BMW DTC P1A3C – Hybrid/EV Battery Pack Voltage and Current Sensor, Current Measuring Circuit, Measuring Value Too High
DTC P1A3C meaning on BMW
The DTC P1A3C code on a BMW indicates an issue with the Hybrid/EV Battery Pack Voltage and Current Sensor, specifically that the Measuring Value is Too High. This sensor is responsible for monitoring the voltage and current levels within the hybrid or electric vehicle battery pack.
BMW DTC P1A3C symptoms
Symptoms of the DTC P1A3C code on a BMW may include:
- Check Engine Light illuminated
- Reduced hybrid or electric vehicle performance
- Decreased fuel efficiency
- Vehicle may go into a reduced power mode
BMW DTC P1A3C causes
Common causes of the DTC P1A3C code on a BMW include:
- Faulty Hybrid/EV Battery Pack Voltage and Current Sensor
- Issues with the current measuring circuit
- High voltage or current levels in the battery pack
BMW DTC P1A3C seriousness
The DTC P1A3C code should be addressed promptly as it can affect the performance and efficiency of the hybrid or electric vehicle. Ignoring this code may lead to further damage to the battery pack or other components.
How to diagnose DTC P1A3C on BMW
To diagnose the DTC P1A3C code 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 current measuring circuit for proper operation
- Measure the voltage and current levels in the battery pack
How to fix DTC P1A3C on BMW
To fix the DTC P1A3C code on a BMW, the following steps may be taken:
- Replace the faulty Hybrid/EV Battery Pack Voltage and Current Sensor
- Repair any issues with the current measuring circuit
- Reset the fault codes and test drive the vehicle to ensure the code does not return
How to erase DTC P1A3C on BMW
To erase the DTC P1A3C code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. Once the codes are cleared, the mechanic should test drive the vehicle 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
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.