AutoCodes – Nissan – P0605 2011 Nissan Pathfinder

P0605 2011 Nissan Pathfinder Code - Internal Control Module Random Access Memory Error

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 Pathfinder indicates Internal Control Module Random Access Memory Error.
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 2,510
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0605 2011 Nissan Pathfinder 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 Pathfinder - Internal Control Module Random Access Memory Error - AutoCodes.com
P0605 2011 Nissan Pathfinder Code - Internal Control Module Random Access Memory Error

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

  • 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 Pathfinder?

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 P0605 2011 Nissan Pathfinder 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 Pathfinder 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 2011 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0605 in a 2011 Nissan Pathfinder?

The common symptoms of P0605, which indicates an Internal Control Module Random Access Memory Error, include engine stalling, rough idling, and difficulty starting the vehicle.

2. What are the possible causes of the Internal Control Module Random Access Memory Error (P0605) in a 2011 Nissan Pathfinder?

The main causes of P0605 in a 2011 Nissan Pathfinder can be a faulty ECM (Engine Control Module), issues with the wiring or connections to the ECM, or a software malfunction.

3. How serious is the Internal Control Module Random Access Memory Error (P0605) in a 2011 Nissan Pathfinder?

P0605 can potentially cause drivability issues and affect the overall performance of the vehicle. It is recommended to address this code promptly to prevent further damage.

4. Can I continue to drive my 2011 Nissan Pathfinder with OBDII code P0605?

It is not advisable to drive your vehicle with a P0605 error code as it can lead to potential engine problems and may result in unexpected breakdowns. It is recommended to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose and repair OBDII code P0605 in my 2011 Nissan Pathfinder?

Diagnosing P0605 requires a scan tool to communicate with the ECM and check for any stored fault codes. Repair may involve checking the wiring and connections, replacing the ECM if necessary, or updating the software.

6. Is it possible to reset the OBDII code P0605 in a 2011 Nissan Pathfinder without addressing the underlying issue?

Resetting the code without addressing the underlying problem may temporarily clear the error code, but it is likely to reappear if the root cause is not fixed. It is important to diagnose and repair the issue to prevent further complications.

7. Can a DIY enthusiast fix the Internal Control Module Random Access Memory Error (P0605) in a 2011 Nissan Pathfinder?

While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing P0605 may require advanced tools and expertise. It is recommended to seek professional assistance for accurate diagnosis and proper repair.

8. How much does it typically cost to repair OBDII code P0605 in a 2011 Nissan Pathfinder?

The cost of repairing P0605 can vary depending on the underlying cause, such as replacing the ECM, repairing wiring, or updating software. Costs can range from a few hundred to over a thousand dollars, including parts and labor.

9. Are there any preventive measures to avoid the Internal Control Module Random Access Memory Error (P0605) in a 2011 Nissan Pathfinder?

Regular maintenance, such as checking and cleaning electrical connections, ensuring proper battery voltage, and keeping the ECM software updated, can help prevent issues like P0605 in your Nissan Pathfinder.

10. Can a low battery voltage trigger the Internal Control Module Random Access Memory Error (P0605) in a 2011 Nissan Pathfinder?

Yes, a low or fluctuating battery voltage can sometimes trigger the P0605 error code due to improper voltage supply to the ECM. It is advisable to maintain a healthy battery and charging system to avoid such issues.

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