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Home >> Ford >> 2015 >> Transit-350 HD Base, Van Cargo Extended >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Passive Anti-Theft System (Pats) - Vehicles With: Keyless Vehicle System) >> Description And Operation >> Passive Anti-Theft System (PATS) - System Operation and Component Description >> System Operation >> Network Message Chart
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Network Message Chart

WARNING: This page is about a different car, the 2017 Ford F-550 Super Duty, 2017 Ford F-450 Super Duty, 2017 Ford F-350 Super Duty, and 2017 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

BCM Network Input Messages 

Broadcast Message Originating Module Message Purpose
RKE data RTM The RTM sends the BCM programmed passive key information.
PATS start request target command PCM The PCM sends the BCM a challenge request for a valid ID.

IPC Network Input Messages 

Broadcast Message Originating Module Message Purpose
Vehicle mode BCM Used by the IPC to display No Key Detected when the START/STOP button is pressed and no programmed key is detected within the vehicle.
Ignition status BCM Used by the IPC to power up when the START/STOP button is pressed and a programmed key is detected within the vehicle or to power down when the request is to turn the vehicle off.

PCM Network Input Messages 

Broadcast Message Originating Module Message Purpose
PATS control command BCM The response from the BCM supplying the PCM challenge ID. If the BCM ID response is incorrect, then PATS prevents the vehicle from starting.
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