BMW DTC P0C44 – Hybrid/EV Battery Pack Coolant Temperature Sensor ‘A’ Circuit Low
DTC P0C44 meaning on BMW
DTC P0C44 on a BMW indicates an issue with the Hybrid/EV Battery Pack Coolant Temperature Sensor ‘A’ Circuit registering a low voltage signal. This sensor is responsible for monitoring the temperature of the battery pack coolant in hybrid or electric vehicles.
BMW DTC P0C44 symptoms
Symptoms of DTC P0C44 on a BMW may include:
- Check Engine Light illuminated
- Inaccurate temperature readings on the dashboard
- Reduced fuel efficiency
- Possible engine overheating
BMW DTC P0C44 causes
Common causes of DTC P0C44 on a BMW include:
- Faulty Hybrid/EV Battery Pack Coolant Temperature Sensor ‘A’
- Wiring or connection issues in the sensor circuit
- Corrosion or damage to sensor components
BMW DTC P0C44 seriousness
Ignoring DTC P0C44 on a BMW can lead to potential issues such as inaccurate temperature readings, reduced performance, and possible damage to the hybrid or electric vehicle’s battery pack. It is important to address this code promptly to prevent further complications.
How to diagnose DTC P0C44 on BMW
To diagnose DTC P0C44 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the Hybrid/EV Battery Pack Coolant Temperature Sensor ‘A’ and its wiring for any visible damage
- Test the sensor’s resistance and voltage output to determine if it is functioning correctly
- Check for any loose connections or corrosion in the sensor circuit
How to fix DTC P0C44 on BMW
To fix DTC P0C44 on a BMW, the following steps may be taken:
- Replace the faulty Hybrid/EV Battery Pack Coolant Temperature Sensor ‘A’
- Repair or replace any damaged wiring or connections in the sensor circuit
- Clean any corrosion from sensor components
- Clear the fault code and test drive the vehicle to ensure the issue has been resolved
How to erase DTC P0C44 on BMW
To erase DTC P0C44 on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s memory. After the repair has been completed, the code can be erased to reset the Check Engine Light and ensure that 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.