AutoCodes – Nissan – P0605 2007 Nissan Maxima

P0605 2007 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 2007 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 3,655

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 2007 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 2007 Nissan Maxima - Engine Control Module Fault - AutoCodes.com — P0605 2007 Nissan Maxima Code - Engine Control Module Fault

What does this mean?

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

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

1. What does the OBDII code P0605 mean for a 2007 Nissan Maxima?

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

2. What are the common symptoms of a P0605 ECM fault in a 2007 Nissan Maxima?

Common symptoms include rough idling, poor fuel efficiency, stalling, and issues with starting the vehicle.

3. What are the possible causes of the P0605 ECM fault in a 2007 Nissan Maxima?

Possible causes include a faulty ECM, damaged wiring or connectors, a software malfunction, or a low battery voltage.

4. How can I diagnose a P0605 ECM fault in my 2007 Nissan Maxima?

Diagnosis typically involves using a diagnostic scanner to read the fault code, inspecting the wiring and connectors for damage, and testing the ECM for proper functioning.

5. Can I still drive my 2007 Nissan Maxima with a P0605 ECM fault?

It is not recommended to drive the vehicle with a P0605 code, as it can lead to further damage and potential safety hazards.

6. How can I repair a P0605 ECM fault in my 2007 Nissan Maxima?

Repair options may include replacing the ECM, repairing damaged wiring or connectors, updating the software, or addressing any underlying issues causing the fault.

7. Will resetting the ECM clear the P0605 fault code in my 2007 Nissan Maxima?

Resetting the ECM may temporarily clear the code, but it is essential to diagnose and address the root cause of the fault to prevent it from reoccurring.

8. How much does it cost to repair a P0605 ECM fault in a 2007 Nissan Maxima?

The cost of repairs can vary depending on the specific issue causing the fault, the labor rates in your area, and whether new parts are needed.

9. Can a DIY enthusiast fix a P0605 ECM fault in a 2007 Nissan Maxima?

While some basic diagnostic steps can be performed by DIY enthusiasts, complex repairs or ECM replacement may require specialized tools and expertise.

10. Are there any preventive measures to avoid a P0605 ECM fault in a 2007 Nissan Maxima?

Regular vehicle maintenance, such as checking the battery voltage, ensuring proper wiring connections, and updating software, can help prevent ECM faults like P0605.