P1552
Battery Current Sensor Circuit High Input
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine Light Is On
- Charging system is not working properly
- Reduced generator efficiency
- Possible problems starting the engine
- Malfunctions in the operation of volatile vehicle systems
Causes
- Battery current sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check the continuity of the current sensor circuit
- Inspect the connectors and contacts of the sensor
- Check the functionality of the current sensor
- Measure the voltage in the sensor circuit
- If necessary, replace the battery current sensor