Engine-Codes - Nissan - P0605 2003 Nissan Altima Sedan

P0605 2003 Nissan Altima Sedan Code - Engine Control Module Fault

- Code Popularity: 4,177 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0605 2003 Nissan Altima Sedan?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Engine Control Module (ECM) may be faulty
  • ECM harness power supply circuit is open or shorted
  • ECM harness ground circuit is open or shorted

Code Tech Notes

Try erasing the code first, if the light comes back ON you may have to replace the ECM to repair the problem.

There is a factory service bulletin for the 2003 Nissan Altima:
2003 Nissan Altima Factory Service Bulletin OBDII Code P0605

⚠ Does your Nissan have Safety Recalls? → Check here

How to Fix the DTC P0605 2003 Nissan Altima Sedan?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P0605 2003 Nissan Altima Sedan Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0605 2003 Nissan Altima Sedan code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P0605 2003 Nissan Altima Sedan Code Mean?

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.

P0605 2003 Nissan Altima Sedan Code - Engine Control Module Fault

Need more Information on the Code?

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