AutoCodes – Nissan – P1551 2006 Nissan Pathfinder

P1551 2006 Nissan Pathfinder Code - Battery Current Sensor Circuit Low Input

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
P1551 2006 Nissan Pathfinder indicates Battery Current Sensor Circuit Low Input.
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 4,885
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 P1551 2006 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 P1551 2006 Nissan Pathfinder - Battery Current Sensor Circuit Low Input - AutoCodes.com
P1551 2006 Nissan Pathfinder Code - Battery Current Sensor Circuit Low Input

What are the Possible Causes of the DTC P1551 2006 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 P1551 2006 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 P1551 2006 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 P1551 2006 Nissan Pathfinder code?

Need more information on how to fix the P1551 2006 Nissan Pathfinder code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1551 2006 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 2006 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P1551 on a 2006 Nissan Pathfinder?

The common symptoms of code P1551 include issues with starting the vehicle, reduced power performance, and the illumination of the check engine light.

2. What does the OBDII code P1551 "Battery Current Sensor Circuit Low Input" mean for a 2006 Nissan Pathfinder?

This code indicates that there is a low input signal from the battery current sensor circuit in the vehicle's electrical system.

3. What are the possible causes of OBDII code P1551 on a 2006 Nissan Pathfinder?

Possible causes of code P1551 can include a faulty battery current sensor, damaged wiring or connectors in the sensor circuit, or a problem with the vehicle's battery or charging system.

4. How can I diagnose the OBDII code P1551 on my 2006 Nissan Pathfinder?

Diagnosing code P1551 typically involves using a scan tool to retrieve the code, checking the battery current sensor and its wiring for any visible damage, and testing the sensor's voltage output.

5. Is it safe to continue driving my 2006 Nissan Pathfinder with OBDII code P1551?

It is not recommended to drive your vehicle with a persistent OBDII code like P1551, as it can lead to further damage to the vehicle's electrical system and potentially affect its overall performance.

6. Can I repair OBDII code P1551 on my 2006 Nissan Pathfinder myself?

While some DIY enthusiasts may attempt to repair code P1551 themselves by checking the sensor and wiring, it is recommended to consult with a professional mechanic for an accurate diagnosis and proper repair.

7. How much does it typically cost to fix OBDII code P1551 on a 2006 Nissan Pathfinder?

The cost of repairing code P1551 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 $100 to $300 or more.

8. Will resetting the check engine light clear OBDII code P1551 on my 2006 Nissan Pathfinder?

Resetting the check engine light may temporarily clear the code, but if the underlying issue causing code P1551 is not addressed, the light is likely to come back on after some driving cycles.

9. How urgent is it to address OBDII code P1551 on a 2006 Nissan Pathfinder?

It is recommended to address code P1551 as soon as possible to prevent any further issues with the vehicle's electrical system and ensure optimal performance and safety while driving.

10. Can a bad battery cause OBDII code P1551 to appear on a 2006 Nissan Pathfinder?

Yes, a bad or failing battery can potentially cause code P1551 to appear, as it may affect the input signal from the battery current sensor circuit in the vehicle.

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