AutoCodes – Nissan – P0605 2011 Nissan Sentra

P0605 2011 Nissan Sentra 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 2011 Nissan Sentra 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 4,191

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 Sep 02, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0605 2011 Nissan Sentra 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 2011 Nissan Sentra - Engine Control Module Fault - AutoCodes.com — P0605 2011 Nissan Sentra Code - Engine Control Module Fault

What does this mean?

What are the Possible Causes of the DTC P0605 2011 Nissan Sentra?

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 2011 Nissan Sentra?

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 Engine Control Module (ECM) to repair the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0605 2011 Nissan Sentra 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 2011 Nissan Sentra code?

Need more information on how to fix the P0605 2011 Nissan Sentra code? Get Access to Factory Service Manuals

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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 2011 Nissan Sentra Code

1. What is OBDII code P0605 for a 2011 Nissan Sentra?

The OBDII code P0605 in a 2011 Nissan Sentra indicates a malfunction in the Engine Control Module (ECM), also known as the engine computer.

2. What are the common symptoms of an Engine Control Module fault (P0605) in a 2011 Nissan Sentra?

Common symptoms of an ECM fault (P0605) in a 2011 Nissan Sentra include engine stalling, rough idling, poor acceleration, and potential issues with starting the vehicle.

3. What are some possible causes of OBDII code P0605 in a 2011 Nissan Sentra?

Possible causes of the P0605 code in a 2011 Nissan Sentra can include a faulty ECM, a software glitch in the ECM, electrical problems, or issues with the wiring harness connected to the ECM.

4. How do you diagnose an Engine Control Module fault (P0605) in a 2011 Nissan Sentra?

Diagnosing an ECM fault (P0605) in a 2011 Nissan Sentra typically involves using a diagnostic scanner to retrieve the trouble code, checking the ECM's connections, and performing tests to determine if the ECM needs to be replaced.

5. Can a DIY enthusiast repair an OBDII code P0605 in a 2011 Nissan Sentra?

While some basic troubleshooting steps can be taken by a DIY enthusiast, repairing an ECM fault (P0605) in a 2011 Nissan Sentra often requires specialized tools and expertise, so it's recommended to consult a professional mechanic.

6. How much does it cost to repair an Engine Control Module fault (P0605) in a 2011 Nissan Sentra?

The cost of repairing an ECM fault (P0605) in a 2011 Nissan Sentra can vary depending on the exact cause of the issue, but it generally ranges from a few hundred to over a thousand dollars, including parts and labor.

7. Is it safe to continue driving a 2011 Nissan Sentra with OBDII code P0605?

It's not recommended to continue driving a 2011 Nissan Sentra with the P0605 code as it can lead to further damage to the vehicle's engine and other systems. It's best to address the issue promptly to avoid more serious problems.

8. What steps can be taken to prevent OBDII code P0605 in a 2011 Nissan Sentra?

Regular maintenance, such as checking and cleaning electrical connections, ensuring proper battery voltage, and using quality fuel, can help prevent issues like the P0605 code in a 2011 Nissan Sentra.

9. Can a software update fix the Engine Control Module fault (P0605) in a 2011 Nissan Sentra?

In some cases, a software update provided by the manufacturer can resolve an ECM fault (P0605) in a 2011 Nissan Sentra. It's advisable to consult with a Nissan dealership or qualified mechanic for guidance.

10. How long does it take to repair an OBDII code P0605 in a 2011 Nissan Sentra?

The repair time for an ECM fault (P0605) in a 2011 Nissan Sentra can vary depending on the exact cause and the availability of parts. It may take a few hours to a day or more to diagnose and fix the issue.