P0605 2003 Nissan Altima Sedan Code - Engine Control Module Fault
Quick Answer
The Engine Control Module (ECM) continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. Common causes include Engine Control Module (ECM) may be faulty, ECM harness power supply circuit is open or shorted, ECM harness ground 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
- P0605 2003 Nissan Altima Sedan indicates Engine Control Module Fault.
- Common causes
- Common causes include Engine Control Module (ECM) may be faulty, ECM harness power supply circuit is open or shorted, ECM harness ground 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.
Code P0605 2003 Nissan Altima Sedan Description
What are the Possible Causes of the DTC P0605 2003 Nissan Altima Sedan?
- Engine Control Module (ECM) may be faulty
- ECM harness power supply circuit is open or shorted
- ECM harness ground circuit is open or shorted
How to Fix the DTC P0605 2003 Nissan Altima Sedan?
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
There is a factory service bulletin for the 2003 Nissan Altima:
2003 Nissan Altima Factory Service Bulletin OBDII Code P0605
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0605 2003 Nissan Altima Sedan 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.
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Frequently Asked Questions about P0605 2003 Nissan Altima Sedan Code
1. What are common symptoms of OBDII code P0605 in a 2003 Nissan Altima Sedan?
- Common symptoms include rough idling, engine stalling, poor acceleration, and the Check Engine light illuminating.
2. What does OBDII code P0605 indicate in a 2003 Nissan Altima Sedan?
- OBDII code P0605 indicates a fault with the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM).
3. What are the potential causes of OBDII code P0605 in a 2003 Nissan Altima Sedan?
- The potential causes of P0605 include a faulty ECM, damaged wiring or connectors, software issues, or a failed ECM reprogramming attempt.
4. How can I diagnose OBDII code P0605 in a 2003 Nissan Altima Sedan?
- Diagnosis involves using an OBDII scanner to retrieve the code, checking for any related symptoms, and inspecting the ECM, wiring, and connectors for visible damage.
5. Can OBDII code P0605 be cleared/reset in a 2003 Nissan Altima Sedan?
- Yes, the code can be cleared using an OBDII scanner. However, if the underlying issue is not resolved, the code is likely to reappear.
6. Is it safe to continue driving a 2003 Nissan Altima Sedan with OBDII code P0605?
- While the vehicle may still operate, it is not recommended to drive with a P0605 fault as it can lead to performance issues and potential damage to the engine.
7. How can I repair OBDII code P0605 in a 2003 Nissan Altima Sedan?
- Repair options include replacing the ECM, repairing damaged wiring or connectors, reprogramming the ECM, or seeking assistance from a professional mechanic.
8. Can a DIY enthusiast fix OBDII code P0605 in a 2003 Nissan Altima Sedan?
- DIY enthusiasts with the necessary tools and expertise may be able to address P0605 by replacing the ECM or repairing wiring issues. However, complex repairs may require professional help.
9. Are there any recalls or technical service bulletins related to OBDII code P0605 in a 2003 Nissan Altima Sedan?
- It is advisable to check with Nissan or authorized service centers for any recalls or technical service bulletins related to OBDII code P0605 in the 2003 Nissan Altima Sedan.
10. How much does it typically cost to repair OBDII code P0605 in a 2003 Nissan Altima Sedan?
- The repair cost for OBDII code P0605 can vary depending on the underlying issue and the chosen repair method. Costs may range from a few hundred to a few thousand dollars.
Discuss the causes and fixes for P0605 2003 Nissan Altima Sedan OBDII Code
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Ok this car is really getting to me ive replaced camshaft sensor crankshaft sensor new valve cover new pcv valve and hose plugs coils speed sensor. And its still running like crap. Ive done the idle relearn all three of them for open closed and the other one when the ses light blinks and then start it after it goes solid. It has codes p0605 and p0725 checked all groundz and wires car has good power supply. I'm ready to just blow it up and take the loss this car is nice inside but the motor is junk and nissan should sued for even making a car that has so many issues and recalls
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