Engine-CodesInfiniti – P1550 Infiniti

P1550 Infiniti Code - Battery Current Sensor Circuit Range/Performance

Quick Answer

The P1550 code for Infiniti vehicles specifically relates to the Battery Current Sensor Circuit Range/Performance. Common causes include Faulty battery current sensor, Damaged wiring or connectors in the sensor circuit, Corrosion on the battery terminals. 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 Infiniti indicates Battery Current Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty battery current sensor, Damaged wiring or connectors in the sensor circuit, Corrosion on the battery terminals.
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 07, 2024
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Code P1550 Infiniti Description

The P1550 code for Infiniti vehicles specifically relates to the Battery Current Sensor Circuit Range/Performance. This code indicates that there is an issue with the battery current sensor, which is responsible for monitoring the flow of current in and out of the vehicle's battery. The sensor is crucial for ensuring that the battery is charging and discharging properly, as well as for maintaining the overall electrical system's health.

OBDII Code P1550 Infiniti - Battery Current Sensor Circuit Range/Performance
P1550 Infiniti Code - Battery Current Sensor Circuit Range/Performance

Common Causes of P1550 Infiniti

  1. Faulty battery current sensor.
  2. Damaged wiring or connectors in the sensor circuit.
  3. Corrosion on the battery terminals.
  4. A weak or failing battery.
  5. Issues with the vehicle's charging system, such as a faulty alternator.

Symptoms of P1550 Infiniti

  1. Check engine light is illuminated on the dashboard.
  2. Irregular charging of the battery.
  3. Difficulty starting the vehicle.
  4. Electrical system malfunctions, such as flickering lights or power windows not working properly.

How to Fix P1550 Infiniti

  1. Begin by diagnosing the specific cause of the issue by using a diagnostic scanner to read the code and determine the root cause.
  2. Inspect the battery current sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the battery terminals for corrosion and clean them if needed. Replace the battery if it is weak or failing.
  4. Test the vehicle's charging system, including the alternator, to ensure that it is functioning properly.
  5. Clear the code from the vehicle's computer system and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1550 Infiniti

The typical repair costs for addressing a P1550 code on an Infiniti vehicle can vary depending on the specific cause of the issue. In general, the cost of replacing a battery current sensor can range from $150 to $300, including parts and labor. If additional repairs or component replacements are necessary, the total cost could increase. It's important to keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Generally, auto repair shops charge between $80 and $150 per hour for labor, with rates potentially higher at dealerships or in metropolitan areas.

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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.

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