AutoCodes – Toyota – P1552 2018 Toyota RAV4

P1552 2018 Toyota RAV4 Code - Battery Current Sensor Circuit High 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 (Built into the Generator Control ECU Assembly), 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
P1552 2018 Toyota RAV4 indicates Battery Current Sensor Circuit High Input.
Common causes
Common causes include Faulty Battery Current Sensor (Built into the Generator Control ECU Assembly), 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 301
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 06, 2024
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Code P1552 2018 Toyota RAV4 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 built into the Generator Control ECU assembly detects the amount of charge/discharge current. The Generator Control ECU assembly sends voltage generation instructions to the generator assembly based on this signal. The Diagnostic Trouble Code (DTC) will be set when the battery current sensor output value is abnormally high for 30 seconds or more with the ignition switch ON.
OBDII Code P1552 2018 Toyota RAV4 - Battery Current Sensor Circuit High Input - AutoCodes.com
P1552 2018 Toyota RAV4 Code - Battery Current Sensor Circuit High Input

What are the Possible Causes of the DTC P1552 2018 Toyota RAV4?

  • Faulty Battery Current Sensor (Built into the Generator Control ECU Assembly)
  • Battery Current Sensor harness is open or shorted
  • Battery Current Sensor circuit poor electrical connection

How to Fix the DTC P1552 2018 Toyota RAV4?

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 P1552 2018 Toyota RAV4 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 P1552 2018 Toyota RAV4 code?

Need more information on how to fix the P1552 2018 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1552 2018 Toyota RAV4 Code

1. What are the common symptoms of OBDII code P1552 in a 2018 Toyota RAV4?

The common symptoms of code P1552 (Battery Current Sensor Circuit High Input) in a 2018 Toyota RAV4 include issues with the battery, charging system, or electrical components, such as poor battery performance, warning lights on the dashboard, and difficulty starting the vehicle.

2. What are the possible causes of code P1552 in a 2018 Toyota RAV4?

The possible causes of OBDII code P1552 in a 2018 Toyota RAV4 include a faulty battery current sensor, damaged wiring or connectors in the battery current sensor circuit, issues with the battery itself, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose OBDII code P1552 in my 2018 Toyota RAV4?

Diagnosing code P1552 involves using a diagnostic scanner to retrieve the fault code, inspecting the battery current sensor and its wiring for any visible damage, checking the battery health, and testing the powertrain control module for proper operation.

4. Can I drive my 2018 Toyota RAV4 with OBDII code P1552?

It is not recommended to drive your 2018 Toyota RAV4 with OBDII code P1552 (Battery Current Sensor Circuit High Input) as it can lead to potential issues with the battery, charging system, or electrical components, which may affect the vehicle's performance and safety.

5. How serious is OBDII code P1552 in a 2018 Toyota RAV4?

OBDII code P1552 (Battery Current Sensor Circuit High Input) in a 2018 Toyota RAV4 should be addressed promptly as it indicates a potential problem with the battery current sensor or related components, which can impact the vehicle's electrical system and overall performance.

6. What are some repair tips for fixing OBDII code P1552 in a 2018 Toyota RAV4?

Repair tips for addressing code P1552 in a 2018 Toyota RAV4 include checking and repairing any damaged wiring or connectors in the battery current sensor circuit, replacing the battery current sensor if necessary, ensuring the battery is in good condition, and resetting the fault code using a diagnostic scanner.

7. Can I reset OBDII code P1552 in my 2018 Toyota RAV4 without fixing the underlying issue?

While you can clear the OBDII code P1552 using a diagnostic scanner without fixing the underlying issue, it is not recommended as the problem may persist and lead to further complications with the battery or electrical system in your 2018 Toyota RAV4.

8. How much does it cost to repair OBDII code P1552 in a 2018 Toyota RAV4?

The cost of repairing OBDII code P1552 in a 2018 Toyota RAV4 can vary depending on the specific cause of the issue, the parts needed for replacement, and labor costs. It is advisable to consult a professional mechanic for an accurate estimate.

9. Are there any recalls or technical service bulletins related to OBDII code P1552 in a 2018 Toyota RAV4?

It is recommended to check with Toyota or authorized service centers for any recalls or technical service bulletins related to OBDII code P1552 in a 2018 Toyota RAV4, as manufacturers may provide guidance or assistance for addressing specific issues.

10. Can a DIY enthusiast without much experience fix OBDII code P1552 in a 2018 Toyota RAV4?

While some aspects of diagnosing and repairing OBDII code P1552 may be within reach for a DIY enthusiast with basic automotive knowledge and tools, it is recommended to seek professional help for accurate diagnosis and proper repair to ensure the issue is resolved effectively and safely.

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