The DiabloSport Gateway Bypass Harness 18GBC bypasses the factory security gateway on 2018 and newer Dodge, Ram and Jeep vehicles so DiabloSport tuning products can communicate on the vehicle data bus. It installs behind the dash and connects to the factory STAR connectors.
Specifications:
- Product line: DiabloSport gateway bypass harness
- Type: serial data gateway bypass module
- Function: bypasses the factory gateway module to allow tuning communication
- Installation: mounts behind the dash, connects to factory STAR connectors
- Instructions included
- Application: 2018 and newer Dodge, Ram and Jeep vehicles
Fitment: Fits 2018 and newer Dodge, Ram and Jeep vehicles that use the factory security gateway.
FAQ
What does the DiabloSport 18GBC gateway bypass harness do?
It bypasses the factory security gateway on 2018 and newer Dodge, Ram and Jeep vehicles so a DiabloSport tuning device can communicate on the vehicle data bus.
Where does the 18GBC install?
The harness installs behind the dash and plugs into the factory STAR connectors. Instructions are included.
Is the gateway bypass harness required for tuning?
On 2018 and newer Dodge, Ram and Jeep vehicles with the factory gateway, a bypass harness is required for a DiabloSport tuner to communicate with the vehicle.
Does the 18GBC harness add horsepower on its own?
No. The harness only enables communication for tuning. Power changes come from the DiabloSport tuning device and tunes.

