BMW DTC P0C81 – Hybrid/EV Battery Temperature Sensor ‘H’ Circuit
DTC P0C81 meaning on BMW
DTC P0C81 on a BMW indicates an issue with the Hybrid/EV Battery Temperature Sensor ‘H’ circuit. This fault code is specific to the temperature sensor associated with the hybrid or electric vehicle battery system.
BMW DTC P0C81 symptoms
Symptoms of DTC P0C81 on a BMW may include:
- Check Engine Light illuminated
- Hybrid/EV system warning light on
- Reduced hybrid or electric vehicle performance
- Increased fuel consumption
BMW DTC P0C81 causes
Common causes of DTC P0C81 on a BMW include:
- Faulty Hybrid/EV Battery Temperature Sensor ‘H’
- Wiring or connection issues in the sensor circuit
- Corrosion or damage to sensor components
BMW DTC P0C81 seriousness
The seriousness of DTC P0C81 on a BMW should not be ignored, as it can lead to potential issues with the hybrid or electric vehicle system. Ignoring this fault code may result in reduced efficiency and performance of the vehicle.
How to diagnose DTC P0C81 on BMW
To diagnose DTC P0C81 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the Hybrid/EV Battery Temperature Sensor ‘H’ and its wiring for any visible damage
- Test the sensor’s resistance and voltage readings to ensure proper functionality
- Check for any corrosion or loose connections in the sensor circuit
How to fix DTC P0C81 on BMW
To fix DTC P0C81 on a BMW, you can try the following:
- Replace the faulty Hybrid/EV Battery Temperature Sensor ‘H’
- Repair or replace any damaged wiring or connections in the sensor circuit
- Clean any corrosion from sensor components and ensure proper connections
- Clear the fault code and reset the system
How to erase DTC P0C81 on BMW
To erase DTC P0C81 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s system memory. Once the issue has been resolved and the fault code erased, the Check Engine Light should turn off.
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.