K160 Brake System Control Module: Scan Tool Information
The Electronic Brake Control Module (EBCM) scan tool data parameters list contains all ABS related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists.
Brake System Control Module Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| ABS Active SIgnal | OK/Malfunction | Determine the state of the ABS system | |
| ABS Pump Motor Voltage | 0 V | The scan tool displays the commanded pump motor voltage. | |
| Actual Brake System Plunger Motor Torque | Varies | The scan tool displays the motor torque feedback. | |
| Actual Brake System Plunger Position | Varies | The scan tool displays Plunger Position Feedback | |
| Actual Brake System Plunger Speed | Varies | The scan tool displays Plunger Speed Feedback | |
| All Wheel Drive | Active/Inactive | The scan tool displays when in four wheel drive (if equipped). | |
| Antilock Braking System | OK/Malfunction | The scan tool displays OK or Malfunction. Malfunction is displayed if there is an ABS malfunction. | |
| Automatic Brake Control Gain Request from Brake System Control Module | Varies | The scan tool displays a percentage of Autonomous Control Gain Request from BSCM | |
| Automatic Braking Event | Detected/Not Detected | The scan tool displays Automatic Trailer Braking Event | |
| Automatic Brake Request from Brake System Control Module | Yes/No | The scan tool displays Trailer Brake Autonomous Control Status | |
| Automatic Braking Active Signal | Okay/Malfunction | ABS Active Malfunction indicates invalid protected ABS active data received from Automatic Brake System Control Module | |
| Automatic Braking Torque Signal | Okay/Malfunction | The scan tool displays Automatic Brake Torque Signal Failure | |
| Autonomous Braking Request Signal | Okay/Malfunction | Autonomous Signal malfunction indicates invalid autonomous braking data received from Automatic Brake System Control Module | |
| Brake Fluid Level Sensor | Okay/Low | The scan tool displays OK when the brake fluid is at correct level and Low when the brake fluid is low. | |
| Brake Fluid Level Switch | Varies | The scan tool displays Brake Fluid Level Switch Voltage | |
| Brake Fluid Reservoir Seperating Solenoid Valve | Active/Inactive | The scan tool displays Eboost System Internal Valves Feedback Status Reservoir Seperation Valve Commanded | |
| Brake Master Cylinder Separating Solenoid Valve 1 | Active/Inactive | The scan tool displays Eboost System Internal Valves Feedback Status Circuit Seperating Valve 1 Commanded. | |
| Brake Master Cylinder Separating Solenoid Valve 2 | Active/Inactive | The scan tool displays Eboost System Internal Valves Feedback Status Circuit Seperating Valve 2 Commanded | |
| Brake Pad Wear Malfunction Signal | None Propulstion Active, Vehicle Speed, Malfunction, Reset |
The scan tool displays the Brake Pad Life Monitoring Axle Reset Reject Reason | |
| Brake Pad Wear Signal | Low/High | The scan tool displays Brake Pad Wear Input Status | |
| Brake Pedal Position Sensor | Brake pedal released | Inactive | The scan tool displays Inactive or Active depending on the state of the brake pedal. |
| Brake pedal applied | Active | ||
| Brake Pedal Simulator Separating Solenoid Valve | Active/Inactive | System Internal Valves Feedback Status Simulator Separating Valve Commanded | |
| Brake Pressure Signal | Okay/Malfunction | The scan tool displays Brake Pressure Signal Failure | |
| Brake System | Active/Inactive | The scan tool displays the boost status. | |
| Brake System Plunger Motor Resistance | Varies | The scan tool displays the calculated Motor Resistance | |
| Brake System Plunger Motor Temperature 1 | Varies | The scan tool displays the Module Motor Driver Temperature CH1 | |
| Brake System Plunger Motor Temperature 2 | Varies | The scan tool displays the Module Motor Driver Temperature CH2 | |
| Brake System Plunger Separating Solenoid Valve 1 | Active/Inactive | The scan tool displays System Internal Valves Feedback Status Plunger Separating Valve 1 Commanded. | |
| Brake System Plunger Separating Solenoid Valve 2 | Active/Inactive | System Internal Valves Feedback Status Plunger Separating Valve 2 Commanded | |
| Brake Pressure | Varies | The scan tool displays brake apply pressure. | |
| Brake Pressure Created by Applying Brake Pedal | Varies | The scan tool displays Brake Pedal Driver Applied Pressure | |
| Brake Pressure Sensor | Brake pedal released | 0 - 1 V | The scan tool displays 0 - 5 V depending on the applied hydraulic brake pressure. |
| Brake pedal applied | 1 - 5 V | ||
