BMW DTC P1C6B – Universal Charger Extension Control Module Internal DC Link Voltage Sensor Circuit High
DTC P1C6B meaning on BMW
DTC P1C6B is a fault code that indicates an issue with the Universal Charger Extension Control Module Internal DC Link Voltage Sensor Circuit being too high in a BMW vehicle. This fault code is specific to BMW vehicles and is related to the charging system of the vehicle.
BMW DTC P1C6B symptoms
Symptoms of DTC P1C6B in a BMW may include:
- Check Engine Light illuminated on the dashboard
- Charging system warning light may be on
- Issues with the vehicle’s charging system
BMW DTC P1C6B causes
The potential causes of DTC P1C6B in a BMW include:
- Faulty Universal Charger Extension Control Module
- Internal DC Link Voltage Sensor Circuit malfunction
- Wiring or connection issues in the charging system
BMW DTC P1C6B seriousness
DTC P1C6B should be addressed promptly as it indicates a problem with the vehicle’s charging system. Ignoring this fault code can lead to issues with the battery not charging properly, which can result in the vehicle not starting or other electrical system malfunctions.
How to diagnose DTC P1C6B on BMW
To diagnose DTC P1C6B on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to read the fault codes stored in the vehicle’s computer
- Inspect the Universal Charger Extension Control Module and the DC Link Voltage Sensor Circuit for any visible damage or signs of malfunction
- Check the wiring and connections in the charging system for any issues
How to fix DTC P1C6B on BMW
To fix DTC P1C6B on a BMW, the following steps may be taken:
- Replace the faulty Universal Charger Extension Control Module if necessary
- Repair or replace the Internal DC Link Voltage Sensor Circuit if it is malfunctioning
- Address any wiring or connection issues in the charging system
How to erase DTC P1C6B on BMW
To erase DTC P1C6B on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s computer. Once the underlying issue has been addressed and fixed, the fault code can be cleared to reset the Check Engine Light and ensure that the 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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