BMW DTC P1C72 – Universal Charger Extension Control Module DC/DC Converter Current Sensor Circuit High
DTC P1C72 meaning on BMW
DTC P1C72 on a BMW refers to the Universal Charger Extension Control Module DC/DC Converter Current Sensor Circuit High. This diagnostic trouble code indicates that there is a high voltage reading in the current sensor circuit of the DC/DC converter within the universal charger extension control module.
BMW DTC P1C72 symptoms
Symptoms of BMW DTC P1C72 may include:
- Check Engine Light illuminated
- Reduced charging efficiency
- Issues with the vehicle’s charging system
BMW DTC P1C72 causes
Common causes of BMW DTC P1C72 include:
- Faulty current sensor
- Wiring or connection issues in the current sensor circuit
- Malfunctioning DC/DC converter
BMW DTC P1C72 seriousness
The seriousness of BMW DTC P1C72 lies in the potential impact on the vehicle’s charging system. If left unresolved, it can lead to issues with the battery charging and overall electrical system performance.
How to diagnose DTC P1C72 on BMW
To diagnose DTC P1C72 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the current sensor and its wiring for any visible damage
- Test the DC/DC converter for proper functionality
How to fix DTC P1C72 on BMW
To fix DTC P1C72 on a BMW, you may need to:
- Replace the faulty current sensor
- Repair any damaged wiring or connections in the circuit
- If necessary, replace the DC/DC converter
How to erase DTC P1C72 on BMW
To erase DTC P1C72 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- After making the necessary repairs, perform a system reset to ensure the code does not reappear
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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