Electronic Brake Control Module Scan Tool Information (Hybrid)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Electronic Brake Control Module Scan Tool Data Parameters
| Parameter | Expected Value | Definition |
|---|---|---|
| Operating Conditions: Ignition ON | ||
| ABS Active | No | The scan tool displays Yes or No. Yes is displayed if the ABS system is engaged. |
| ABS Failed | No | The scan tool displays Yes or No. Yes is displayed if there is an ABS fault. |
| ABS Slip Control Power Status | Active | The scan tool displays Active or Inactive. |
| Acceleration Sensor Supply Voltage | Varies | This displays volts. This is the voltage status of the supply circuit to the acceleration sensor. |
| Accum. Pressure Sensor | Varies | This displays the pressure of the accumulator. |
| Battery Voltage Signal | Varies | This displays volts. This is the voltage status of the electronic brake control module (EBCM). |
| BMC Primary Piston Position Sensor A | Varies | This displays volts. This is the brake master cylinder primary piston sensor A reference value. |
| BMC Primary Piston Position Sensor B | Varies | This displays volts. This is the brake master cylinder primary piston sensor B reference valve. |
| BMC Primary Piston Reference Position | Varies | This displays mm. This is the value used to compare the position of the primary piston sensors. |
| BMC Prim. Piston Pos. Sen. 5V Reference Position | Varies | This displays volts. This is the voltage supply to the brake master cylinder primary piston sensor. |
| BMC Primary Piston Position | Learned | The scan tool displays Learned or Not Learned. This is the brake master cylinder primary piston position sensor zeroed or learned value. |
| Brake Fluid Level Status | OK | The scan tool displays OK or Low. This is the state of the brake fluid level. |
| Brake Boost Power Status | Enabled | The scan tool displays Enabled or Disabled. |
| Brake Boost Status | Inactive | The scan tool displays Active or Inactive. |
| Brake Boost Solenoid Cmd. | Inactive | The scan tool displays Active or Inactive. |
| Brake Pressure Sensor Input | Varies | This displays psi/kpa. This is the current brake applied pressure. |
| Brake Switch Status | Released | The scan tool displays Applied or Released. This is the state of the brake pedal. |
| Digital SWPS Phase A | Varies | The scan tool displays High or Low. This is the state of the digital SWPS index pulse. Every time the steering wheel turns, it toggles between high and low. |
| Digital SWPS Phase B | Varies | The scan tool displays High or Low. This is the state of the digital SWPS index pulse. Every time the steering wheel turns, it toggles between high and low. |
| DRP Active | No | The scan tool displays Yes or No. This is the state of the dynamic rear proportioning (DRP). |
| DRP Disabled | No | The scan tool displays Yes or No. This is the state of the dynamic rear proportioning (DRP). |
| Engine Drag Control Failed | No | The scan tool displays Yes or No. The state of the engine drag control depends on the state of traction of the tires and engine RPM. |
| HS Communication | Yes | The scan tool displays Yes or No. |
| Ignition Volts | Varies | This displays volts. This is the ignition voltage status of the electronic brake control module (EBCM). |
| Lateral Accelerometer Signal | m/s2 | The scan tool displays m/s2 . This is the current rate of the vehicle acceleration or deceleration as reported by the lateral accelerometer sensor. |
| Longitudinal Accelerometer Signal | Varies | The scan tool displays m/s2 . This is the current rate of the vehicle acceleration or deceleration as reported by the longitudinal accelerometer sensor. |
| Low Traction Lamp Command | Off | The scan tool displays On or Off. |
| LF Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the left front wheel speed sensor. |
| LF Inlet Solenoid Command | Off | The scan tool displays On or Off. On is displayed when the left front inlet valve solenoid is commanded on. |
| LF Outlet Solenoid Command | Off | The scan tool displays On or Off. On is displayed when the left front outlet valve solenoid is commanded on. |
| LR Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the left rear wheel speed sensor. |
| LR Inlet Solenoid Command | Off | The scan tool displays On or Off. On is displayed when the left rear inlet valve solenoid is commanded on. |
| LR Outlet Solenoid Command | Off | The scan tool displays On or Off. On is displayed when the left rear outlet valve solenoid is commanded on. |
| Master Cylinder Pressure Sensor Input | Varies | This displays psi/kpa. This is the current master cylinder applied pressure. |
| NC Brake Boost Valve Cmd. | Inactive | The scan tool displays Active or Inactive. |
| NO Brake Boost Valve Cmd. | Inactive | The scan tool displays Active or Inactive. |
| Panic Brake Assist Failed | No | The scan tool displays Yes or No. The state of the panic brake assist depends on the state of traction of the tires and engine RPM. |
| Pump Motor Command Voltage | Varies | This displays Volts. This is the voltage status of the EBCM pump motor command. |
| Proportioning Solenoid Valve | Inactive | The scan tool displays Active or Inactive. |
| Rear Brake Pressure Sensor | Varies | This displays psi/kpa. This is the current rear brake applied pressure. |
| Regenerative Braking Status | Active | The scan tool displays Active or Inactive. |
| RF Inlet Solenoid | Off | The scan tool displays On or Off. On is displayed when the right front inlet valve solenoid is commanded on. |
| RF Outlet Solenoid | Off | The scan tool displays On or Off. On is displayed when the right front outlet valve solenoid is commanded on. |
| RF Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the right front wheel speed sensor. |
| RR Inlet Solenoid Command | Off | The scan tool displays On or Off. On is displayed when the right rear inlet valve solenoid is commanded on. |
| RR Outlet Solenoid Command | Off | The scan tool displays On or Off. On is displayed when the right rear outlet valve solenoid is commanded on. |
| RR Wheel Speed Sensor | 0 km/h (0 mph) | This displays km/h (mph). This is the current speed of the right rear wheel speed sensor. |
| Steering Wheel Position | Varies | This displays°. This is the current angle of the steering position sensor. |
| Steering Wheel Sensor Signal | Varies | This displays volts. This is the signal received from the steering angle sensor. |
| SWPS Signal A | Varies | This displays volts. This is the signal received from the steering angle sensor. |
| TCS Active | No | The scan tool displays Yes or No. This is the state of the traction control system (TCS). |
| TCS Failed | No | The scan tool displays Yes or No. This is the state of the traction control system (TCS). |
| Torque Requested | Varies | The scan tool displays Lb-ft/Y |
| VSES Active | No | The scan tool displays Yes or No. The scan tool displays Yes when VSES is active, and No when VSES is inactive. |
| VSES Failed | No | The scan tool will display Yes or No depending on the state of the ABS indicator. |
| Yaw Rate Sensor | varies | This displays°/sec. The scan tool displays the signal received from the yaw rate sensor. |
Electronic Brake Control Module Scan Tool Output Controls
| Scan Tool Output Control | Description |
|---|---|
| ABS Motor | This is used in order to command the ABS pump motor On or OFF. |
| Acceleration Sensor Reset | This is used in order to reset the acceleration sensor. |
| Automated Bleed | This is used in order to bleed ABS hydraulics. |