BMW DTC P0C49 – Hybrid/EV Battery Pack Coolant Pump ‘A’ Control Circuit High
DTC P0C49 meaning on BMW
DTC P0C49 on a BMW indicates an issue with the Hybrid/EV Battery Pack Coolant Pump ‘A’ Control Circuit being detected as high. This fault code is specific to the hybrid or electric vehicle system of the BMW.
BMW DTC P0C49 symptoms
Symptoms of DTC P0C49 on a BMW may include:
- Check Engine Light illuminated
- Hybrid/EV system warning light on
- Reduced hybrid or electric vehicle performance
- Possible overheating of the battery pack
BMW DTC P0C49 causes
Possible causes of DTC P0C49 on a BMW include:
- Faulty Hybrid/EV Battery Pack Coolant Pump ‘A’
- Wiring or connection issues in the control circuit
- Software or programming issues
BMW DTC P0C49 seriousness
The seriousness of DTC P0C49 on a BMW lies in the potential impact on the hybrid or electric vehicle system. Ignoring this fault code can lead to further damage to the battery pack or affect the overall performance of the vehicle.
How to diagnose DTC P0C49 on BMW
To diagnose DTC P0C49 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and any related codes.
- Inspect the Hybrid/EV Battery Pack Coolant Pump ‘A’ and its connections for any visible damage.
- Check the wiring harness and connectors for any signs of wear or corrosion.
- Perform a system test to check the functionality of the coolant pump and control circuit.
How to fix DTC P0C49 on BMW
To fix DTC P0C49 on a BMW, you can try the following:
- Replace the faulty Hybrid/EV Battery Pack Coolant Pump ‘A’ if necessary.
- Repair any damaged wiring or connectors in the control circuit.
- Update the software or programming related to the hybrid or electric vehicle system.
- Clear the fault codes and perform a test drive to ensure the issue is resolved.
How to erase DTC P0C49 on BMW
To erase DTC P0C49 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After fixing the underlying issue causing the fault code, clearing it will reset the Check Engine Light and any related warnings.
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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