AutoCodes – Nissan – P0603 2012 Nissan Rogue

P0603 2012 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 2012 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,653
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0603 2012 Nissan Rogue Description

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.
OBDII Code P0603 2012 Nissan Rogue - Engine Control Module Power Supply Circuit - AutoCodes.com
P0603 2012 Nissan Rogue Code - Engine Control Module Power Supply Circuit

What are the Possible Causes of the DTC P0603 2012 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  • ECM Outdated Program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 2012 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0603 2012 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 2012 Nissan Rogue code?

Need more information on how to fix the P0603 2012 Nissan Rogue 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 P0603 2012 Nissan Rogue Code

1. What does the OBDII code P0603 mean on a 2012 Nissan Rogue?

P0603 indicates an issue with the Engine Control Module (ECM) power supply circuit, often caused by power interruptions or memory errors in the ECM.

2. What are the common symptoms of code P0603 on a 2012 Nissan Rogue?

Symptoms may include a check engine light, erratic engine performance, difficulty starting, or intermittent stalling.

3. What causes the P0603 code on a 2012 Nissan Rogue?

Common causes include a weak or disconnected battery, faulty ECM, damaged wiring, or electrical interference in the ECM power supply circuit.

4. Can a weak battery cause the P0603 code?

Yes, a weak or discharged battery can trigger this code if the ECM experiences power interruptions.

5. How do you diagnose code P0603 on a 2012 Nissan Rogue?

Start by checking the battery condition, inspecting ECM wiring and connectors for damage, and testing for consistent power supply to the ECM.

6. Can driving with the P0603 code damage my 2012 Nissan Rogue?

While it may not cause immediate damage, unresolved ECM power issues could lead to poor engine performance or leave you stranded.

7. How is the P0603 code fixed on a 2012 Nissan Rogue?

Repairs may include replacing the battery, repairing or replacing damaged wiring, or reprogramming or replacing the ECM.

8. Can clearing the P0603 code solve the issue?

Clearing the code may temporarily remove the check engine light, but the underlying issue needs to be fixed to prevent recurrence.

9. How much does it cost to fix code P0603 on a 2012 Nissan Rogue?

Costs vary depending on the root cause. Battery replacement might cost $100-$200, while ECM replacement could exceed $1,000.

10. Is the P0603 code specific to the 2012 Nissan Rogue?

No, the P0603 code is a generic OBDII code that can appear on various vehicles but may have vehicle-specific causes and symptoms.

Discuss the causes and fixes for P0603 2012 Nissan Rogue OBDII Code

  • My car all of a sudden would not restart plus the check engine light was on so I got a hot shot went straight to an auto store got a free code test po603 came up battery was weak I brought a new battery but the check engine light is still on how do I turn it off.

  • You can use and OBDII scanner to clear the code, disconnect the car battery for about 30 minutes, or just wait for a few days for the light to clear it self. If there is still a problem, then the light will come back.

  • Thank you!!

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