AutoCodes – Nissan – P1065 2004 Nissan Maxima

P1065 2004 Nissan Maxima Code - ECM Power Supply Circuit

Quick Answer

Battery voltage is supplied to the Engine Control Module (ECM) even when the ignition switch is turned OFF for the ECM memory function of the Diagnostic Trouble Code (DTC) memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness power supply circuit is open or shorted, Engine Control Module harness ground supply 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: P1065 2004 Nissan Maxima indicates ECM Power Supply Circuit.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness power supply circuit is open or shorted, Engine Control Module harness ground supply 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 7,634

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Dec 25, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1065 2004 Nissan Maxima Description

OBDII Code P1065 2004 Nissan Maxima - ECM Power Supply Circuit - AutoCodes.com — P1065 2004 Nissan Maxima Code - ECM Power Supply Circuit

What does this mean?

What are the Possible Causes of the DTC P1065 2004 Nissan Maxima?

Faulty Engine Control Module (ECM)
Engine Control Module harness power supply circuit is open or shorted
Engine Control Module harness ground supply circuit is open or shorted

How to Fix the DTC P1065 2004 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 P1065 2004 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 P1065 2004 Nissan Maxima code?

Need more information on how to fix the P1065 2004 Nissan Maxima 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 P1065 2004 Nissan Maxima Code

1. What does the OBDII code P1065 on a 2004 Nissan Maxima mean?

The code P1065 indicates a problem with the ECM Power Supply Circuit in a 2004 Nissan Maxima.

2. What are the common symptoms of a P1065 code in a 2004 Nissan Maxima?

Common symptoms of a P1065 code may include engine stalling, rough idling, reduced engine performance, and the illumination of the check engine light.

3. What are the possible causes of the ECM Power Supply Circuit issue in a 2004 Nissan Maxima?

Possible causes of a P1065 code in a 2004 Nissan Maxima include a faulty ECM power supply relay, damaged wiring or connectors, or a malfunctioning ECM.

4. How can I diagnose the ECM Power Supply Circuit problem in my 2004 Nissan Maxima?

To diagnose a P1065 code, it is recommended to inspect the ECM power supply relay, check for any damaged wiring or connectors, and perform a thorough scan of the ECM for faults.

5. Can I drive my 2004 Nissan Maxima with a P1065 code?

It is not recommended to drive your 2004 Nissan Maxima with a P1065 code as it can lead to further damage to the engine or other components. It is best to address the issue promptly.

6. How can I repair the ECM Power Supply Circuit issue in my 2004 Nissan Maxima?

Repairing a P1065 code may involve replacing the faulty ECM power supply relay, repairing any damaged wiring or connectors, or replacing the ECM itself if necessary.

7. Is it possible to reset the P1065 code in a 2004 Nissan Maxima without fixing the issue?

While you can clear the code temporarily, it is important to address the underlying issue causing the P1065 code to prevent further problems with your vehicle.

8. How much does it typically cost to repair a P1065 code on a 2004 Nissan Maxima?

The cost of repairing a P1065 code in a 2004 Nissan Maxima can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

9. Can a DIY enthusiast fix the ECM Power Supply Circuit problem in a 2004 Nissan Maxima?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to address a P1065 code by replacing the ECM power supply relay or checking for wiring issues.

10. Will a P1065 code on a 2004 Nissan Maxima affect the vehicle's fuel efficiency?

Yes, a P1065 code can potentially impact the fuel efficiency of a 2004 Nissan Maxima due to engine performance issues associated with the ECM Power Supply Circuit problem.