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P1552 Toyota Code - Battery Current Sensor Circuit High Input

Quick Answer

The P1552 Toyota code indicates that there is a high input detected in the battery current sensor circuit. Common causes include Faulty battery current sensor, Corrosion or damage to the sensor wiring, Issues with the battery or alternator. 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
P1552 Toyota indicates Battery Current Sensor Circuit High Input.
Common causes
Common causes include Faulty battery current sensor, Corrosion or damage to the sensor wiring, Issues with the battery or alternator.
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 Aug 25, 2024
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Code P1552 Toyota Description

The P1552 Toyota code indicates that there is a high input detected in the battery current sensor circuit. This sensor is responsible for monitoring the current flowing in and out of the vehicle's battery. When the sensor detects a high input, it means that there is an excessive amount of current passing through the circuit, which can lead to various issues within the vehicle's electrical system. This can impact the overall performance of the vehicle, as it may cause issues with starting the engine, charging the battery, or even affect the operation of other electrical components. If left unaddressed, this issue can lead to further damage to the vehicle's electrical system and potentially cause the battery to fail prematurely.

OBDII Code P1552 Toyota - Battery Current Sensor Circuit High Input
P1552 Toyota Code - Battery Current Sensor Circuit High Input

Common Causes of P1552 Toyota

  1. Faulty battery current sensor.
  2. Corrosion or damage to the sensor wiring.
  3. Issues with the battery or alternator.
  4. Poor connection or loose wiring in the circuit.

Symptoms of P1552 Toyota

  1. Check engine light is illuminated on the dashboard.
  2. Difficulty starting the engine or frequent stalling.
  3. Battery not charging properly.
  4. Electrical issues such as dimming lights or power windows not working.

How to Fix P1552 Toyota

  1. Begin by conducting a thorough inspection of the battery current sensor and its wiring for any signs of damage or corrosion.
  2. Test the sensor using a multimeter to determine if it is functioning properly.
  3. Check the battery and alternator to ensure they are in good working condition.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.

Cost to Fix P1552 Toyota

The cost of repairing a P1552 Toyota code can vary depending on the specific cause of the issue and the extent of repairs needed. On average, the repair costs for this issue can range from $100 to $300, including parts and labor. However, it's important to note that the actual costs can vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the type of engine. Additionally, the time required for diagnosis and labor rates can also impact the final cost of the repair. It is advisable to consult with a trusted mechanic or auto repair shop to get a more accurate estimate for addressing this issue.

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Information for Specific Toyota Models

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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