AutoCodes – Nissan – P1126 2005 Nissan Altima Sedan

P1126 2005 Nissan Altima Sedan Code - Throttle Control Motor Relay Circuit Open

Quick Answer

Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via throttle control motor relay. Common causes include Fualty Throttle Control Motor relay, Throttle Control Motor relay harness is open or shorted, Throttle Control Motor relay circuit poor electrical connection. 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
P1126 2005 Nissan Altima Sedan indicates Throttle Control Motor Relay Circuit Open.
Common causes
Common causes include Fualty Throttle Control Motor relay, Throttle Control Motor relay harness is open or shorted, Throttle Control Motor relay circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,908
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 26, 2019
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Code P1126 2005 Nissan Altima Sedan Description

Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.
OBDII Code P1126 2005 Nissan Altima Sedan - Throttle Control Motor Relay Circuit Open - AutoCodes.com
P1126 2005 Nissan Altima Sedan Code - Throttle Control Motor Relay Circuit Open

What are the Possible Causes of the DTC P1126 2005 Nissan Altima Sedan?

  • Fualty Throttle Control Motor relay
  • Throttle Control Motor relay harness is open or shorted
  • Throttle Control Motor relay circuit poor electrical connection

How to Fix the DTC P1126 2005 Nissan Altima Sedan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1126 2005 Nissan Altima Sedan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1126 2005 Nissan Altima Sedan code?

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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 P1126 2005 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P1126 in a 2005 Nissan Altima Sedan?

- Common symptoms include rough idling, reduced engine power, and the vehicle going into "limp mode" where acceleration is limited.

2. What does the OBDII code P1126 "Throttle Control Motor Relay Circuit Open" mean for a 2005 Nissan Altima Sedan?

- This code indicates that there is an open circuit in the throttle control motor relay, causing a malfunction in the throttle control system.

3. What are the possible causes of OBDII code P1126 in a 2005 Nissan Altima Sedan?

- The code may be triggered by a faulty throttle control motor relay, damaged wiring or connectors in the circuit, or a malfunctioning throttle control motor itself.

4. How can I diagnose the cause of OBDII code P1126 in my 2005 Nissan Altima Sedan?

- You can use a multimeter to test the throttle control motor relay, inspect the wiring and connectors for any damage, and check the throttle control motor for proper operation.

5. Is it safe to continue driving my 2005 Nissan Altima Sedan with OBDII code P1126 present?

- It is not recommended to continue driving the vehicle with this code as it can lead to further damage and potential safety hazards due to the throttle control system malfunctioning.

6. Can I repair OBDII code P1126 in my 2005 Nissan Altima Sedan myself?

- Depending on your level of automotive experience, you may be able to repair the issue yourself by replacing the faulty throttle control motor relay, repairing damaged wiring, or replacing the throttle control motor.

7. Are there any temporary fixes or quick solutions for OBDII code P1126 in a 2005 Nissan Altima Sedan?

- Resetting the engine control module (ECM) by disconnecting the battery for a few minutes may temporarily clear the code, but it is not a permanent solution if the underlying issue is not addressed.

8. How much does it typically cost to repair OBDII code P1126 in a 2005 Nissan Altima Sedan at a mechanic or dealership?

- The cost of repairing this code can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Will OBDII code P1126 cause my 2005 Nissan Altima Sedan to fail an emissions test?

- Yes, this code can cause your vehicle to fail an emissions test as it indicates a malfunction in the throttle control system, which can impact emissions performance.

10. Can OBDII code P1126 in a 2005 Nissan Altima Sedan cause long-term damage if left unrepaired?

- Yes, if left unrepaired, the underlying issue causing this code can lead to further damage to the throttle control system and potentially other components, affecting the overall performance and safety of the vehicle.

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