what does it mean when the EPC light comes on in my Volkswagen Tiguan?

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, cleaning supplies.
• Ensure the vehicle is parked on a level surface and the engine is turned off.
• Disconnect the battery negative terminal for safety.

2. Throttle Body Cleaning

• Remove the air intake duct from the throttle body.
• Use a throttle body cleaner and a soft cloth to clean the throttle plate and surrounding areas.
• Ensure no cleaner enters the intake manifold.

3. Inspect and Replace Sensors

• If the accelerator pedal position sensor is faulty:
  1. Disconnect the electrical connector.
  2. Remove the mounting screws and take out the sensor.
  3. Install the new sensor by reversing the removal steps.

4. Reconnect and Test

• Reconnect the battery terminal.
• Reconnect any components that were removed during the process.
• Start the engine and check for any warning lights.
• Clear any stored trouble codes using the OBD-II scanner.