| Brake Pressure Sensor | Brake pedal released | 2000 - 3000 kPa | The scan tool displays the actual pressure applied to the brake pedal. |
| Brake Pressure Test | Incomplete, Active, Complete, Failed |
The scan tool displays the Wheel Pressure Control Feedback Test Status | |
| Brake System Plunger Motor Current Limitation | Active/Inactive | Eboost Motor Current Limitation | |
| Brake System Plunger Motor Status | Active/Inactive | The scan tool displays if the Eboost Motor Status has limitations. | |
| Brake System Plunger Motor Temperature Limitation | Active/Inactive | Eboost Motor Temperature Limitation | |
| Brake System Plunger Motor Torque Limitation | Active/Inactive | Eboost Motor Torque Limitation | |
| Brake System Plunger Travel | Varies | The scan tool displays the plunger travel. | |
| Calculated Input rod Position | Varies | The scan tool displays the EBoost Input Rod Stroke - Calculated | |
| Delivered Torque | Varies | The scan tool displays 0 - 100% depending on the how much torque the engine is delivering. | |
| Desired Trailer Brake Control Duty Cycle | OK/Malfunction | The banded trailer brake duty cycle sent to the Trailer Brake Module. It represents the requested duty cycle as transformed to allow diagnostics on the transmission line | |
| Desired Brake System Plunger Position | Varies | The scan tool displays the command Plunger Position | |
| Desired Brake System Plunger Speed | Varies | The scan tool displays the commanded Plunger Speed. | |
| Desired Brake System Plunger Motor Torque | Varies | The scan tool displays the commanded Motor Torque. | |
| Deviation Between Manual Trailer Brake Apply Request Signal 1 and 2 | Varies | The scan tool displays Trailer Brake Manual Apply Switch Position Error | |
| Diagnostic Mode | Active/Inactive | Diagnostic Mode Status | |
| Driver Initiated Brake Event | Not Detected/Detected | The scan tool displays Brake Event Detected | |
| Dynamic Rear Proportioning Status | Okay/Malfunction | The scan tool displays Dynamic Rear Proportioning System Failure Status | |
| Engine Drag Control Status | Okay/Malfunction | The scan tool displays Engine Drag Control Status | |
| Front Brake Pad Wear Sensors | Varies | The scan tool displays Front Axle Brake Pad Wear Sensor Voltage | |
| Induced Voltage by Trailer Brake Coil | Varies | The scan tool displays Inductance Measurement Voltage | |
| Input Rod Position 1 | Varies | The scan tool display the position of the Input Rod Stroke 1 | |
| Input Rod Position 2 | Varies | The scan tool display the position of the Input Rod Stroke 2 | |
| Input Rod Position Sensors 1 and 2 Supply Voltage | Varies | The scan tool display the Brake Pedal Postion Sensor Reference Voltage | |
| Lateral Acceleration | Varies | The scan tool displays 0 - 5 V depending on the vehicle's lateral acceleration. | |
| Left Front Inlet Solenoid Valve Feedback | Inactive/Active | Active is displayed when the left front inlet solenoid valve is commanded ON. | |
| Left Front Outlet Solenoid Valve Feedback | Inactive/Active | Active is displayed when the left front outlet solenoid valve is commanded ON. | |
| Left Front Wheel Speed |
0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the left front wheel speed sensor. | |
| Left Front Brake Pressure | Varies | The scan tool displays the left front wheel pressure | |
| Left Park Brake Actuator Force | Varies | The scan tool displays the Left Park Brake Actuator force | |
| Left Park Brake Actuator Status | Released, Applied, Malfunction, Service Release, Releasing, Applying, Unknown | The scan tool displays the Left Park Brake Actuator Status | |
| Left Park Brake Actuator Voltage | Varies | The scan tool displays the Left Park Brake Actuator voltage | |
| Left Rear Brake Pressure | Varies | The scan tool displays the left rear wheel pressure | |
| Left Rear Inlet Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the left rear inlet solenoid valve is commanded ON. | |
| Left Rear Outlet Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the left rear outlet solenoid valve is commanded ON. | |
| Left Rear Wheel Speed |
0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the left rear wheel speed sensor. | |
| Limited Brake Function - Only Limited Brake Pressure Available | Active/Inactive | The scan tool displays Partial Boost status | |
| Limited Brake Function - Low Voltage Condition | Active/Inactive | The scan tool displays Low Voltage Boost Status | |
| Limited Brake Function - Only One Brake Circuit Available | Active/Inactive | The scan tool displays half system boost status. | |
| Longitudinal Acceleration | Varies | The scan tool displays the vehicle's longitudinal acceleration. | |
| Manual Trailer Brake | Released/Applied | Trailer Braking Signals Status Manual Trailer Brake Applied | |
| Manual Trailer Brake Apply Request Signal 1 | Varies | Trailer Brake Primary Manual Apply Switch Position | |
| Manual Trailer Brake Apply Request Signal 2 | Varies | Trailer Brake Redundant Manual Apply Switch Position | |
| Module Temperature | Varies | The scan tool displays the Bake System Control Module Temperature. | |
| Normal Braking Mode | Active/Inactive | The scan tool displays if the vehicle is in normal braking mode. | |
| Park Brake Actuator | Active/Inactive | The scan tool displays the Electric Park Brake Motor Status | |
| Park Brake Actuator Direction | Released/Applied | The scan tool displays the Electric Park Brake Motor Status | |
| Panic Brake Assist Status | OK | The scan tool displays OK or Malfunction. Malfunction is displayed if the EBCM disables the panic brake assist due to a fault. | |
| Park Brake Mode | Active/Inactive | The scan tool displays if in Shut Down Boost status | |
| Park Brake Switch | Active/Inactive | The scan tool displays the status of the Electric Park Brake Switch | |
| Pump Motor Relay Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the pump motor is commanded ON. | |
| Primary Isolation Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the isolation solenoid valve is commanded ON. | |
| Primary Prime Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the prime solenoid valve is commanded ON. | |
| Rear Brake Pad Wear Sensors | Varies | The scan tool displays the remaining percentage of brake pad. | |
| Redundant Trailer Brake Manual Apply Slider | Varies | The scan tool displays Manual Apply Switch Voltage. | |
| Regenerative Braking Axle Torque Request | Varies | The scan tool displays Regenerative Braking Axle Torque Request | |
| Regenerative Braking, Stability or Traction Control Disable History 1 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 1 | |
| Regenerative Braking, Stability or Traction Control Disable History 2 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 2 | |
| Regenerative Braking, Stability or Traction Control Disable History 3 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 3 | |
| Regenerative Braking, Stability or Traction Control Disable History 4 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 4 | |
| Regenerative Braking, Stability or Traction Control Disable History 5 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 5 | |
| Regenerative Braking, Stability or Traction Control Disable History 6 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 6 | |
| Regenerative Braking, Stability or Traction Control Disable History 7 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 7 | |
| Regenerative Braking, Stability or Traction Control Disable History 8 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 8 | |
| Regenerative Braking, Stability or Traction Control Disable History 9 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 9 | |
| Regenerative Braking, Stability or Traction Control Disable History 10 | Varies | The scan tool displays Regenerative Braking, Stability or Traction Control Disabling ECU History 10 | |
| Requested Torque |
Varies | The scan tool displays 0 - 100% depending on the how much torque is requested. | |
| Right Front Brake Pressure | Varies | The scan tool displays the right front wheel pressure. | |
| Right Front Inlet Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right front inlet solenoid valve is commanded ON. | |
| Right Front Outlet Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right front outlet solenoid valve is commanded ON. | |
| Right Front Wheel Speed | 0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the right front wheel speed sensor. | |
| Right Park Brake Actuator Force | Varies | Scan tool displays the Right Park Brake Actuator force | |
| Right Park Brake Actuator Status | Released, Applied, Malfunction, Service Release, Releasing, Applying, Unknown | Scan tool displays the Right Park Brake Actuator Status | |
| Right Park Brake Actuator Voltage | Varies | Scan tool displays the Right Park Brake Actuator voltage | |
| Right Rear Brake Pressure | Varies | The scan tool displays the right rear wheel pressure. | |
| Right Rear Inlet Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right rear inlet solenoid valve is commanded ON. | |
