Scan Tool Data List
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
TBCM Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition is ON, engine OFF, and vehicle is stationary | |||
| ABS Active | TBCM | Yes/No | No |
| Brake Apply Pressure Status | TBCM | Invalid/Valid | Valid |
| Battery Voltage Signal | TBCM | Volts | B+ |
| Brake Switch Status | TBCM | On/Off | Off |
| Electric Trailer Brakes Detected | TBCM | Yes/No | No |
| TBCM Diagnostic Fault | TBCM | Yes/No | No |
| Ignition Run/Crank | TBCM | Active/Inactive | Inactive |
| Low Speed Brake Hold | TBCM | Active/Inactive | Inactive |
| Master Cylinder Pressure Sensor Input | TBCM | kPa/psi | Varies |
| Manual Apply Switch | TBCM | % | Varies |
| Manual Apply Switch Position Error | TBCM | % | Varies |
| Redundant Manual Apply SW. | TBCM | % | Varies |
| Trailer Brake Control | TBCM | Disabled/Enabled | Enabled |
| TBCM Relay Feedback Signal | TBCM | Volts | 12 Volts |
| Trailer Stop Lamp Signal | TBCM | Not Requested/Requested | Not Requested |
| Trailer Brake Relay Cmd. | TBCM | Volts | 12 Volts |
| TBCM Duty Cycle | TBCM | % | Varies |
| Trailer Brake Relay Cmd. | TBCM | Volts | 12 Volts |
| Trailer Brake Relay Status | TBCM | Disabled/Enabled | Enabled |
| Trailer Connection Detected | TBCM | Yes/No | No |
| Trailer Disconnect Detected | TBCM | Yes/No | No |
| User Gain Switch | TBCM | % | Varies |
| Vehicle Speed | TBCM | km/h or mph | km/h or mph |