Trailer Tow: Component Description
| Part name | Description |
| BCM | * Receives lighting and turn signal requests from combination switch (lighting and turn signal switch). * Receives stop lamp signal requests from combination meter via CAN communication. * Sends lighting signal request to the IPDM E/R to control the tail lamp relay via CAN communication. * Sends turn/hazard/brake control signal to the trailer turn relays. |
| IPDM E/R | Activates the tail lamp relay upon request from the BCM via CAN communication. |
| Combination meter | * Receives stop lamp switch signal from stop lamp switch. * Sends stop lamp signal request to the BCM via CAN communication. |
| Combination switch (lighting and turn signal switch) | Outputs lighting and turn signal requests to the BCM. |