AutoCodes – Nissan – P1550 2009 Nissan Pathfinder

P1550 2009 Nissan Pathfinder Code - Battery Current Sensor Circuit Range/Performance

Quick Answer

The power generation voltage variable control enables fuel consumption to be decreased by reducing the engine load which is caused by the power generation of the generator. Common causes include Faulty Battery Current Sensor, Battery Current Sensor harness is open or shorted, Battery Current Sensor circuit poor electrical connection. 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
P1550 2009 Nissan Pathfinder indicates Battery Current Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty Battery Current Sensor, Battery Current Sensor harness is open or shorted, Battery Current Sensor circuit poor electrical connection.
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 3,800
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 22, 2024
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Code P1550 2009 Nissan Pathfinder Description

The power generation voltage variable control enables fuel consumption to be decreased by reducing the engine load which is caused by the power generation of the generator. The battery current sensor is installed to the battery cable at the negative terminal. The sensor measures the charging/discharging current of the battery. Based on the sensor signal, Engine Control Module (ECM) judges whether or not the power generation voltage variable control is performed. When performing the power generation voltage variable control, ECM calculates the target power generation voltage based on the sensor signal. And ECM sends the calculated value as the power generation command value to IPDM E/R.
OBDII Code P1550 2009 Nissan Pathfinder - Battery Current Sensor Circuit Range/Performance - AutoCodes.com
P1550 2009 Nissan Pathfinder Code - Battery Current Sensor Circuit Range/Performance

What are the Possible Causes of the DTC P1550 2009 Nissan Pathfinder?

  • Faulty Battery Current Sensor
  • Battery Current Sensor harness is open or shorted
  • Battery Current Sensor circuit poor electrical connection

How to Fix the DTC P1550 2009 Nissan Pathfinder?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1550 2009 Nissan Pathfinder 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 P1550 2009 Nissan Pathfinder code?

Need more information on how to fix the P1550 2009 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1550 2009 Nissan Pathfinder code diagnosed by a professional: Find a repair shop in your area

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 P1550 2009 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P1550 in a 2009 Nissan Pathfinder?

- Common symptoms include issues with starting the vehicle, reduced engine power, and the illumination of the check engine light.

2. What does the OBDII code P1550 "Battery Current Sensor Circuit Range/Performance" indicate in a 2009 Nissan Pathfinder?

- This code indicates that there is a problem with the battery current sensor circuit, specifically related to its range or performance.

3. What are the possible causes of OBDII code P1550 in a 2009 Nissan Pathfinder?

- Possible causes include a faulty battery current sensor, damaged wiring or connectors in the circuit, or issues with the battery itself.

4. How can I diagnose the source of OBDII code P1550 in my 2009 Nissan Pathfinder?

- A thorough inspection of the battery current sensor, its wiring, and connectors is recommended. Testing the battery and checking for any loose connections can also help pinpoint the issue.

5. Can I still drive my 2009 Nissan Pathfinder with OBDII code P1550 present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to potential issues with engine performance and starting the vehicle.

6. Is it safe to reset the OBDII code P1550 in a 2009 Nissan Pathfinder using a diagnostic scanner?

- While resetting the code may temporarily turn off the check engine light, it is important to address the underlying issue causing the code to prevent further problems.

7. How much does it typically cost to repair OBDII code P1550 in a 2009 Nissan Pathfinder?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the battery current sensor or repairing damaged wiring, which can range from $200 to $500.

8. Can I fix OBDII code P1550 in my 2009 Nissan Pathfinder myself?

- If you have experience with automotive repairs and diagnostics, you may be able to address this issue yourself by inspecting the sensor, wiring, and connectors. However, it is recommended to seek professional help if unsure.

9. How long does it typically take to repair OBDII code P1550 in a 2009 Nissan Pathfinder?

- The repair time can vary based on the exact cause of the issue and the complexity of the repair, but it may take a few hours to a full day to diagnose and fix the problem.

10. Will OBDII code P1550 in a 2009 Nissan Pathfinder affect vehicle performance?

- Yes, this code can impact the performance of the vehicle, including starting issues and reduced engine power, so it is important to address it promptly.

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