BMW DTC P1C90 – Loading Interface Module Charging Station Input Signal Circuit High
DTC P1C90 meaning on BMW
The Diagnostic Trouble Code (DTC) P1C90 for BMW refers to the ¨Loading Interface Module Charging Station Input Signal Circuit High.¨ This code indicates that there is a high voltage signal detected in the input circuit of the charging station interface module.
BMW DTC P1C90 symptoms
Symptoms associated with BMW DTC P1C90 may include:
- Charging issues with the vehicle’s battery
- Malfunction of the charging station interface
- Illumination of the battery warning light on the dashboard
BMW DTC P1C90 causes
Common causes of BMW DTC P1C90 include:
- Faulty charging station interface module
- Short circuit in the input signal circuit
- High resistance in the charging system
BMW DTC P1C90 seriousness
The seriousness of BMW DTC P1C90 lies in the potential charging issues it can cause. If left unresolved, it may lead to battery-related problems and affect the overall performance of the vehicle.
How to diagnose DTC P1C90 on BMW
To diagnose BMW DTC P1C90, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer
- Inspect the charging station interface module for any visible damage or loose connections
- Check the input signal circuit for continuity and proper voltage levels
How to fix DTC P1C90 on BMW
To fix BMW DTC P1C90, you can try the following:
- Replace the faulty charging station interface module
- Repair any short circuits or high resistance in the input signal circuit
- Ensure all connections are secure and properly tightened
How to erase DTC P1C90 on BMW
To erase BMW DTC P1C90, you can clear the fault codes using a diagnostic scanner. After fixing the underlying issue, you can reset the codes to see if the problem 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.