AutoCodes – Nissan – P0603 2011 Nissan Rogue

P0603 2011 Nissan Rogue Code - Engine Control Module 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 DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc. Common causes include Loose or poor battery terminal connection, Low battery charge, Faulty Engine Control Module (ECM). 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: P0603 2011 Nissan Rogue indicates Engine Control Module Power Supply Circuit.
Common causes: Common causes include Loose or poor battery terminal connection, Low battery charge, Faulty Engine Control Module (ECM).
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 6,820

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 Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0603 2011 Nissan Rogue Description

OBDII Code P0603 2011 Nissan Rogue - Engine Control Module Power Supply Circuit - AutoCodes.com — P0603 2011 Nissan Rogue Code - Engine Control Module Power Supply Circuit

What does this mean?

What are the Possible Causes of the DTC P0603 2011 Nissan Rogue?

Loose or poor battery terminal connection
Low battery charge
Faulty Engine Control Module (ECM)
ECM power supply circuit is open or shorted
ECM Outdated Program

How to Fix the DTC P0603 2011 Nissan Rogue?

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

Start by charging the vehicles battery and clean terminal, once the battery is charged and the terminals are clean and secure, erase code. If the code comes back ON you may have to reprogram or replaced ECM

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0603 2011 Nissan Rogue 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 P0603 2011 Nissan Rogue code?

Need more information on how to fix the P0603 2011 Nissan Rogue 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 P0603 2011 Nissan Rogue Code

1. What does OBDII code P0603 for a 2011 Nissan Rogue mean?

The code P0603 indicates a malfunction in the Engine Control Module (ECM) power supply circuit.

2. What are the common symptoms of a P0603 error in a Nissan Rogue?

Common symptoms include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine Light.

3. What are the possible causes of a P0603 code in a 2011 Nissan Rogue?

Potential causes may include a faulty ECM relay, damaged wiring or connectors in the power supply circuit, or a defective ECM itself.

4. How can I diagnose a P0603 error in my Nissan Rogue?

Diagnosing a P0603 code typically involves checking the ECM power supply circuit for any visible damage, testing the ECM relay, and conducting a thorough inspection of related wiring and connectors.

5. Can I drive my Nissan Rogue with a P0603 error code?

It is not recommended to drive your vehicle with a P0603 error code, as it can lead to further damage and potential safety hazards. It's advisable to address the issue promptly.

6. How can I repair a P0603 code in my 2011 Nissan Rogue?

Depending on the underlying cause, repairs may involve replacing the ECM relay, repairing damaged wiring or connectors, or replacing the ECM itself. It is recommended to consult a qualified mechanic for proper diagnosis and repair.

7. Will resetting the trouble codes make the P0603 code disappear?

Resetting the trouble codes may clear the Check Engine Light temporarily, but the underlying issue causing the P0603 code will persist unless properly diagnosed and repaired.

8. Is it safe to ignore a P0603 code in my Nissan Rogue?

Ignoring a P0603 code can lead to potential drivability issues, reduced fuel efficiency, and further damage to the engine control system. It is advisable to address the problem promptly.

9. Can a P0603 code be triggered by a dead battery in a Nissan Rogue?

A dead or weak battery can sometimes trigger a P0603 code due to voltage fluctuations affecting the ECM power supply circuit. It's recommended to ensure the battery is in good condition when diagnosing this code.

10. How much does it cost to repair a P0603 error in a 2011 Nissan Rogue?

The cost of repairing a P0603 error can vary depending on the exact cause of the issue, parts needed for replacement, and labor costs. It's best to get a diagnostic from a qualified mechanic for an accurate estimate.