| Right Rear Outlet Solenoid Valve Feedback | Inactive | The scan tool displays Inactive or Active. Active is displayed when the right rear outlet solenoid valve is commanded ON. | |
| Right Rear Wheel Speed | 0 km/h (0 MPH) | The scan tool displays km/h (MPH) depending on the current speed of the right rear wheel speed sensor. | |
| Roller Test Stand Mode | Active/Inactive | The scan tool displays dyno mode status | |
| Secondary Isolation Solenoid Valve Feedback | Active/Inactive | The scan tool displays Inactive or Active. Active is displayed when the isolation solenoid valve is commanded ON. | |
| Secondary Prime Solenoid Valve Feedback | Active/Inactive | The scan tool displays Inactive or Active. Active is displayed when the prime solenoid valve is commanded ON. | |
| Shutdown Mode | Active/Inactive | The scan tool displays if in shutdown mode | |
| Stop Lamp Signal | Not Requested/Requested | The scan tool displays Brake Lights Requested | |
| Steering Wheel Angle | Steering wheel in straight position | -5 to +5° | The scan tool displays °. This is the current position of the steering angle sensor. |
| Steering wheel turned left until stop | 450 - 550° | ||
| Steering wheel turned right until stop | -550 to -450° | ||
| System Voltage |
- | 11 - 14 V | The scan tool displays V. This is the current battery voltage. |
| Traction Control Switch | Traction control switch released | Inactive | The scan tool displays Inactive or Active depending on the traction control switch status. |
| Traction control switch pressed | Active | ||
| Traction Control System | OK | The scan tool displays OK or Malfunction. Malfunction is displayed if there is a traction control malfunction. | |
| Trailer Brake Automatic Control State | Normal, Active, Temporarily Limited, Permanently Failed, Communication Failed, Off, No Signal |
Trailer Brake Autonomous Control Status Autonomous Control Feedback State | |
| Trailer Brake Control | Disabled, Inactive, Normal Brake Mode, High Brake Mode, Manual Apply Brake Mode, Brake in Autonomous Mode, Undefined |
The Scan tool displays Trailer Braking Arbitration State | |
| Trailer Brake Control Output Circuit | Indeterminate, Voltage too High, Voltage too Low, Okay |
The Scan tool displays Trailer Brake Control Output State | |
| Trailer Brake Manual Apply Slider | Varies | Manual Apply Switch Voltage | |
| Trailer Brake Power Control Module | De-Energized/Energized | Trailer Brake Control Status Energized | |
| Trailer Brake Power Control Module Battery Voltage | Varies | The scan tool displays Trailer Brake Power Control Module Battery Voltage. | |
| Trailer Brake Sensitivity | Varies | The scan tool displays Trailer Brake User Gain | |
| Trailer Brake Sensitivity Switch Up Button | Active/Inactive | The scan tool displays Trailer Brake Control Switch User Gain Button States | |
| Trailer Brake Type | Unknown, Electrical, Electrohydraulic |
The scan tool displays Trailer Connection Status | |
| Vehicle Stability System |
OK | The scan tool displays OK or Malfunction. Malfunction is displayed if there is a stability control malfunction. | |
| Vehicle Stability Enhancement System Signal | |||
| Vehicle Stability Enhancement System Switch | Traction control switch released | Inactive | The scan tool displays Inactive or Active depending on the traction control switch status. |
| Traction control switch pressed | Active | ||
| Wheel Speed Signal | Okay/Malfunction | The scan tool displays Wheel Speed Signal Failure | |
| Yaw Rate Signal | Varies | The scan tool displays 0 - 5 V depending on the vehicle's yaw rate. | |
Brake System Control Module Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Automated Brake Bleed | This is used in order to bleed ABS hydraulics. |
| Brake Hydraulics Test | This is used to check for leaks or air in the system. |
| Brake System Hydraulic Corner Test | Commands brake hydraulic pressure to each corner. |
| Deactivate Brake Boost System | This is used to deactivate brake boost system before performing certain functions. |
| Left Park Brake Actuator | Commands the left park brake actuator ON or OFF. |
| Right Park Brake Actuator | Commands the right park brake actuator ON or OFF. |
| Rear Brake Caliper Piston Extend | Commands the caliper piston back into position after servicing the rear brakes, |
| Rear Brake Caliper Piston Retract | Retracts the caliper piston to service the rear brakes. |
| Trailer Brake Control Signal | Commands the trailer brakes on and off |
| Trailer Brake Duty Cycle | Controls the battery output voltage to the trailer brakes. |
| Trailer Brake Switch Indicator | Conmands the Trailer Brake Switch Indicator on or off |