P1C68 – BMW DTC

BMW DTC P1C68 – Universal Charger Extension Control Module Power Factor Correction Converter Voltage Sensor Circuit Voltage Below Threshold ‘A’

DTC P1C68 meaning on BMW

DTC P1C68 on a BMW refers to the Universal Charger Extension Control Module Power Factor Correction Converter Voltage Sensor Circuit Voltage Below Threshold ‘A’. This diagnostic trouble code indicates that the voltage sensor circuit for the power factor correction converter in the charger extension control module is detecting a voltage below the specified threshold ‘A’.

BMW DTC P1C68 symptoms

Symptoms of BMW DTC P1C68 may include:

• Check Engine Light (MIL) illuminated
• Reduced charging efficiency
• Charging system malfunctions

BMW DTC P1C68 causes

Possible causes of BMW DTC P1C68 include:

• Faulty power factor correction converter
• Issues with the voltage sensor circuit
• Wiring or connection problems

BMW DTC P1C68 seriousness

While BMW DTC P1C68 may not cause immediate drivability issues, it can lead to charging system inefficiencies and potential battery-related problems if left unresolved. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P1C68 on BMW

To diagnose BMW DTC P1C68, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes.
2. Inspect the power factor correction converter and voltage sensor circuit for any visible damage or loose connections.
3. Perform voltage tests on the sensor circuit to determine if the voltage is below the specified threshold.

How to fix DTC P1C68 on BMW

To fix BMW DTC P1C68, consider the following:

1. Repair or replace the faulty power factor correction converter.
2. Address any issues with the voltage sensor circuit, such as repairing damaged wiring or replacing the sensor if necessary.
3. Ensure all connections are secure and free of corrosion.

How to erase DTC P1C68 on BMW

To erase BMW DTC P1C68, you can use a diagnostic scanner to clear the fault codes after the underlying issue has been resolved. Once the repairs have been made, clearing the codes should reset the system and turn off the Check Engine Light.

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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