P2684 Fault Code

Actuator Supply Voltage C Circuit/Open

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

The P2684 fault code refers to an issue with the Actuator Supply Voltage C Circuit, indicating that there is an open circuit or an insufficient voltage supply to the actuator components. This may affect various systems that rely on this voltage to operate properly.

What are the symptoms of the P2684 code?

Common symptoms associated with this fault code may include:

• Malfunctioning or inoperative actuator functions (such as throttle control).
• Warning lights illuminated on the dashboard, specifically check engine light.
• Erratic vehicle behavior or decreased performance due to non-functioning components.

What causes the P2684 code?

There are several potential causes for the P2684 fault code, including:

• A broken or disconnected wiring harness leading to the actuator.
• A faulty actuator that draws excessive current.
• Poor connections at the actuator or various points in the circuit.
• A malfunctioning power supply or battery issues affecting the actuator circuit.

How to fix P2684?

To resolve the P2684 fault code, the following steps should be taken:

1. Inspect the wiring and connectors leading to the actuator for damage or corrosion.
2. Repair or replace any faulty wiring or connectors as needed.
3. Test the actuator for functionality and replace if it is found to be defective.
4. Verify the voltage supply to the actuator and ensure it is within the manufacturer's specifications.
5. Clear the fault code and conduct a road test to confirm the issue is resolved.