AutoCodes – Nissan – P0605 2008 Nissan Pathfinder

P0605 2008 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 2008 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 2,855

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 2008 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 2008 Nissan Pathfinder - Internal Control Module Random Access Memory Error - AutoCodes.com — P0605 2008 Nissan Pathfinder Code - Internal Control Module Random Access Memory Error

What does this mean?

What are the Possible Causes of the DTC P0605 2008 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 2008 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 2008 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 2008 Nissan Pathfinder code?

Need more information on how to fix the P0605 2008 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the 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 2008 Nissan Pathfinder Code

1. What does the OBDII code P0605 mean on a 2008 Nissan Pathfinder?

P0605 indicates an "Internal Control Module Random Access Memory (RAM) Error," meaning the Engine Control Module (ECM) detected a fault in its RAM.

2. What are the common symptoms of the P0605 code in a 2008 Nissan Pathfinder?

Symptoms may include engine stalling, poor performance, difficulty starting, the Check Engine Light turning on, or the vehicle entering limp mode.

3. What causes the P0605 code to appear in a 2008 Nissan Pathfinder?

Common causes include a faulty ECM, corrupted software, electrical issues like poor wiring or grounding, or interference from aftermarket accessories.

4. Can a P0605 code be fixed by resetting the ECM?

In some cases, clearing the code and updating or reprogramming the ECM software may resolve the issue, but if the ECM is damaged, it will need to be replaced.

5. How do you diagnose the P0605 code on a 2008 Nissan Pathfinder?

Diagnosis involves scanning for additional codes, inspecting wiring and connectors, testing the power supply to the ECM, and verifying ECM functionality using specialized tools.

6. Is it safe to drive a 2008 Nissan Pathfinder with a P0605 code?

Driving with a P0605 code is not recommended, as the vehicle may experience reduced performance, stalling, or safety issues due to potential ECM failure.

7. How much does it cost to repair a P0605 code on a 2008 Nissan Pathfinder?

The cost can vary, but ECM replacement may range from $500 to $1,500, including parts and labor. Reprogramming or fixing wiring issues may cost less.

8. Can a faulty battery cause a P0605 code in a 2008 Nissan Pathfinder?

Yes, a weak or failing battery can cause voltage fluctuations that may trigger the P0605 code in rare cases.

9. Does the P0605 code always mean the ECM is faulty?

No, the code could also result from software corruption, wiring problems, or external electrical interference, so a full diagnosis is essential.

10. Can I fix a P0605 code on my 2008 Nissan Pathfinder myself?

If the issue is minor, such as a loose connection or software update, it may be possible to fix it yourself, but ECM replacement or advanced diagnostics should be handled by a professional.