P0ACD Fault Code

Hybrid Battery Temperature Sensor "C" Circuit High

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0ACD fault code indicates an issue with the Hybrid Battery Temperature Sensor "C" Circuit, which typically signifies that the voltage reading from this sensor is higher than expected. This sensor is crucial for monitoring the temperature of the hybrid battery, ensuring it operates within safe limits.

What are the symptoms of the P0ACD code?

Symptoms that may accompany the P0ACD code include:

• Warning lights on the dashboard, such as the hybrid system warning.
• Reduced hybrid system performance or efficiency.
• System overheating, leading to potential battery damage.
• In extreme cases, the vehicle may enter fail-safe mode to prevent further damage.

What causes the P0ACD code?

The primary causes of this fault could include:

• A malfunctioning Hybrid Battery Temperature Sensor.
• Wiring issues, such as short circuits or frayed wires.
• Poor connections or corrosion at sensor terminals.
• Faulty Engine Control Module (ECM) communication.

How to fix P0ACD?

To resolve the P0ACD code, the following steps are recommended:

• Inspect the Hybrid Battery Temperature Sensor "C" for any visible damage or disconnection.
• Check the wiring harness and connections for signs of wear or corrosion.
• Test the sensor's resistance and replace it if it is faulty.
• Clear the fault codes and monitor the system to ensure the issue is resolved.