BMW DTC P1C75 – Universal Charger Extension Control Module DC/DC Converter High Voltage Current Sensor Circuit High
DTC P1C75 meaning on BMW
DTC P1C75 on a BMW refers to the Universal Charger Extension Control Module DC/DC Converter High Voltage Current Sensor Circuit High. This diagnostic trouble code indicates an issue with the high voltage current sensor circuit in the DC/DC converter of the universal charger extension control module.
BMW DTC P1C75 symptoms
Symptoms of BMW DTC P1C75 may include:
- Check Engine Light illuminated
- Reduced power or performance
- Vehicle may go into a reduced power mode
BMW DTC P1C75 causes
Common causes of BMW DTC P1C75 include:
- Faulty high voltage current sensor
- Wiring or connection issues in the sensor circuit
- Malfunctioning DC/DC converter
BMW DTC P1C75 seriousness
The seriousness of BMW DTC P1C75 lies in the potential impact on the vehicle’s performance and safety. Ignoring this fault code can lead to further damage to the charging system and may result in the vehicle not operating properly.
How to diagnose DTC P1C75 on BMW
To diagnose DTC P1C75 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the high voltage current sensor and its wiring for any visible damage
- Test the sensor’s resistance and voltage output
- Check the DC/DC converter for proper operation
How to fix DTC P1C75 on BMW
To fix DTC P1C75 on a BMW, you can:
- Replace the faulty high voltage current sensor
- Repair any damaged wiring or connections in the sensor circuit
- If the DC/DC converter is faulty, replace or repair it
How to erase DTC P1C75 on BMW
To erase DTC P1C75 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- After fixing the underlying issue, drive the vehicle to allow the system to retest and verify the repair
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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