P0513 Fault Code

Incorrect Immobilizer Key

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

The P0513 fault code indicates that the engine control module (ECM) has detected an issue with the immobilizer system. Specifically, this code is triggered when the ECM receives an incorrect signal from the key or key fob used to start the vehicle. This can happen if the key is not programmed correctly or if there is a problem with the transponder in the key.

What are the symptoms of the P0513 code?

Symptoms associated with the P0513 code may include:

• The engine does not start or turns over but fails to start
• Intermittent issues with starting the vehicle
• Warning light on the dashboard related to the immobilizer system
• Reduced functionality of other electronic systems in the vehicle.

What causes the P0513 code?

Common causes for the P0513 fault code include:

• Using a non-transponder key or an unauthorized duplicate key
• Issues with the key fob's battery
• Malfunction of the immobilizer system or its components
• Weak or dead battery in the vehicle affecting the electronic systems
• A fault in the vehicle's engine control module (ECM) or its software.

How to fix P0513?

To resolve the P0513 fault code, consider the following steps:

• Verify that you are using the correct key for the vehicle; reprogram or replace it if necessary.
• Check the battery of the key fob and replace it if it's weak or dead.
• Inspect the immobilizer system's wiring and components for any signs of damage or corrosion.
• If the issue persists, the vehicle may require a professional diagnostic to check the ECM and related systems for faults.