AutoCodes – Nissan – P0605 2010 Nissan Pathfinder

P0605 2010 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 2010 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 3,093

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 2010 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 2010 Nissan Pathfinder - Internal Control Module Random Access Memory Error - AutoCodes.com — P0605 2010 Nissan Pathfinder Code - Internal Control Module Random Access Memory Error

What does this mean?

What are the Possible Causes of the DTC P0605 2010 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 2010 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.

What does this mean?

Code Tech Notes

Check the ECM fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogram or replaced the ECM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0605 2010 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 2010 Nissan Pathfinder code?

Need more information on how to fix the P0605 2010 Nissan Pathfinder 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 2010 Nissan Pathfinder Code

1. What does the OBDII code P0605 mean on a 2010 Nissan Pathfinder?

P0605 indicates an "Internal Control Module Random Access Memory (RAM) Error," meaning the Engine Control Module (ECM) has detected an issue with its internal memory.

2. What are the symptoms of a P0605 code in a 2010 Nissan Pathfinder?

Common symptoms include poor engine performance, stalling, difficulty starting, reduced fuel efficiency, and the Check Engine Light illuminating.

3. What causes the P0605 code to appear in a 2010 Nissan Pathfinder?

The code can be triggered by a faulty ECM, corrupt software, electrical issues such as bad wiring or connections, or a voltage supply problem.

4. Can I drive my 2010 Nissan Pathfinder with a P0605 code?

Itâ€™s not recommended to drive with this code, as it can lead to erratic engine performance, potential stalling, or further damage to the ECM.

5. How do I fix the P0605 code on a 2010 Nissan Pathfinder?

Start by inspecting and repairing damaged wiring or poor connections to the ECM. If the issue persists, the ECM may need reprogramming or replacement.

6. How much does it cost to fix a P0605 code on a 2010 Nissan Pathfinder?

Repair costs vary but may range from $100 for wiring repairs to $1,000+ if the ECM needs replacement and programming.

7. Can a weak battery cause the P0605 code on a 2010 Nissan Pathfinder?

Yes, a weak or failing battery can create voltage issues that affect the ECM, potentially triggering the P0605 code.

8. Will resetting the Check Engine Light clear the P0605 code?

Clearing the code without addressing the root cause will only temporarily remove it. The issue must be resolved to prevent the code from returning.

9. How can I diagnose the P0605 code on my 2010 Nissan Pathfinder?

Use an OBDII scanner to confirm the code, inspect the ECM for physical damage, check wiring and connectors, and test the vehicleâ€™s battery and charging system.

10. Does the P0605 code mean the ECM is completely failed?

Not necessarily. While it could indicate ECM failure, it may also result from software issues, electrical faults, or other related problems that can sometimes be repaired.