BMW DTC P1C7C – Universal Charger Extension Control Module DC/DC Converter Voltage Sensor Circuit Voltage Out of Range High
DTC P1C7C meaning on BMW
DTC P1C7C on a BMW refers to the Universal Charger Extension Control Module DC/DC Converter Voltage Sensor Circuit Voltage Out of Range High fault code. This code indicates that the voltage sensor circuit within the DC/DC converter of the charger extension control module is detecting a voltage reading that is higher than the specified range.
BMW DTC P1C7C symptoms
Symptoms associated with the BMW DTC P1C7C may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Reduced charging efficiency of the battery
- Erratic behavior of the charging system
BMW DTC P1C7C causes
The potential causes of the BMW DTC P1C7C fault code include:
- Faulty voltage sensor within the DC/DC converter
- Wiring or connection issues in the voltage sensor circuit
- Issues with the charger extension control module
BMW DTC P1C7C seriousness
The DTC P1C7C fault code should be addressed promptly to prevent potential damage to the charging system and ensure proper functioning of the vehicle’s electrical components.
How to diagnose DTC P1C7C on BMW
To diagnose the DTC P1C7C on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and associated data
- Inspect the voltage sensor circuit for any visible damage or loose connections
- Test the voltage sensor for proper functionality
- Check the charger extension control module for any signs of malfunction
How to fix DTC P1C7C on BMW
To fix the DTC P1C7C on a BMW, the following steps may be taken:
- Replace the faulty voltage sensor within the DC/DC converter
- Repair any wiring or connection issues in the voltage sensor circuit
- If necessary, replace the charger extension control module
- Clear the fault code from the vehicle’s memory after the repairs have been completed
How to erase DTC P1C7C on BMW
To erase the DTC P1C7C fault code on a BMW, a diagnostic scanner can be used to clear the code from the vehicle’s memory after the underlying issue has been resolved.
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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