BMW DTC P1A4C – Hybrid/EV Battery Pack Voltage and Current Sensor, Voltage Measuring Circuit, Measuring Value Too Low
DTC P1A4C meaning on BMW
The DTC P1A4C on a BMW refers to an issue with the Hybrid/EV Battery Pack Voltage and Current Sensor, specifically indicating that the Voltage Measuring Circuit is detecting a Measuring Value that is Too Low.
BMW DTC P1A4C symptoms
Symptoms of the BMW DTC P1A4C may include:
- Reduced electric driving range
- Decreased hybrid system performance
- Warning lights on the dashboard related to the hybrid system
BMW DTC P1A4C causes
The causes of the BMW DTC P1A4C can vary, but common reasons include:
- Faulty Hybrid/EV Battery Pack Voltage and Current Sensor
- Issues with the Voltage Measuring Circuit
- Low battery voltage
BMW DTC P1A4C seriousness
The seriousness of the BMW DTC P1A4C code lies in the potential impact on the hybrid system’s performance and efficiency. Ignoring this issue can lead to further damage to the hybrid components and may result in the vehicle not operating as intended.
How to diagnose DTC P1A4C on BMW
To diagnose the DTC P1A4C on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the Hybrid/EV Battery Pack Voltage and Current Sensor for any visible damage
- Check the Voltage Measuring Circuit for proper connections and functionality
- Test the battery voltage to ensure it meets the required specifications
How to fix DTC P1A4C on BMW
Fixing the DTC P1A4C on a BMW may involve:
- Replacing the faulty Hybrid/EV Battery Pack Voltage and Current Sensor
- Repairing or replacing any damaged components in the Voltage Measuring Circuit
- Charging or replacing the hybrid battery if the voltage is too low
How to erase DTC P1A4C on BMW
To erase the DTC P1A4C on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made, the codes can be reset, and the system can be rechecked to 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
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