System Signals
WARNING: This page is about a different car, the 2021 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following system signals are dependent upon the associated CAN ECUs equipped in the vehicle and configuration.
| Input/Output Communications To System CAN ECUs: CAN-IHS, CAN-FD-3, 8; LVDS | ||
|---|---|---|
| CAN-FD-1 | BCM | Configuration data and DTC status from various ECUs. |
| CAN-FD-3 | BCM | Battery voltage, critical state, load shedding. |
| Ignition position. | ||
| Configuration data and DTC status from various ECUs. | ||
| CAN-FD-8 | BCM | Battery voltage, critical state, load shedding. |
| Configuration data and DTC status from various ECUs. | ||
| RADIO | Power, display intensity, status | |
| Touch screen X and Y axis values | ||
| Rear seat entertainment touch screen | ||
| TBM2 | Service call type and status | |
| CAN-IHS | BCM | Power and operational mode status. |
| Ignition position. | ||
| Ignition run active for remote start. | ||
| Daylight brightness | ||
| System voltage and load shedding status | ||
| VIN information | ||
| Configuration data and DTC status from various ECUs. | ||
| ICS | Radio knob(s) direction and value. | |
| Radio button(s) status. | ||
| RADIO | Power, display intensity, status | |
| LVDS | RADIO | Display |