AutoCodes – Nissan – P0605 2008 Nissan Maxima

P0605 2008 Nissan Maxima Code - Engine Control Module Fault

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 Maxima indicates Engine Control Module Fault.
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 2,958

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
Cost to Diagnose
FAQs
Comments
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Code P0605 2008 Nissan Maxima 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 Maxima - Engine Control Module Fault - AutoCodes.com — P0605 2008 Nissan Maxima Code - Engine Control Module Fault

What does this mean?

What are the Possible Causes of the DTC P0605 2008 Nissan Maxima?

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 Maxima?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0605 2008 Nissan Maxima 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 Maxima code?

Need more information on how to fix the P0605 2008 Nissan Maxima 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 Maxima Code

1. What does the OBDII code P0605 on a 2008 Nissan Maxima indicate?

The code P0605 indicates a fault in the Engine Control Module (ECM) of the vehicle.

2. What are the common symptoms of an Engine Control Module fault (P0605) in a 2008 Nissan Maxima?

Common symptoms include engine stalling, rough idling, poor acceleration, and difficulty starting the vehicle.

3. What are the possible causes of the P0605 code on a 2008 Nissan Maxima?

Possible causes of the P0605 code include a faulty ECM, damaged wiring or connectors, software issues, or a low battery voltage.

4. How can I diagnose the P0605 code on my 2008 Nissan Maxima?

Diagnosing the P0605 code typically involves using a scan tool to retrieve the code, checking the ECM connections, inspecting the wiring for any damage, and testing the battery voltage.

5. Can I still drive my 2008 Nissan Maxima with an ECM fault (P0605)?

It is not recommended to drive the vehicle with an ECM fault as it can lead to further damage and potential safety hazards. It's best to address the issue promptly.

6. How do I repair the P0605 code on my 2008 Nissan Maxima?

Repairing the P0605 code often involves replacing the ECM if it's determined to be faulty, repairing any damaged wiring or connectors, and ensuring the software is up to date.

7. Is it necessary to reset the ECM after repairing the P0605 fault on a 2008 Nissan Maxima?

Yes, it is recommended to reset the ECM after repairing the P0605 fault to clear the error code and allow the ECM to relearn the vehicle's parameters.

8. Can a DIY enthusiast fix the P0605 code on a 2008 Nissan Maxima?

While some basic diagnostics like checking connections and wiring can be done by a DIY enthusiast, diagnosing and repairing an ECM fault (P0605) may require professional expertise.

9. Will the P0605 code on a 2008 Nissan Maxima cause the Check Engine light to come on?

Yes, the P0605 code will trigger the Check Engine light to illuminate on the dashboard of your 2008 Nissan Maxima.

10. How much does it cost to repair the P0605 code on a 2008 Nissan Maxima?

The cost of repairing the P0605 code can vary depending on the cause of the fault, the need for ECM replacement, and labor costs. It is recommended to consult a mechanic for an accurate estimate.