BMW DTC P1C54 – Universal Charger Extension Control Module System Voltage Sensor Circuit Voltage Out of Range High
DTC P1C54 meaning on BMW
DTC P1C54 on a BMW refers to the Universal Charger Extension Control Module System Voltage Sensor Circuit Voltage Out of Range High. This diagnostic trouble code indicates that the voltage sensor circuit in the charger extension control module is detecting a voltage level that is higher than the specified range.
BMW DTC P1C54 symptoms
Symptoms of BMW DTC P1C54 may include:
- Check Engine Light illuminated
- Charging system issues
- Reduced battery performance
BMW DTC P1C54 causes
Possible causes of BMW DTC P1C54 include:
- Faulty voltage sensor
- Wiring or connection issues in the voltage sensor circuit
- Charger extension control module malfunction
BMW DTC P1C54 seriousness
While BMW DTC P1C54 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential charging system failures and battery issues.
How to diagnose DTC P1C54 on BMW
To diagnose BMW DTC P1C54, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the voltage sensor circuit for any visible damage or loose connections
- Test the voltage sensor for proper operation
- Check the charger extension control module for faults
How to fix DTC P1C54 on BMW
To fix BMW DTC P1C54, the following steps may be taken:
- Replace the faulty voltage sensor if necessary
- Repair any damaged wiring or connections in the voltage sensor circuit
- If the charger extension control module is faulty, it may need to be replaced
How to erase DTC P1C54 on BMW
After addressing the underlying issue causing BMW DTC P1C54, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and erase the DTC from the vehicle’s memory.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.