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P0604 Nissan Code - Engine Control Module Internal Random Access Memory Error

- Code Popularity: 6,903 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0604 Nissan?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Loose or poor battery terminal connection
  • Low battery charge
  • Faulty Engine Control Module (ECM)
  • Engine Control Module power supply circuit is open or shorted
  • Engine Control Module Outdated Program
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How to Fix the DTC P0604 Nissan?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0604 Nissan code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

Indicates the ECM has experienced an internal memory fault.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine may not start

Code P0604 Nissan Description

The Diagnostic Trouble Code (DTC) will set when the Engine Control Module (ECM) detects a malfunction in the internal Random Access Memory (RAM) of the Engine Control Module.

OBDII Code P0604 Nissan - Engine Control Module Internal Random Access Memory Error - AutoCodes.com
P0604 Nissan Code - Engine Control Module Internal Random Access Memory Error

Need More Information on the Code?

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Code P0604 Nissan comments

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