AutoCodes – Nissan – P0605 2007 Nissan Pathfinder

P0605 2007 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 2007 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 3,382

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 2007 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 2007 Nissan Pathfinder - Internal Control Module Random Access Memory Error - AutoCodes.com — P0605 2007 Nissan Pathfinder Code - Internal Control Module Random Access Memory Error

What does this mean?

What are the Possible Causes of the DTC P0605 2007 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 2007 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 2007 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 2007 Nissan Pathfinder code?

Need more information on how to fix the P0605 2007 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 2007 Nissan Pathfinder Code

1. What does the OBDII code P0605 mean on a 2007 Nissan Pathfinder?

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

2. What are the common symptoms of code P0605 in a 2007 Nissan Pathfinder?

Symptoms may include the Check Engine Light turning on, poor engine performance, stalling, hesitation while accelerating, or difficulty starting the vehicle.

3. What causes the P0605 code in a 2007 Nissan Pathfinder?

Common causes include a faulty ECM, corrupted software, poor electrical connections, or issues with the vehicle's power supply to the ECM.

4. Can I drive my 2007 Nissan Pathfinder with a P0605 code?

Driving with a P0605 code is not recommended as it can lead to unpredictable performance, stalling, or safety issues if the ECM fails further.

5. How is the P0605 code diagnosed in a 2007 Nissan Pathfinder?

A mechanic will use a scan tool to verify the code, inspect the ECM for damage, check for loose or corroded connections, and test the power and ground circuits to the ECM.

6. What repairs can fix the P0605 code on a 2007 Nissan Pathfinder?

Repairs might include reprogramming or updating the ECM software, repairing or replacing damaged wiring or connectors, or replacing the ECM if it's determined to be faulty.

7. How much does it cost to fix the P0605 code on a 2007 Nissan Pathfinder?

The cost varies depending on the repair. ECM reprogramming may cost $100-$200, while ECM replacement can range from $500 to $1,500, including parts and labor.

8. Can a dead battery cause the P0605 code in a 2007 Nissan Pathfinder?

Yes, a dead or weak battery can cause voltage drops that might corrupt the ECM's memory, potentially triggering the P0605 code.

9. Does the P0605 code always mean the ECM is bad on a 2007 Nissan Pathfinder?

No, the ECM itself may not be faulty. The issue could stem from wiring problems, corrupted software, or power supply issues.

10. How can I prevent the P0605 code from reoccurring in my 2007 Nissan Pathfinder?

Regularly check and maintain the vehicle's electrical system, keep the battery in good condition, and ensure software updates are performed when recommended.