Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2024WAGONEER L SERIES II, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESELECTRONIC CONTROL MODULES (SERVICE INFORMATION) (1 OF 2)MODULE, DISPLAY SCREEN (DSM)DESCRIPTION AND OPERATIONDISPLAY SCREEN MODULESYSTEM SIGNALS
2024 Jeep Wagoneer L Series II, RWD
System Signals
2024 Jeep Wagoneer L Series II, RWDSECTION System Signals
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. |
| Passenger screen ON / OFF request. | ||
| Passenger screen LED control status. | ||
| CAN-FD-8 | BCM | Battery voltage, critical state, load shedding. |
| Passenger screen ON / OFF request. | ||
| RADIO | Power, display intensity, status | |
| Touch screen X and Y axis values | ||
| Rear seat entertainment touch screen | ||
| TBM2 | Service call type and status | |
| Passenger screen LED control status. | ||
| CAN-IHS | BCM | Power and operational mode status. |
| Ignition position. | ||
| Ignition run active for remote start. | ||
| Daylight brightness | ||
| DDM and PDM indicator status. | ||
| System voltage and load shedding status. | ||
| VIN information | ||
| Configuration data and DTC status from various ECUs. | ||
| DSM | Power, Enter, Screen Off / On. | |
| Tune knob direction. | ||
| Volume knob direction and value. | ||
| FPDM | Screen status. | |
| ICS | Radio knob(s) direction and value. | |
| Radio button(s) status. | ||
| RADIO | Power, display intensity, display status | |
| SGW | Mute button pressed or not pressed. | |
| CCDMF screen open / close status | ||
| LVDS | RADIO | Display |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.