| 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, RSC and the automatic release feature of the electronic parking brake system. |
| Adaptive cruise control braking deceleration |
IPMA |
This message is sent to the GWM and then to the ABS module. 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 |
IPMA |
This message is sent to the GWM and then to the ABS module. 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 |
IPMA |
This message is sent to the GWM and then to the ABS module. This message is used to request precharging of the hydraulic brake system in preparation of a adaptive cruise control braking event. |
| Ambient air temperature |
PCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current ambient air temperature. The ABS module uses this information for system diagnostics and DTC setting conditions. |
| AWD locking status * |
AWD control module |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current differential locked status; no fault, unspecified fault, differential failed open and differential failed closed. The ABS module requests differential unlocking during traction control, ESC and RSC operations. |
| AWD locking torque |
AWD control module |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current amount of torque being applied to the differential. The ABS module requests differential unlocking during traction control, ESC and RSC operations. |
| Braking torque request |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the amount of braking torque required for regenerative braking. |
| 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. |
| Braking request |
IPMB |
This message is sent to the GWM and then to the ABS module. This message is an adaptive cruise control braking request from the IPMB. |
| Cruise control status |
PCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current cruise control system status; off, denied, standby denied, standby active que assist, active or undefined. |
| Clutch pedal data |
PCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current clutch pedal data; pressed or not pressed, applied rate and percent of application. |
| Collision mitigation by braking deceleration |
IPMA |
This message is sent to the GWM and then to the ABS module. This message is used to request vehicle deceleration by the ABS module for the collision avoidance system. |
| Collision mitigation by braking precharge request |
IPMA |
This message is sent to the GWM and then to the ABS module. This message is sent to the GWM and then to the ABS module. This message is used to request precharging of the hydraulic brake system in preparation of a severe braking event. |
| Door ajar status |
BCM |
This message informs the ABS module of the current door ajar status. There is a separate message for each door and liftgate. The ABS module resets the parameters used for the ESC and RSC features when a door is opened. The message is also used for the EPB automatic release feature. |
| Driven wheel direction |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current direction of the driven wheels. This information is used for traction control and stability control purposes. |
| Driven wheel torque |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current torque output at the driven wheels. This information is used for traction control and stability control purposes. |
| Driven wheel regeneration torque |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current driven wheel braking torque output at the driven wheels. This information is used by the ABS module to support the regenerative braking system on the HEV. |
| Engine disable status |
PCM |
This message informs the ABS module the engine is currently disabled or enabled due to the stop-start system. |
| Engine RPM |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current engine RPM. This information is used for traction control and stability control purposes. |
| Gear lever position |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current transmission gear lever position, this is used for the hill start assist system, the ESC and the RSC systems. The hill start assist system operates in forward and reverse gears. The ESC and RSC systems do 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. Provides the ABS module with the current, driver selected mode for the hill start assist system; off, auto or manual. |
| Ignition key type |
BCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current ignition key type; standard or MyKey. The ABS modifies operating parameters if a restricted MyKey is used. |
| Ignition status |
BCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current ignition status; off, accessory, run, start, unknown or invalid. |
| Odometer master 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 value in kilometers. |
| Parking brake apply request |
GSM |
This message is a request for parking brake application from the GSM for the auto hold feature. |
| Parking brake apply request |
PAM |
This message is a request for parking brake application from the PAM for the active park assist feature. |
| Powertrain status |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current engine status; engine off, engine on or engine auto stopped. |
| 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 scan tool, the ABS module resets the offset number learned for ESC and RSC. |
| Restraint system impact event status |
RCM |
Provides the ABS module with the current SRS impact event status; normal, threshold 1 exceeded, threshold 2 exceeded or invalid. |
| Selectable drive mode request |
ATCM (vehicles with AWD) |
Provides the ABS module with the driver selected drive mode request. |
| Selectable drive mode request |
HVAC (vehicles with 2WD) |
Provides the ABS module with the driver selected drive mode request. |
| 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 stability control feature operation. |
| Steering column torque |
PSCM |
Provides the ABS module with the current amount of torque being applied to the steering wheel by the driver. The ABS module uses this information for stability control feature operation. |
| Trailer sway configuration |
IPC |
This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current vehicle trailer sway configuration. |
| Transmission in neutral |
GSM |
Informs the ABS module when the transmission has been placed in neutral mode. The ABS module modifies the operating parameters for stability control when the transmission is in neutral mode. |
| Transmission shift active |
PCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module when the transmission is shifting gears. This information is used for stability control purposes. |
| Transmission in reverse |
PCM |
This message is sent to the GWM and then to the ABS module. Informs the ABS module when the transmission is in REVERSE. The ESC and RSC systems do 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. 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 lateral acceleration data |
RCM |
Provides the ABS module with the current vehicle lateral acceleration information and whether or not the information is valid. |
| Vehicle longitudinal acceleration data |
RCM |
Provides the ABS module with the current vehicle longitudinal acceleration information and whether or not the information is valid. |
| Vehicle roll rate data |
RCM |
Provides the ABS module with the current vehicle roll rate information and whether or not the information is valid. |
| Vehicle speed data |
PCM |
This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current vehicle speed. |
| Vehicle yaw data |
RCM |
Provides the ABS module with the current vehicle yaw information and whether or not the information is valid. |