness repairs, and labor charges. Keep in mind that the specific diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate. Labor rates generally range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas.

When is the Code Detected?

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

Need more information about the P1124 2004 Nissan Altima Sedan code?

Need more information on how to fix the P1124 2004 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1124 2004 Nissan Altima Sedan code diagnosed by a professional: Find a repair shop in your area

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 2004 Nissan Altima Sedan Code

1. What does the OBDII code P1124 mean on a 2004 Nissan Altima?

The P1124 code indicates a problem with the throttle control motor relay circuit, specifically a short that disrupts the motor's operation.

2. What are the common symptoms of code P1124 on a 2004 Nissan Altima?

Symptoms include poor acceleration, reduced engine power, unstable idle, and possible activation of the Check Engine Light.

3. What causes the P1124 code to appear on a 2004 Nissan Altima?

The code is often triggered by a short circuit in the throttle control motor relay, damaged wiring, a failing relay, or a malfunctioning throttle body.

4. Can I drive my 2004 Nissan Altima with a P1124 code?

While the car may still run, driving with a P1124 code can lead to reduced performance and potential engine damage. It’s best to address the issue promptly.

5. How do I diagnose a P1124 code on my 2004 Nissan Altima?

Start by inspecting the throttle control motor relay, its wiring, and connectors for damage or shorts. Then, use a multimeter to test the relay’s functionality.

6. What repairs are typically needed for a P1124 code on a 2004 Nissan Altima?

Repairs may involve replacing the throttle control motor relay, repairing damaged wiring, or replacing the throttle body assembly if it's faulty.

7. How much does it cost to fix the P1124 code on a 2004 Nissan Altima?

Repair costs can vary but typically range from $100 to $500 depending on whether the issue is with the relay, wiring, or throttle body.

8. Can a dirty throttle body cause the P1124 code?

While not a direct cause, a dirty throttle body can exacerbate throttle control issues. Cleaning it may help but won’t resolve a short circuit.

9. Does the P1124 code always require replacing the throttle control motor relay?

Not always. The issue could also be with the wiring or the throttle body itself, so proper diagnosis is critical before replacing parts.

10. Can I reset the P1124 code without fixing the problem?

You can clear the code with an OBDII scanner, but it will likely return unless the underlying issue is resolved.

Discuss the causes and fixes for P1124 2004 Nissan Altima Sedan OBDII Code

Submit a New Comment

Code P1124 2004 Nissan Altima Sedan comments

No comments found for this page.