AutoCodes – Infiniti – P0605 2005 Infiniti G35

P0605 2005 Infiniti G35 Code - Engine Control Module Fault

Quick Answer

The Engine Control Module (ECM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. Common causes include Engine Control Module (ECM) may be faulty, ECM harness power supply circuit is open or shorted, ECM harness ground circuit is open or shorted. 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: P0605 2005 Infiniti G35 indicates Engine Control Module Fault.
Common causes: Common causes include Engine Control Module (ECM) may be faulty, ECM harness power supply circuit is open or shorted, ECM harness ground circuit is open or shorted.
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.

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Code Popularity 3,281

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 22, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0605 2005 Infiniti G35 Description

The Engine Control Module (ECM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check insures that the ECM is functioning properly. If any malfunction is detected, the ECM sets the P0605 code and illuminates the MIL.

OBDII Code P0605 2005 Infiniti G35 - Engine Control Module Fault - AutoCodes.com — P0605 2005 Infiniti G35 Code - Engine Control Module Fault

What does this mean?

What are the Possible Causes of the DTC P0605 2005 Infiniti G35?

Engine Control Module (ECM) may be faulty
ECM harness power supply circuit is open or shorted
ECM harness ground circuit is open or shorted

How to Fix the DTC P0605 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.

What does this mean?

Code Tech Notes

Try erasing the code first, if the light comes back ON you may have to replace the ECM to repair the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0605 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 P0605 2005 Infiniti G35 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 P0605 2005 Infiniti G35 Code

1. What does OBDII code P0605 mean on a 2005 Infiniti G35?

The OBDII code P0605 on a 2005 Infiniti G35 indicates a fault in the Engine Control Module (ECM).

2. What are common symptoms of a P0605 ECM fault in a 2005 Infiniti G35?

Common symptoms of a P0605 ECM fault may include engine stalling, rough idling, poor acceleration, and issues with starting the vehicle.

3. What are possible causes of the P0605 code in a 2005 Infiniti G35?

Possible causes of the P0605 code in a 2005 Infiniti G35 include a faulty ECM, a software issue within the ECM, or a wiring/connection problem.

4. How can I diagnose a P0605 ECM fault in my 2005 Infiniti G35?

Diagnosing a P0605 ECM fault typically involves using a diagnostic scanner to read the code, checking for any other related codes, and performing a thorough inspection of the ECM and its connections.

5. Can a P0605 ECM fault be repaired or reset in a 2005 Infiniti G35?

In some cases, a P0605 ECM fault can be repaired by reprogramming or replacing the ECM. However, it is important to address any underlying issues that may have caused the fault.

6. Is it safe to continue driving with a P0605 ECM fault in a 2005 Infiniti G35?

It is not recommended to drive with a P0605 ECM fault as it can lead to further damage to the vehicle and potentially compromise your safety on the road.

7. How much does it cost to repair a P0605 ECM fault in a 2005 Infiniti G35?

The cost of repairing a P0605 ECM fault can vary depending on the underlying issue and the specific repair needed. It is best to consult with a mechanic for an accurate estimate.

8. Can a DIY enthusiast fix a P0605 ECM fault in a 2005 Infiniti G35?

While some simple ECM-related issues can be addressed by DIY enthusiasts, diagnosing and repairing a P0605 ECM fault may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

9. Will a P0605 code cause a 2005 Infiniti G35 to fail an emissions test?

Yes, a P0605 code can cause a 2005 Infiniti G35 to fail an emissions test as it indicates a fault in the ECM, which plays a crucial role in the vehicle's emissions control system.

10. How can I prevent a P0605 ECM fault from occurring in my 2005 Infiniti G35?

To prevent a P0605 ECM fault, it is important to maintain your vehicle regularly, address any warning signs promptly, and avoid any actions that could potentially damage the ECM, such as jump-starting the vehicle incorrectly.