Freightliner Cascadia GHG21 DTC Eraser

Freightliner Cascadia GHG21 Fault Code Cleaner – OBD Diagnostic Reset Tool

The Freightliner Cascadia GHG21 Fault Code Cleaner by Canbus Emulator is a professional diagnostic device designed to quickly clear stored fault codes in modern Freightliner Cascadia trucks.

This device connects directly to the vehicle’s OBD diagnostic port and safely clears accumulated fault codes stored in multiple electronic control systems, including the engine, braking system, transmission, and emission control modules.

By removing stored fault codes and dashboard warnings, the device allows technicians to verify completed repairs and helps ensure the vehicle can return to normal operation without persistent error notifications.

General Information

Freightliner Cascadia trucks rely on advanced electronic control units that monitor engine performance, braking systems, vehicle communication modules, and emission control systems. When faults occur, these systems store diagnostic codes that may trigger warning messages or operational restrictions.

The Freightliner Cascadia GHG21 Fault Code Cleaner allows technicians to reset these stored faults safely after maintenance or repairs, helping restore normal vehicle operation.

Supported Fault Codes

The device can clear a variety of diagnostic fault codes commonly found in Freightliner Cascadia vehicles, including:

• Engine system fault code 128
• ABS braking system fault code 136
• Satellite communication system fault code 181
• Additional ECU fault codes stored within vehicle control modules

Supported Vehicle Systems

• Brake system
• Engine control system
• Vehicle central computer (GM)
• Automatic transmission
• Tachograph system
• Retarder system
• Suspension system
• AdBlue emission control system

Operational Benefits

• Quickly clears stored diagnostic fault codes
• Removes dashboard warning messages
• Supports multiple vehicle electronic systems
• Helps verify successful repair procedures
• Simple plug-and-play operation via OBD port

Usage Instructions

• Turn on the ignition without starting the engine.
• Plug the device into the vehicle’s OBD socket.
• Wait approximately 30 seconds for activation.
• Turn off the ignition.
• Remove the device from the OBD socket.
• Wait another 30 seconds.
• Start the engine.

Additional Functionality

After repair or replacement of faulty exhaust after-treatment components, this device may assist in removing torque or speed limitations caused by stored system faults.

Important Information

This product is intended for professional diagnostic and repair procedures. Installation and use should be performed by qualified commercial vehicle technicians.