BMW DTC P0ACD – Hybrid/EV Battery Temperature Sensor ‘C’ Circuit High
DTC P0ACD meaning on BMW
DTC P0ACD on a BMW indicates an issue with the Hybrid/EV Battery Temperature Sensor ‘C’ Circuit registering a high voltage. This sensor is responsible for monitoring the temperature of the hybrid or electric vehicle battery pack.
BMW DTC P0ACD symptoms
Symptoms of the DTC P0ACD on a BMW may include:
- Check Engine Light illuminated
- Reduced hybrid or electric vehicle performance
- Increased fuel consumption
- Hybrid system not engaging properly
BMW DTC P0ACD causes
Common causes of the DTC P0ACD on a BMW include:
- Faulty Hybrid/EV Battery Temperature Sensor ‘C’
- Wiring or connection issues in the sensor circuit
- Corrosion or damage to sensor connectors
BMW DTC P0ACD seriousness
The seriousness of the DTC P0ACD on a BMW depends on the underlying cause. Ignoring this fault can lead to further damage to the hybrid or electric vehicle system and may result in decreased performance and efficiency.
How to diagnose DTC P0ACD on BMW
To diagnose the DTC P0ACD on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the Hybrid/EV Battery Temperature Sensor ‘C’ and its wiring for any visible damage
- Check the sensor’s resistance and voltage readings to determine if it is functioning correctly
- Perform a visual inspection of the sensor connectors and harness for any signs of corrosion or loose connections
How to fix DTC P0ACD on BMW
To fix the DTC P0ACD on a BMW, consider the following steps:
- Replace the faulty Hybrid/EV Battery Temperature Sensor ‘C’
- Repair any damaged wiring or connections in the sensor circuit
- Clean or replace corroded sensor connectors
- Clear the fault code and test drive the vehicle to ensure the issue is resolved
How to erase DTC P0ACD on BMW
To erase the DTC P0ACD on a BMW, use a diagnostic scanner to clear the fault code from the vehicle’s memory. After clearing the code, perform a test drive to confirm 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
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