| Accelerator pedal position |
PCM |
This message is sent to the GWM and then to the ABS module. The ABS module uses accelerator pedal position information for correct operation of the ABS, traction control, ESC and the automatic release feature of the electronic parking brake system. |
| Adaptive cruise control braking deceleration |
CCM |
This message is used to request vehicle deceleration by the ABS module to maintain the distance gap set by the driver for the adaptive cruise control system. |
| Adaptive cruise control brake torque request |
CCM |
This message informs the ABS module of the amount of braking required to maintain the distance gap set by the driver for the adaptive cruise control system. |
| Adaptive cruise control precharge request |
CCM |
This message is used to request precharging of the hydraulic brake system in preparation of a severe braking event. |
| Ambient air temperature |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current ambient air temperature. The ABS module uses this information for calculations in determining the operational status of the various stability control systems and features. |
| Auto hold switch |
FCIM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current auto hold switch status; pressed, not pressed, faulty or not used. |
| AWD locking status |
AWD module |
This message is sent to the GWM and then to the ABS module. The ABS module uses AWD information for correct operation of the ABS and stability control systems. |
| AWD torque status |
AWD module |
This message is sent to the GWM and then to the ABS module. The ABS module uses AWD torque information to aid in stability control system operation. |
| Battery voltage |
BCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current battery voltage. The ABS module uses this information to monitor fault setting conditions. |
| Brake on/off switch |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module the driver has pressed the brake pedal. This message is also used by the ABS module to check the brake pressure sensor located inside the HCU. |
| Brake pedal applied |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module the driver has pressed the brake pedal. This message is also used by the ABS module to check the brake pressure sensor located inside the HCU. |
| Collision mitigation by braking precharge request |
CCM |
This message is used to request precharging of the hydraulic brake system in preparation of a severe braking event. |
| Cruise control override |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module the PCM has overridden the cruise control request. When the ABS module receives this message, any other cruise control messages are ignored until the "not overridden" message is received. |
| Cruise control status |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module the current cruise control system status; off, denied, standby_denied, standby, active_que_assist or active. |
| Door ajar status |
BCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current door ajar status. There is a separate message for each door, the hood and the trunk. The ABS module resets the parameters used for the ESC function when a door is opened. The driver door message is also used for the auto hold feature and the electronic parking brake automatic release feature. |
| Driven wheel torque |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current torque available at the driven wheels. |
| Driver safety belt buckle |
RCM |
This message informs the ABS module of the current driver safety belt buckle status; buckled or unbuckled. The ABS module uses this information for the auto hold feature. |
| EPAS information |
PSCM |
Several steering angle messages are sent to the ABS module from the PSCM. These messages include steering angle sensor status, steering wheel angle and steering wheel rotation count. The ABS module uses the steering angle sensor data for ESC system operation. |
| EPAS steering request |
PSCM |
This message informs the ABS module an active park event is taking place and the EPAS system is busy steering the vehicle. |
| Engine RPM |
PCM |
This message is sent to the GWM and then to the ABS module. This message provides the ABS module with the current engine RPM. The ABS module uses this information for the auto hold feature, hill start assist feature, traction control and ESC. |
| Engine status |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current status of the engine system; off, on or engine auto stopped. |
| Gear lever position |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current transmission gear lever position, this is used for the hill start assist system and the ESC system. The hill start assist system operates in forward and reverse gears. The ESC system does not operate when the transmission is in REVERSE. The message is also used for the electronic parking brake automatic release feature. |
| Hill start assist request |
IPC |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current, driver selected mode for the hill start assist system; off, auto or manual. |
| Ignition status |
BCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current ignition status; off, accessory, run, start, unknown or invalid. |
| Ignition key type |
BCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current ignition key type; a standard ignition key or a MyKey® ignition key. |
| Lateral acceleration data |
RCM |
This message provides the ABS module with the current vehicle lateral acceleration information and whether or not the information is valid. |
| Longitudinal acceleration data |
RCM |
This message provides the ABS module with the current vehicle longitudinal acceleration information and whether or not the information is valid. |
| Powertrain torque status |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current ability of the powertrain to provide torque for stability control system operation; power pack off_torque not available, power pack on_torque not available, start in progress_torque not available and power pack on_torque available. |
| Odometer value |
IPC |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current odometer mileage. |
| PATS start request target data |
PCM |
This message is sent to the GWM and then to the ABS module. This message supplies the ABS module with the PCM challenge ID. If the ABS module ID response is correct, the engine is allowed to start. |
| Reverse gear selected |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module the driver has requested REVERSE gear and the current status of REVERSE gear; active, inactive or faulted. This message is used for operation of the hill start assist feature and the ESC feature. The hill start assist feature operates in forward and reverse gears but the ESC feature does not operate when the transmission is in REVERSE. |
| RCM serial number |
RCM |
The ABS module stores the RCM serial number and verifies the serial number when the vehicle is started or the ignition is set to RUN or ACC. Over time, the ABS module learns the offset of the sensors inside the RCM. When a new serial number is found and the IVD Initialization procedure is carried out using a diagnostic scan tool, the ABS module resets the offset number learned for ESC. |
| Steering angle sensor data |
PSCM |
Several steering angle messages are sent to the ABS module from the PSCM. These messages include steering angle sensor status, steering wheel angle and steering wheel rotation count. The ABS module uses the steering angle sensor data for ESC system operation. |
| Traction control mode request |
IPC |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module of the current driver selected traction control mode made through the message center. |
| Transmission in reverse |
PCM |
This message is sent to the GWM and then to the ABS module. This message informs the ABS module when the transmission is in REVERSE, this is used for the hill start assist system and the ESC system. The hill start assist system operates in forward and reverse gears. The ESC system does not operate when the transmission is in REVERSE. |
| Vehicle configuration data |
BCM |
This message is sent to the GWM and then to the ABS module. This message provides the ABS module with the current optional and configured items such as tire size, axle ratio, manual or automatic transaxle, keyless entry and VIN. |
| Vehicle dynamic data display |
VDM |
Used to inform the ABS module of the current vehicle suspension mode; comfort, normal, sport, faulty, service required, temporarily off, or mode change unavailable. This message is used by the ABS module for traction control and ESC performance. |
| Yaw rate data |
RCM |
This message provides the ABS module with the current vehicle yaw rate information and whether or not the information is valid. |