Network Message Chart
Module Network Input Messages - ABS Module
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Accelerator pedal position | PCM | 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. |
| AWD locking status | AWD control 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 | 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. |
| AWD range | AWD control module | Informs the ABS module of the current AWD range. The ABS module modifies the selectable drive mode operating parameters based on the current AWD range. |
| AWD service required | AWD control module | Informs the ABS module of the current AWD system operating status. The ABS module modifies the selectable drive mode operating parameters based on the current AWD status. |
| Ambient air temperature | PCM | Informs the ABS module of the current ambient air temperature. The ABS module uses this information for system diagnostics and DTC setting conditions. |
| Brake pedal applied | PCM | Informs the ABS module the driver has pressed the brake pedal. This message is also used by the ABS module for self-diagnostic purposes. |
| Braking request | IPMA | This message is sent to the GWM and then to the ABS module. This message is an adaptive cruise control braking request from the IPMA. |
| Clutch pedal position | PCM | The ABS module uses clutch pedal position information for correct operation of the ABS, traction control, and the stability control features.. |
| 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. |
| Cruise control status | PCM | Informs the ABS module of the current cruise control system status; off, denied, standby denied, standby active que assist, active or undefined. |
| Differential locking status | AWD control module | Informs the ABS module of the current front and rear differential locking status. The ABS module modifies the selectable drive mode operating parameters based on the current differential locking status. |
| Door ajar status | DDM | Informs the ABS module of the current door ajar status. The ABS module resets the parameters used for the stability control features when a door is opened. The message is also used for the Trail Control, Trail One-Pedal Drive and EPB automatic release feature. |
| Driven wheel direction | PCM | 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 | Provides the ABS module with the current torque output at the driven wheels. This information is used for traction control and stability control purposes. |
| Driver seatbelt buckle status | RCM | Informs the ABS module of the current driver seatbelt buckle status. The message is used for the Trail Control, Trail One-Pedal Drive and EPB automatic release feature. |
| Engine disable status | PCM | Informs the ABS module the engine is currently disabled or enabled due to the stop-start system. |
| Engine RPM | PCM | Provides the ABS module with the current engine RPM. This information is used for traction control and stability control purposes. |
| Gear lever position | PCM | 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 descent control request | IPC (2WD vehicles) | 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 descent control system; off or on. |
| Hill descent control request | AWD control module (4WD vehicles) | Provides the ABS module with the current, driver selected mode for the hill descent control system; off or on. |
| 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. Informs the ABS module of the current odometer value in kilometers. |
| Parking brake apply request | BCM | This message is sent to the GWM and then to the ABS module. This message is a request for parking brake application from the BCM for the EPB auto hold feature. |
| Parking brake apply request | PAM | This message is sent to the GWM and then to the ABS module. This message is a request for parking brake application from the PAM for the active park assist feature. |
| PATS start request target command | PCM | Provides the ABS module with the challenge and password for anti-theft vehicle starting. During vehicle starting, the PCM and the ABS module exchange information to make sure the vehicle is being started correctly. |
| PATS start request target status | PCM | Informs the ABS module of the current anti-theft start request status; disabled, enabled motive start, enabled non-motive start, disabled reset. |
| Powertrain status | PCM | Provides the ABS module with the current engine status; engine off, engine on or engine auto stopped. |
| RCM serial number | RCM | This message is sent to the GWM and then to the ABS module. 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 when the ABS Calibration procedure is carried out using a diagnostic scan tool, the ABS module resets the offset number learned for ESC and RSC. |
| Restraint system impact event status | RCM | This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current SRS impact event status; normal, threshold 1 exceeded, threshold 2 exceeded or invalid. |
| Selectable drive mode request | APIM (2WD vehicles) | Provides the ABS module with the driver selected drive mode request. |
| Selectable drive mode request | AWD control module (4WD vehicles) | Provides the ABS module with the driver selected drive mode request. |
| Selectable drive mode suspension status | CHCM | Provides the ABS module with the current selectable drive mode status of the suspension system. |
| Stabilizer bar disconnect status | CHCM | Informs the ABS module of the current stabilizer bar disconnect system status. |
| 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. |
| Traction control status | AWD control module (4WD vehicles) | Informs the ABS module of the current traction control system status; active or inactive. |
| Traction control status | IPC (2WD vehicles) | This message is sent to the GWM and then to the ABS module. Informs the ABS module of the current traction control system status; active or inactive. |
| Traction control switch | DLSM (Driveline Switch Module) (4WD vehicles) | Informs the ABS module of the current traction control switch status; pressed or not pressed. |
| Trail control system status | AWD control module | Informs the ABS module of the current vehicle trail control system status. |
| Trailer backup assist status | PSCM | Informs the ABS module of the current vehicle trailer sway configuration; active, inactive or setup. |
| Trailer brake status | TRM | Informs the ABS module a trailer is connected or disconnected to the vehicle. |
| 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. |
| Trail turn assist request | Driveline Chassis Switch Module | Informs the ABS module of the current vehicle trail control system status. |
| Transmission in neutral | PCM | 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 | Informs the ABS module when the transmission is shifting gears. This information is used for stability control purposes. |
| Transmission in reverse | PCM | 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 | This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current vehicle lateral acceleration information and whether or not the information is valid. |
| Vehicle longitudinal acceleration data | RCM | This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current vehicle longitudinal acceleration information and whether or not the information is valid. |
| Vehicle roll rate data | RCM | This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current vehicle roll rate information and whether or not the information is valid. |
| Vehicle speed data | PCM | Provides the ABS module with the current vehicle speed. |
| Vehicle yaw data | RCM | This message is sent to the GWM and then to the ABS module. Provides the ABS module with the current vehicle yaw information and whether or not the information is valid. |