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 MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 80 (POWER STEERING SYSTEM)DESCRIPTION AND OPERATIONADAPTIVE STEERING - SYSTEM OPERATION AND COMPONENT DESCRIPTIONSYSTEM OPERATIONNETWORK INPUT MESSAGE CHART
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Network Input Message Chart
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Network Input Message Chart
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
SECM Network Input Messages
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Accessory delay | BCM | This message is sent to the GWM and then to the SECM. This message informs the SECM when the accessory delay relay is active. This allows the adaptive steering lock to engage once the driver has left the vehicle. |
| ABS active | ABS module | Used to inform the SECM an ABS event is taking place. |
| Active front steering request | ABS module | Used to request steering angle changes for stability control events. |
| Drover door status | BCM | This message is sent to the GWM and then to the SECM. This message informs the SECM of the current driver door status, open or ajar. This allows the adaptive steering lock to engage once the driver has left the vehicle. |
| Lane keeping system status | IPMA | Informs the SECM of the current lane keeping system status. |
| Odometer master value | IPC | This message is sent to the GWM and then to the SECM. Provides the SECM with the current odometer value in kilometers. |
| Power pack status | PCM | This message is sent to the GWM and then to the SECM. Used to inform the SECM of powertrain status; OFF-torque not available, ON-torque not available, Start in Progress-torque not available, ON-torque available. |
| Restraint impact event status | RCM | Informs the SECM of airbag deployment and fuel system cutoff due to a vehicle impact event. |
| Stability control event in progress | ABS module | Used to inform the SECM a stability control event is taking place. |
| Stability-traction control mode | ABS module | This message indicates the current driver selected stability-traction control mode. For information on the available stability-traction control modes, refer to Disabling AdvanceTrac. Refer to: Anti-Lock Brake System (ABS) and Stability Control - System Operation and Component Description . |
| Stability-traction control mode indicator status | ABS module | This message indicates the current status of the stability-traction control mode indicator; on, off slow flash or fast flash. |
| Steering wheel angle | ABS module | Provides the SECM with steering wheel angle information for clear vision compensation. |
| Steering wheel heat request | BCM | This message is sent to the GWM and then to the SECM. Informs the SECM the driver has requested the heated steering wheel to be activated. |
| Turn signal status | SCCM | Informs the SECM of the current turn signal status; left, right or off. This information is used for lane departure warning. |
| Vehicle braking command | ABS module | Used to inform the SECM of vehicle braking. |
| Vehicle configuration information | BCM | This message is sent to the GWM and then to the SECM. Provides the SECM with the current vehicle configuration (central car configuration). |
| Vehicle life cycle | BCM | This message is sent to the GWM and then to the SECM. Used to confirm the vehicle is in normal operation mode, factory mode or transport mode. |
| Vehicle speed | ABS module | Used to inform the SECM of the current vehicle speed. |
| Vehicle yaw data | ABS module | Provides the SECM with vehicle yaw data for clear vision compensation. |
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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.