AutoCodes – Nissan – P0605 2009 Nissan Pathfinder

P0605 2009 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 2009 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 2,786

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 2009 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 2009 Nissan Pathfinder - Internal Control Module Random Access Memory Error - AutoCodes.com — P0605 2009 Nissan Pathfinder Code - Internal Control Module Random Access Memory Error

What does this mean?

What are the Possible Causes of the DTC P0605 2009 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 2009 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 2009 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 2009 Nissan Pathfinder code?

Need more information on how to fix the P0605 2009 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 2009 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P0605 in a 2009 Nissan Pathfinder?

The common symptoms of code P0605 in a 2009 Nissan Pathfinder include rough idling, stalling, poor engine performance, and the illumination of the Check Engine light.

2. What does the OBDII code P0605 mean for a 2009 Nissan Pathfinder?

OBDII code P0605 for a 2009 Nissan Pathfinder indicates an Internal Control Module Random Access Memory (RAM) Error.

3. What are the possible causes of OBDII code P0605 in a 2009 Nissan Pathfinder?

The possible causes of code P0605 in a 2009 Nissan Pathfinder include a faulty Engine Control Module (ECM), damaged wiring or connectors, or issues with the power supply to the ECM.

4. How can I diagnose OBDII code P0605 in my 2009 Nissan Pathfinder?

Diagnosing code P0605 in a 2009 Nissan Pathfinder typically involves using an OBDII scanner to retrieve the fault code, inspecting the ECM and related wiring for damage, and checking the power supply to the ECM.

5. Can OBDII code P0605 in a 2009 Nissan Pathfinder be fixed without professional help?

Fixing OBDII code P0605 in a 2009 Nissan Pathfinder may require advanced diagnostic tools and expertise. It is recommended to seek professional help to accurately diagnose and repair the issue.

6. Is it safe to continue driving with OBDII code P0605 in a 2009 Nissan Pathfinder?

It is not recommended to drive a vehicle with an unresolved OBDII code P0605, as it can lead to further engine performance issues and potential damage. Seek professional assistance to address the problem promptly.

7. How much does it typically cost to repair OBDII code P0605 in a 2009 Nissan Pathfinder?

The cost of repairing OBDII code P0605 in a 2009 Nissan Pathfinder can vary depending on the underlying cause of the issue. It is advisable to consult a mechanic for an accurate cost estimate.

8. Are there any DIY repair tips for addressing OBDII code P0605 in a 2009 Nissan Pathfinder?

DIY repair for OBDII code P0605 in a 2009 Nissan Pathfinder is not recommended due to the complexity of the issue. It is best to leave the diagnosis and repair to a qualified mechanic.

9. Can a low battery voltage cause OBDII code P0605 in a 2009 Nissan Pathfinder?

Yes, a low battery voltage can potentially trigger OBDII code P0605 in a 2009 Nissan Pathfinder. It is essential to ensure the vehicle's battery is in good condition and properly charged.

10. Will resetting the ECM clear OBDII code P0605 in a 2009 Nissan Pathfinder?

Resetting the ECM may temporarily clear OBDII code P0605 in a 2009 Nissan Pathfinder, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem.