Thieves are increasingly using electronic devices to access vehicles via their OBD ports, enabling them to start and steal cars without the owner’s key.
Victoria Police data has shown that 20 per cent of car thefts in 2024 were stolen using this method.
RACV motoring products general manager Jeff Ames explained how thieves were targeting modern vehicles.
“By connecting unauthorised devices to a vehicle’s OBD port, a thief can communicate directly with the car’s engine control unit, allowing them to program a new key or even start the engine without the original key,” Mr Ames said.
In addition to OBD port-related theft, RACV is also warning motorists of ‘relay theft’ — where thieves use a device to amplify a signal from your car key, tricking a car to unlock and even start.
"As vehicle technology advances, so do the methods employed by criminals, so it's crucial for motorists to be aware of these tactics and take appropriate steps to protect their vehicles,” Mr Ames said.
RACV recommends the installation of OBD port locks to prevent push-start car theft.
An OBD lock works by physically securing the OBD port, preventing unauthorised access.
In general, OBD port locks are easy to install yourself.
They are cheap and readily available from auto shops and vehicle anti-theft websites.
You can test the installation by attempting to connect to the OBD port with a diagnostic tool.
The lock should prevent access, confirming that your installation was successful.
To install an OBD port lock:
- Turn your vehicle off and remove any keys.
- Locate the OBD port in your car, usually found under the dashboard near the driver’s seat.
- Gently remove any panels or coverings over the OBD port.
- Secure the lock in place over the OBD port, following the instructions provided with your OBD lock kit.
- Reattach any panels or coverings you removed earlier.
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