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P1551 2012 Nissan Pathfinder Code - Battery Current Sensor Circuit Low Input

Quick Answer

The P1551 diagnostic trouble code (DTC) for a 2012 Nissan Pathfinder indicates a problem with the battery current sensor circuit having a low input. Common causes include Faulty battery current sensor, Wiring or connection issues in the sensor circuit, Corrosion or damage to sensor components. 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
P1551 2012 Nissan Pathfinder indicates Battery Current Sensor Circuit Low Input.
Common causes
Common causes include Faulty battery current sensor, Wiring or connection issues in the sensor circuit, Corrosion or damage to sensor components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1551 2012 Nissan Pathfinder Description

The P1551 diagnostic trouble code (DTC) for a 2012 Nissan Pathfinder indicates a problem with the battery current sensor circuit having a low input. This sensor is responsible for monitoring the current flowing in and out of the vehicle's battery. The sensor detects the amount of current being drawn from the battery to power various electrical components in the vehicle, ensuring that the battery is being properly charged and discharged.

OBDII Code P1551 2012 Nissan Pathfinder - Battery Current Sensor Circuit Low Input
P1551 2012 Nissan Pathfinder Code - Battery Current Sensor Circuit Low Input

Common Causes of P1551 2012 Nissan Pathfinder

  1. Faulty battery current sensor
  2. Wiring or connection issues in the sensor circuit
  3. Corrosion or damage to sensor components
  4. Electrical system issues
  5. Battery problems (e.g., low charge, damaged battery)

Symptoms of P1551 2012 Nissan Pathfinder

  1. Check engine light illuminated
  2. Difficulty starting the vehicle
  3. Reduced fuel efficiency
  4. Electrical system malfunctions (e.g., dimming lights, power windows not working)

How to Fix P1551 2012 Nissan Pathfinder

  1. Begin by diagnosing the specific cause of the low input in the battery current sensor circuit using a diagnostic scanner.
  2. Inspect the sensor, wiring, and connections for any visible damage or corrosion. Replace or repair any damaged components.
  3. Test the battery to ensure it is functioning properly and holding a charge.
  4. Reset the trouble code using the diagnostic scanner after making necessary repairs.
  5. Test the vehicle to ensure that the issue has been resolved and that the battery current sensor circuit is functioning correctly.

Cost to Fix P1551 2012 Nissan Pathfinder

The cost of repairing the battery current sensor circuit low input issue in a 2012 Nissan Pathfinder can vary depending on the specific cause of the problem and the labor rates in your area. On average, the repair cost could range from $150 to $400, including parts and labor. It's important to note that the cost of parts, such as a new battery current sensor, and the time required for diagnosis and repair will impact the final cost. It's recommended to consult with a trusted mechanic or auto repair shop to get a more accurate estimate based on your vehicle's specific needs.

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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 P1551 2012 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P1551 in a 2012 Nissan Pathfinder?

The common symptoms of OBDII code P1551 in a 2012 Nissan Pathfinder include poor fuel efficiency, rough idling, and difficulty starting the vehicle.

2. What does the OBDII code P1551 "Battery Current Sensor Circuit Low Input" mean for a 2012 Nissan Pathfinder?

The OBDII code P1551 in a 2012 Nissan Pathfinder indicates that there is a low input signal from the battery current sensor circuit.

3. What are the possible causes of OBDII code P1551 in a 2012 Nissan Pathfinder?

Possible causes of OBDII code P1551 in a 2012 Nissan Pathfinder include a faulty battery current sensor, damaged wiring or connectors in the sensor circuit, or a problem with the sensor's ground connection.

4. How can I diagnose OBDII code P1551 in my 2012 Nissan Pathfinder?

Diagnosing OBDII code P1551 in a 2012 Nissan Pathfinder involves inspecting the battery current sensor and its wiring for any visible damage, checking the sensor's ground connection, and using a multimeter to test the sensor's voltage output.

5. Can I drive my 2012 Nissan Pathfinder with OBDII code P1551?

It is not recommended to drive your 2012 Nissan Pathfinder with OBDII code P1551, as the issue can affect the vehicle's performance and fuel efficiency. It is best to address the problem as soon as possible.

6. How can I repair OBDII code P1551 in my 2012 Nissan Pathfinder?

To repair OBDII code P1551 in a 2012 Nissan Pathfinder, you may need to replace the battery current sensor, repair any damaged wiring or connectors, or ensure that the sensor's ground connection is secure.

7. Is it safe to ignore OBDII code P1551 in my 2012 Nissan Pathfinder?

Ignoring OBDII code P1551 in a 2012 Nissan Pathfinder can lead to decreased fuel efficiency and potential issues with the vehicle's performance. It is advisable to address the problem promptly to prevent further damage.

8. Can a DIY enthusiast fix OBDII code P1551 in a 2012 Nissan Pathfinder?

A DIY enthusiast with the necessary tools and knowledge of automotive electrical systems may be able to diagnose and repair OBDII code P1551 in a 2012 Nissan Pathfinder. However, if unsure, it is recommended to seek professional assistance.

9. How much does it cost to fix OBDII code P1551 in a 2012 Nissan Pathfinder?

The cost of fixing OBDII code P1551 in a 2012 Nissan Pathfinder can vary depending on the exact cause of the issue and whether you choose to repair it yourself or take it to a professional mechanic. Costs may include parts and labor.

10. Will resetting the OBDII code P1551 in my 2012 Nissan Pathfinder make it go away permanently?

Resetting the OBDII code P1551 in a 2012 Nissan Pathfinder may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem to prevent the code from coming back.

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