BMW DTC P1C8C – Universal Charger Extension Control Module DC/DC Converter Transformer Temperature Sensor Circuit Temperature Out of Range Low
DTC P1C8C meaning on BMW
The DTC P1C8C on a BMW refers to the Universal Charger Extension Control Module DC/DC Converter Transformer Temperature Sensor Circuit Temperature Out of Range Low fault code. This code indicates that the temperature sensor circuit for the DC/DC converter transformer in the charger extension control module is detecting a temperature that is lower than the expected range.
BMW DTC P1C8C symptoms
Symptoms of the BMW DTC P1C8C may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Reduced charging efficiency for the vehicle’s battery
- Potential issues with the charging system
BMW DTC P1C8C causes
The BMW DTC P1C8C fault code can be caused by various factors, including:
- Faulty temperature sensor in the DC/DC converter transformer circuit
- Wiring or connection issues in the temperature sensor circuit
- Environmental factors affecting the temperature readings
BMW DTC P1C8C seriousness
The seriousness of the BMW DTC P1C8C fault code lies in its potential impact on the charging system of the vehicle. If left unresolved, it can lead to inefficient charging of the battery and potential issues with the vehicle’s electrical system.
How to diagnose DTC P1C8C on BMW
To diagnose the DTC P1C8C on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the temperature sensor circuit for any visible damage or loose connections
- Test the temperature sensor for proper functionality
- Check for any environmental factors that may be affecting the sensor readings
How to fix DTC P1C8C on BMW
Fixing the DTC P1C8C on a BMW may involve the following steps:
- Replace the faulty temperature sensor in the DC/DC converter transformer circuit
- Repair any wiring or connection issues in the temperature sensor circuit
- Ensure proper installation and calibration of the new sensor
- Clear the fault code and perform a test drive to verify the repair
How to erase DTC P1C8C on BMW
To erase the DTC P1C8C fault code on a BMW, a mechanic can use a diagnostic scanner to clear the code from the vehicle’s memory. After the repair has been completed and the issue resolved, clearing the fault code will reset the Check Engine Light and ensure that the system is functioning properly.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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