BMW DTC P1C76 – Universal Charger Extension Control Module DC/DC Converter High Voltage Current Sensor Circuit Current Out of Range High
DTC P1C76 meaning on BMW
The DTC P1C76 on a BMW refers to the Universal Charger Extension Control Module DC/DC Converter High Voltage Current Sensor Circuit Current Out of Range High fault code. This code indicates that the high voltage current sensor circuit within the DC/DC converter control module is detecting a current level that is outside of the expected range.
BMW DTC P1C76 symptoms
Symptoms of the BMW DTC P1C76 may include:
- Check Engine Light illuminated
- Reduced power or performance
- Vehicle may go into a reduced power or limp mode
- Increased fuel consumption
BMW DTC P1C76 causes
Possible causes of the BMW DTC P1C76 fault code include:
- Faulty high voltage current sensor
- Wiring or connection issues in the current sensor circuit
- Internal fault within the DC/DC converter control module
BMW DTC P1C76 seriousness
The DTC P1C76 fault code should be addressed promptly as it can lead to reduced performance and potential drivability issues. Ignoring this fault code may result in further damage to the vehicle’s electrical system.
How to diagnose DTC P1C76 on BMW
To diagnose the DTC P1C76 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 high voltage current sensor and its wiring for any visible damage or corrosion
- Test the current sensor’s resistance and output voltage to ensure it is functioning correctly
- Check the connections and wiring to the DC/DC converter control module
How to fix DTC P1C76 on BMW
To fix the DTC P1C76 on a BMW, the following steps may be taken:
- Replace the faulty high voltage current sensor if it is determined to be the cause of the issue
- Repair any damaged wiring or connections in the current sensor circuit
- If the fault lies within the DC/DC converter control module, it may need to be replaced or reprogrammed
How to erase DTC P1C76 on BMW
To erase the DTC P1C76 fault code on a BMW, a diagnostic scanner can be used to clear the code from the vehicle’s memory. Once the fault has been addressed and fixed, the code can be cleared to reset the Check Engine Light and ensure 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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.