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 |
