BMW DTC P1C70 – Universal Charger Extension Control Module DC/DC Converter Discharge Circuit Current Implausible High
DTC P1C70 meaning on BMW
DTC P1C70 is a fault code that indicates an issue with the Universal Charger Extension Control Module DC/DC Converter Discharge Circuit Current being implausibly high in a BMW vehicle. This fault code is specific to BMW vehicles and is related to the charging system.
BMW DTC P1C70 symptoms
Symptoms of BMW DTC P1C70 may include:
- Check Engine Light illuminated on the dashboard
- Reduced charging efficiency
- Battery not charging properly
- Vehicle may go into limp mode
BMW DTC P1C70 causes
Possible causes of BMW DTC P1C70 include:
- Faulty Universal Charger Extension Control Module
- Issues with the DC/DC Converter Discharge Circuit
- Wiring or connection problems
- Software issues
BMW DTC P1C70 seriousness
The seriousness of BMW DTC P1C70 lies in the potential for charging system malfunctions, which can lead to battery issues and affect the overall performance of the vehicle. It is important to address this fault code promptly to prevent further complications.
How to diagnose DTC P1C70 on BMW
To diagnose BMW DTC P1C70, a thorough inspection of the charging system components, including the Universal Charger Extension Control Module and DC/DC Converter Discharge Circuit, is necessary. This may involve:
- Using a diagnostic scanner to retrieve the fault code and related data
- Inspecting the wiring and connections for any visible damage or corrosion
- Testing the charging system components for proper functionality
- Checking for any software updates or programming issues
How to fix DTC P1C70 on BMW
To fix BMW DTC P1C70, the following steps may be taken:
- Replace the faulty Universal Charger Extension Control Module if necessary
- Repair or replace any damaged wiring or connections in the charging system
- Address any issues with the DC/DC Converter Discharge Circuit
- Update software or perform programming as needed
How to erase DTC P1C70 on BMW
After addressing the root cause of BMW DTC P1C70 and completing the necessary repairs, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and reset the Check Engine Light. It is important to ensure that the issue has been resolved before clearing 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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