BMW DTC P0C48 – Hybrid/EV Battery Pack Coolant Pump ‘A’ Control Circuit Low
DTC P0C48 meaning on BMW
The DTC P0C48 code on a BMW indicates an issue with the Hybrid/EV Battery Pack Coolant Pump ‘A’ Control Circuit being detected as low. This means that there is a problem with the control circuit of the coolant pump for the hybrid or electric vehicle battery pack.
BMW DTC P0C48 symptoms
Symptoms of the BMW DTC P0C48 code may include:
- Check Engine Light illuminated
- Hybrid/EV system not functioning properly
- Reduced fuel efficiency
- Overheating of the battery pack
BMW DTC P0C48 causes
Possible causes of the BMW DTC P0C48 code include:
- Faulty Hybrid/EV Battery Pack Coolant Pump
- Issues with the control circuit wiring
- Defective coolant pump relay
- Low coolant level
BMW DTC P0C48 seriousness
The DTC P0C48 code should be addressed promptly as it can lead to overheating of the battery pack, which can cause damage to the hybrid or electric vehicle system. Ignoring this issue may result in further complications and potentially costly repairs.
How to diagnose DTC P0C48 on BMW
To diagnose the DTC P0C48 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the Hybrid/EV Battery Pack Coolant Pump for any visible damage
- Check the control circuit wiring for any loose connections or breaks
- Test the coolant pump relay for proper functionality
- Verify the coolant level in the system
How to fix DTC P0C48 on BMW
To fix the DTC P0C48 code on a BMW, the following steps may be taken:
- Replace the faulty Hybrid/EV Battery Pack Coolant Pump
- Repair or replace any damaged control circuit wiring
- Replace the defective coolant pump relay
- Ensure the coolant level is at the appropriate level
How to erase DTC P0C48 on BMW
After addressing the underlying issue causing the DTC P0C48 code on a BMW, the code can be erased using a diagnostic scanner. The scanner can clear the fault codes stored in the vehicle’s computer system, resetting the Check Engine Light and allowing for a fresh start.
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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