AutoCodes – Infiniti – P1126 2005 Infiniti G35

P1126 2005 Infiniti G35 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 Infiniti G35 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 4,314
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 26, 2019
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P1126 2005 Infiniti G35 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 Infiniti G35 - Throttle Control Motor Relay Circuit Open - AutoCodes.com
P1126 2005 Infiniti G35 Code - Throttle Control Motor Relay Circuit Open

What are the Possible Causes of the DTC P1126 2005 Infiniti G35?

  • 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 Infiniti G35?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1126 2005 Infiniti G35 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 Infiniti G35 code?

Need more information on how to fix the P1126 2005 Infiniti G35 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1126 2005 Infiniti G35 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 P1126 2005 Infiniti G35 Code

1. What does the OBDII code P1126 mean on a 2005 Infiniti G35?

P1126 indicates an issue with the throttle control motor relay circuit, specifically an open circuit or failure in its operation.

2. What are the common symptoms of P1126 in a 2005 Infiniti G35?

Symptoms may include reduced engine performance, the inability to accelerate, poor throttle response, or the engine going into "limp mode."

3. What causes the P1126 code on a 2005 Infiniti G35?

Common causes include a faulty throttle control motor relay, damaged wiring or connectors in the relay circuit, or a malfunctioning throttle body.

4. Can a dirty throttle body cause the P1126 code?

A dirty throttle body is unlikely to directly cause P1126, but it can contribute to throttle-related issues. The code is more commonly caused by electrical or relay problems.

5. How do you diagnose the P1126 code on a 2005 Infiniti G35?

Diagnosis typically involves checking the throttle control motor relay, inspecting wiring and connectors for damage, and testing the relay circuit with a multimeter.

6. Can driving with the P1126 code damage my 2005 Infiniti G35?

Driving with this code can lead to reduced performance and may cause unsafe driving conditions. Prolonged driving without fixing the issue can also strain related components.

7. How do you fix the P1126 code on a 2005 Infiniti G35?

Repairs may include replacing the throttle control motor relay, repairing or replacing damaged wiring or connectors, or replacing the throttle body if necessary.

8. Is the throttle control motor relay easy to replace on a 2005 Infiniti G35?

Replacing the relay is generally straightforward, but accessing it may require removing certain components depending on its location.

9. Can a failing ECM cause the P1126 code on a 2005 Infiniti G35?

While rare, a malfunctioning engine control module (ECM) could potentially cause the P1126 code if it fails to properly control the throttle motor relay circuit.

10. How much does it cost to repair the P1126 code on a 2005 Infiniti G35?

Repair costs vary but typically range from $100 to $500, depending on whether the issue is with the relay, wiring, or throttle body. Labor costs can add to the total if professional help is required.

Discuss the causes and fixes for P1126 2005 Infiniti G35 OBDII Code

Code P1126 2005 Infiniti G35 comments

No comments found for this page.

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