BMW DTC P1C4E – Universal Charger Extension Control Module Crash Clamp Voltage Sensor Circuit Voltage Out of Range High
DTC P1C4E meaning on BMW
DTC P1C4E is a fault code that indicates an issue with the Universal Charger Extension Control Module Crash Clamp Voltage Sensor Circuit Voltage being out of range high in a BMW vehicle.
BMW DTC P1C4E symptoms
Symptoms of the DTC P1C4E in a BMW may include warning lights on the dashboard related to the charging system, erratic behavior of the charging system, and potential issues with the vehicle’s battery charging.
BMW DTC P1C4E causes
The DTC P1C4E in a BMW can be caused by a faulty Universal Charger Extension Control Module, damaged wiring or connectors in the voltage sensor circuit, or issues with the voltage sensor itself.
BMW DTC P1C4E seriousness
The seriousness of the DTC P1C4E fault code in a BMW lies in the potential impact on the vehicle’s charging system and battery health. Ignoring this fault code can lead to further electrical issues and potential battery failure.
How to diagnose DTC P1C4E on BMW
To diagnose the DTC P1C4E on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a thorough inspection of the Universal Charger Extension Control Module, voltage sensor circuit, and related components to identify the root cause of the issue.
How to fix DTC P1C4E on BMW
Fixing the DTC P1C4E on a BMW may involve replacing the Universal Charger Extension Control Module, repairing or replacing damaged wiring or connectors in the voltage sensor circuit, or replacing the faulty voltage sensor itself. It is recommended to follow the manufacturer’s repair procedures and use genuine BMW parts for the best results.
How to erase DTC P1C4E on BMW
Once the underlying issue causing the DTC P1C4E in a BMW has been fixed, the fault code can be erased using a diagnostic scanner capable of clearing fault codes. This will reset the vehicle’s system and turn off the warning lights associated with the fault code.
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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