P1552 Lexus 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 Lexus 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.
Code P1552 Lexus Description
What are the Possible Causes of the DTC P1552 Lexus?
- 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 Lexus?
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 Lexus 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.
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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.
Discuss the causes and fixes for P1552 Lexus OBDII Code
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