P1552 Lexus Code - Battery Current Sensor Circuit High Input
Quick Answer
The P1552 diagnostic trouble code for Lexus vehicles indicates an issue with the Battery Current Sensor Circuit High Input. Common causes include Faulty battery current sensor, Corroded or damaged wiring in the sensor circuit, Problem with the PCM. 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 Lexus indicates Battery Current Sensor Circuit High Input.
- Common causes
- Common causes include Faulty battery current sensor, Corroded or damaged wiring in the sensor circuit, Problem with the PCM.
- 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 P1552 Lexus Description
The P1552 diagnostic trouble code for Lexus vehicles indicates an issue with the Battery Current Sensor Circuit High Input. This means that the powertrain control module (PCM) has detected a higher than normal voltage input from the battery current sensor. The battery current sensor is responsible for monitoring the electrical current flowing in and out of the vehicle's battery. When the sensor detects a high input, it can lead to various issues with the vehicle's electrical system and performance.
Common Causes of P1552 Lexus
- Faulty battery current sensor
- Corroded or damaged wiring in the sensor circuit
- Problem with the PCM
- Poor electrical connections
- Battery issues such as low voltage or a failing battery
Symptoms of P1552 Lexus
- Check engine light is illuminated on the dashboard
- Engine running rough or stalling
- Decreased fuel efficiency
- Difficulty starting the vehicle
- Electrical issues such as dimming lights or power windows not working properly
How to Fix P1552 Lexus
- Diagnose the root cause of the high input from the battery current sensor using a diagnostic scanner.
- Inspect the battery current sensor and wiring for any damage or corrosion.
- Test the battery current sensor to verify if it is functioning properly.
- Replace the battery current sensor if it is found to be faulty.
- Clear the diagnostic trouble codes from the PCM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1552 Lexus
The cost of repairing a P1552 Battery Current Sensor Circuit High Input code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. Typically, the cost of parts for a new battery current sensor can range from $50 to $200, while the labor cost can range from $100 to $200. Overall, the total repair cost for this issue can range from $150 to $400. It is important to check with local auto repair shops for more accurate estimates based on your vehicle make and model, as well as the location of the repair shop.
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Frequently Asked Questions about P1552 Lexus Code
1. What does the OBDII code P1552 mean on a Lexus?
P1552 indicates a "Battery Current Sensor Circuit High Input," meaning the sensor detecting battery current is reporting values higher than expected.
2. What are the common symptoms of code P1552 in a Lexus?
Symptoms may include the check engine light appearing, poor battery charging performance, electrical system malfunctions, or intermittent starting issues.
3. What causes the P1552 code to appear in a Lexus?
Common causes include a faulty battery current sensor, damaged wiring or connectors in the sensor circuit, or issues with the vehicle's charging system.
4. Can a failing alternator trigger the P1552 code on a Lexus?
Yes, a failing alternator or overcharging issues can lead to abnormal current readings, potentially triggering the P1552 code.
5. How do you diagnose the P1552 code in a Lexus?
Diagnosis involves scanning for additional codes, inspecting the battery current sensor and its wiring for damage, and testing the sensor's output with a multimeter.
6. Can I drive my Lexus with the P1552 code present?
Driving with this code is not recommended, as it could indicate issues with the charging system, leading to potential battery failure or electrical problems.
7. How do you fix the P1552 code on a Lexus?
Repairs may include replacing the battery current sensor, repairing damaged wiring or connectors, or addressing charging system issues such as a malfunctioning alternator.
8. How much does it cost to fix the P1552 code in a Lexus?
The repair cost can range from $100 to $500 depending on whether the sensor, wiring, or alternator needs replacement.
9. Can a low battery cause the P1552 code on a Lexus?
While unlikely, a weak or failing battery can sometimes lead to irregular sensor readings and trigger this code.
10. Does resetting the check engine light fix the P1552 code?
Resetting the light may clear the code temporarily, but the underlying issue must be resolved to prevent the code from returning.
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