Engine-CodesNissan – P1551 2011 Nissan Pathfinder

P1551 2011 Nissan Pathfinder Code - Battery Current Sensor Circuit Low Input

Quick Answer

The P1551 diagnostic trouble code (DTC) for a 2011 Nissan Pathfinder refers to the Battery Current Sensor Circuit Low Input. Common causes include Faulty Battery Current Sensor: A malfunctioning battery current sensor can send incorrect signals to the PCM, triggering the P1551 code, Damaged Wiring or Connectors: Corrosion, fraying, or loose connections in the sensor circuit can disrupt the signal and cause a low input, Weak Battery: A weak or failing battery can lead to low current flow, triggering the code. 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 2011 Nissan Pathfinder indicates Battery Current Sensor Circuit Low Input.
Common causes
Common causes include Faulty Battery Current Sensor: A malfunctioning battery current sensor can send incorrect signals to the PCM, triggering the P1551 code, Damaged Wiring or Connectors: Corrosion, fraying, or loose connections in the sensor circuit can disrupt the signal and cause a low input, Weak Battery: A weak or failing battery can lead to low current flow, triggering the code.
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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1551 2011 Nissan Pathfinder Description

The P1551 diagnostic trouble code (DTC) for a 2011 Nissan Pathfinder refers to the Battery Current Sensor Circuit Low Input. This code indicates that the powertrain control module (PCM) has detected a low input signal from the battery current sensor. The battery current sensor is responsible for monitoring the current flow in and out of the vehicle's battery. When the PCM receives a low input signal from the sensor, it means that the current being measured is lower than expected, which can lead to various issues within the vehicle's electrical system.

OBDII Code P1551 2011 Nissan Pathfinder - Battery Current Sensor Circuit Low Input
P1551 2011 Nissan Pathfinder Code - Battery Current Sensor Circuit Low Input

Common Causes of P1551 2011 Nissan Pathfinder

  1. Faulty Battery Current Sensor: A malfunctioning battery current sensor can send incorrect signals to the PCM, triggering the P1551 code.
  2. Damaged Wiring or Connectors: Corrosion, fraying, or loose connections in the sensor circuit can disrupt the signal and cause a low input.
  3. Weak Battery: A weak or failing battery can lead to low current flow, triggering the code.
  4. Malfunctioning PCM: A faulty PCM can misinterpret the signals from the battery current sensor, resulting in a low input signal.

Symptoms of P1551 2011 Nissan Pathfinder

  1. Check Engine Light: The most common symptom associated with the P1551 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Poor Fuel Efficiency: A low input signal from the battery current sensor can lead to poor fuel efficiency due to improper battery charging.
  3. Electrical Issues: The vehicle may experience electrical issues such as dimming lights, erratic behavior of electrical components, or difficulty starting.
  4. Reduced Performance: The vehicle may exhibit reduced performance, including hesitation, rough idling, or stalling.
  5. Battery Problems: The battery may not hold a charge properly or may fail prematurely due to improper charging.

How to Fix P1551 2011 Nissan Pathfinder

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the DTC and perform a thorough inspection of the battery current sensor, wiring, and connectors.
  2. Test the Battery: Check the battery's condition and voltage to ensure it is functioning properly.
  3. Replace the Battery Current Sensor: If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  4. Repair Wiring or Connectors: Repair or replace any damaged wiring or connectors in the sensor circuit to ensure proper signal transmission.
  5. Clear the DTC: After completing the repair, clear the DTC with a diagnostic scanner and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1551 2011 Nissan Pathfinder

The typical repair costs for addressing the P1551 code on a 2011 Nissan Pathfinder can vary depending on the specific cause of the issue. In general, replacing the battery current sensor and repairing any damaged wiring or connectors can range from $200 to $500, including parts and labor. However, the total cost may increase if additional components need to be replaced or if the PCM requires reprogramming. It is advisable to consult with a certified mechanic or auto repair shop for a more accurate estimate based on the specific diagnosis and repair needed. Keep in mind that labor rates can vary between different locations and types of repair facilities, so it's essential to inquire about rates in your area for a more precise cost estimate.

Need more information about the P1551 2011 Nissan Pathfinder code?

Need more information on how to fix the P1551 2011 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1551 2011 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 P1551 2011 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P1551 (Battery Current Sensor Circuit Low Input) in a 2011 Nissan Pathfinder?

The common symptoms of P1551 in a 2011 Nissan Pathfinder include issues with the battery, such as slow cranking, difficulty starting the vehicle, and possible illumination of the battery warning light on the dashboard.

2. What are the possible causes of OBDII code P1551 in a 2011 Nissan Pathfinder?

Possible causes of P1551 in a 2011 Nissan Pathfinder include a faulty battery current sensor, a damaged sensor harness or connector, low battery voltage, or issues with the vehicle's electrical system.

3. How can I diagnose OBDII code P1551 in my 2011 Nissan Pathfinder?

Diagnosing P1551 involves using a diagnostic scanner to read the code, checking the battery current sensor and its connections, testing the battery voltage, and inspecting the vehicle's electrical system for any faults.

4. Can I still drive my 2011 Nissan Pathfinder with OBDII code P1551 (Battery Current Sensor Circuit Low Input)?

It is not recommended to drive your 2011 Nissan Pathfinder with P1551 present, as it can lead to potential issues with the battery and the vehicle's electrical system. It is best to address the problem promptly.

5. How serious is OBDII code P1551 in a 2011 Nissan Pathfinder?

While P1551 may not cause immediate harm to your vehicle, it can lead to problems with the battery and electrical system if left unresolved. It is important to address the issue to prevent further complications.

6. Can I repair OBDII code P1551 in my 2011 Nissan Pathfinder myself?

Repairing P1551 may require some technical knowledge and tools. If you are comfortable working on your vehicle and have the necessary equipment, you may be able to address the issue yourself. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

7. How much does it cost to fix OBDII code P1551 in a 2011 Nissan Pathfinder?

The cost of fixing P1551 in a 2011 Nissan Pathfinder can vary depending on the underlying cause of the issue. Repair costs may include labor charges for diagnosis and replacement of faulty components, so it's best to get a quote from a trusted mechanic.

8. Will resetting the OBDII code P1551 in my 2011 Nissan Pathfinder make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue causing P1551 is not addressed, the code is likely to return. It is essential to diagnose and fix the root cause of the problem.

9. How long does it take to repair OBDII code P1551 in a 2011 Nissan Pathfinder?

The repair time for P1551 can vary depending on the cause of the issue and the complexity of the repair. Simple fixes like sensor replacement may take less time, while more extensive electrical system diagnostics could require more time.

10. Is OBDII code P1551 covered under warranty for a 2011 Nissan Pathfinder?

Whether P1551 is covered under warranty for your 2011 Nissan Pathfinder depends on the specific warranty terms and conditions provided by the manufacturer. It's advisable to check your vehicle's warranty documentation or consult with a dealership for more information.

Discuss the causes and fixes for P1551 2011 Nissan Pathfinder OBDII Code

  • Hello my name is james I have a Nissan Pathfinder 2011 and I’m having trouble with it , it keeps going into limp mode so got it checked out and a code came back saying about the current sensor so I changed it and my car still goes into limp mode just wondering if there are any suggestions?

  • Did you still got the code? or just the limp mode problem? any other codes?