AutoCodes – Nissan – P0605 2010 Nissan Altima Sedan

P0605 2010 Nissan Altima Sedan 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 2010 Nissan Altima Sedan 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,467

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0605 2010 Nissan Altima Sedan 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 2010 Nissan Altima Sedan - Engine Control Module Fault - AutoCodes.com — P0605 2010 Nissan Altima Sedan Code - Engine Control Module Fault

What does this mean?

What are the Possible Causes of the DTC P0605 2010 Nissan Altima Sedan?

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 2010 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 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 2010 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 P0605 2010 Nissan Altima Sedan code?

Need more information on how to fix the P0605 2010 Nissan Altima Sedan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0605 2010 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 P0605 2010 Nissan Altima Sedan Code

1. What does OBDII code P0605 mean for my 2010 Nissan Altima Sedan?

The P0605 code indicates a malfunction in the Engine Control Module (ECM) of your vehicle.

2. What are some common symptoms of a P0605 ECM fault in a 2010 Nissan Altima?

Common symptoms include poor engine performance, rough idling, stalling, and difficulty starting the vehicle.

3. What are the possible causes of a P0605 code in a 2010 Nissan Altima Sedan?

The P0605 code can be triggered by issues such as a faulty ECM, damaged wiring, or a software malfunction.

4. How can I diagnose a P0605 ECM fault in my 2010 Nissan Altima Sedan?

Diagnosing a P0605 code typically involves using a diagnostic scanner to retrieve the trouble codes and performing a thorough inspection of the ECM and related components.

5. Can I still drive my 2010 Nissan Altima with a P0605 code?

It is not recommended to drive your vehicle with a P0605 code as it can lead to further damage and potential safety hazards.

6. How can I repair a P0605 ECM fault in my 2010 Nissan Altima Sedan?

Repairing a P0605 code may involve replacing the ECM, repairing damaged wiring, or reprogramming the ECM with updated software.

7. Is it possible to reset a P0605 code in a 2010 Nissan Altima Sedan?

While you can clear the trouble code with a diagnostic scanner, it is important to address the underlying issue causing the P0605 code to prevent it from reoccurring.

8. Can a DIY enthusiast fix a P0605 code in a 2010 Nissan Altima Sedan?

Repairing a P0605 code often requires advanced diagnostic tools and knowledge, so it is recommended to seek assistance from a qualified mechanic.

9. How much does it cost to repair a P0605 code in a 2010 Nissan Altima Sedan?

The cost of repairing a P0605 code can vary depending on the underlying issue, parts needed, and labor costs. It is advisable to get a few quotes from different mechanics.

10. Will a P0605 code cause my 2010 Nissan Altima Sedan to fail an emissions test?

A P0605 code can affect the emissions performance of your vehicle, potentially causing it to fail an emissions test. It is important to address the issue promptly to ensure compliance with emission regulations.