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 61 (STARTING SYSTEM - 6.2L V8)DESCRIPTION AND OPERATIONSTARTING SYSTEM - SYSTEM OPERATION AND COMPONENT DESCRIPTIONSYSTEM OPERATIONNETWORK MESSAGE CHART
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Network Message Chart
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Network Message Chart
WARNING: This page is about a different car, the 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.
Module Network Input Messages Powertrain Control Module (PCM)
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Crank request | BCM | Provides the PCM with indication that the driver has commanded the engine to crank. |
| Power mode | BCM | Provides the PCM with ignition mode. |
| Ignition status | BCM | Provides the PCM with ignition mode. |
Module Network Input Messages Body Control Module (BCM)
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Intelligent access system status | RFA module | The response from the BCM request for the RFA module ID. If the RFA module ID response is incorrect, then the PATS is disabled. |
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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.