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.
System Signals
Related ECUs and their associated signals:
(*) information from ECU not connected to this specific CAN. The BCM is the gateway used for the signals between the CANs listed below.
| Input/Output Communications To System CAN ECUs: CAN-C, CAN-FD-1, 3, and LVDS | ||
|---|---|---|
| CAN-C | BCM | Ambient temperature. |
| The high beam output status. | ||
| The calculation of the pitch and roll angle. | ||
| Battery voltage. | ||
| Headlamp switch position | ||
| (*) BSM | Average vehicle speed. | |
| Yaw / lateral rate. | ||
| Left front, right front, left rear, right rear wheel status | ||
| (*) IPC | Night vision display status on the cluster screen. | |
| Total odometer value. | ||
| Night vision setting | ||
| NVPM | Night vision pedestrian and animal detection status. | |
| Night vision page and pop up display information. | ||
| Night vision page request. | ||
| Night vision warning available status. | ||
| External lights low beam status, left and right front chime activation request. | ||
| (*) PCM | Engine Stop Start (ESS) status. | |
| (*) TCM | Transmission shift lever position. | |
| CAN-FD-1 | Air Suspension Control Module (ASCM) | Air suspension status. |
| CAN-FD-3 | BCM | Ignition switch position. |
| Night vision page display information. | ||
| Night vision page request. | ||
| Night vision pedestrian and animal detection status. | ||
| Night vision pop up and telltale display information. | ||
| BSM | Left front, right front, left rear, right rear wheel status. | |
| Pitch / longitudinal acceleration value. | ||
| Yaw / lateral acceleration value. | ||
| IPC | Night vision display status. | |
| Night vision setting. | ||
| Total odometer value. | ||
| PCM | Engine Stop Start (ESS) status. | |
| TCM | Transmission shift lever position. | |
| LVDS | NVPM | Images from the night vision camera. |
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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.
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