2017 - 2022 Super Duty The 2017-2022 Ford F250, F350, F450, F550 & F600 Super Duty Pickup and Chassis Cab

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Old

Aug 9, 2023 | 12:37 PM

#1

WXboy

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Logistics Pro

Joined: Sep 2002

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From: Central KY

What is this?

I found this module plugged into the back of my OBD port on the truck I just bought yesterday. What is this thing?

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Old

Aug 9, 2023 | 12:39 PM

#2

JoeUser

Fleet Mechanic

Joined: Oct 2022

Posts: 1,821

Likes: 896

From: Dallas Metroplex

Looks like a dealership tech forgot their data link module after working on your truck, mebbe?

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Old

Aug 9, 2023 | 01:13 PM

#3

Ltngdrvr

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Joined: Nov 2005

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Has a Ford part number on it, google it.
I would but can't read it clearly.

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Old

Aug 9, 2023 | 01:24 PM

#4

redford

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Joined: Sep 2000

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From: Stephensville WI

Club FTE Gold Member

Ford Module - Smart Data Link

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Old

Aug 9, 2023 | 01:39 PM

#5

WXboy

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Logistics Pro

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From: Central KY

Ah ok. Crap...I was hoping it was a remote start module.

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Old

Aug 9, 2023 | 01:54 PM

#6

Xian K

5th Gear

Joined: Aug 2023

Posts: 5

Likes: 2

Quote:

Originally Posted by WXboy

Ah ok. Crap...I was hoping it was a remote start module.

I think most of those are on the left side of the dash. AT least all mine have been. You got a tech module.

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Old

Aug 9, 2023 | 02:41 PM

#7

Poncho450

Lead Driver

Joined: Oct 2014

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From: NY/Canada border

Quote:

Originally Posted by Ltngdrvr

Has a Ford part number on it, google it.
I would but can't read it clearly.

I've been told that these numbers on the part itself are generally engineering numbers. Closely resembling a part number but not an actual part number. Supposedly the 4th digit will be Y or Z on part numbers.

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Old

Aug 9, 2023 | 02:48 PM

#8

acdii

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Joined: Feb 2022

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https://parts.ford.com/shop/en/us/el...link-7872787-1

It is used to communicate with the can-bus via the ODBII port. The tech just forgot to remove it after doing diagnostics.

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Old

Aug 9, 2023 | 05:14 PM

#9

ifrythings

Fleet Mechanic

Joined: Aug 2011

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Likes: 258

That is NOT a dealer tool, it’s the gateway module for the truck that allows the 5-6 CAN bus networks talk to each other and the obd2 tool to talk to the 5-6 networks using only 2 wires. It’s the equivalent to a router that you use in your home network.

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Old

Aug 9, 2023 | 07:03 PM

#10

acdii

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Quote:

Originally Posted by ifrythings

That is NOT a dealer tool, it’s the gateway module for the truck that allows the 5-6 CAN bus networks talk to each other and the obd2 tool to talk to the 5-6 networks using only 2 wires. It’s the equivalent to a router that you use in your home network.

I concur, I looked under my dash when I got home and sure enough it has one too, its just happens to be very well secured to the dash. Question is, do all trucks from XL need one, or just higher trim trucks? Maybe that is why the OP's was loose.

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Old

Aug 10, 2023 | 06:53 AM

#11

speakerfritz

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Joined: Jul 2013

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Quote:

Originally Posted by Ltngdrvr

Has a Ford part number on it, google it.
I would but can't read it clearly.

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Old

Aug 10, 2023 | 07:14 AM

#12

ifrythings

Fleet Mechanic

Joined: Aug 2011

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Likes: 258

Quote:

Originally Posted by acdii

I concur, I looked under my dash when I got home and sure enough it has one too, its just happens to be very well secured to the dash. Question is, do all trucks from XL need one, or just higher trim trucks? Maybe that is why the OP's was loose.

All trim level trucks had it 2017 and up and 2015 up in the f150s

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Old

Aug 10, 2023 | 07:56 AM

#13

acdii

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Yeah, but can it do the can can?

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Old

Aug 10, 2023 | 10:24 PM

#14

Squirrel13

Laughing Gas

Joined: Sep 2018

Posts: 1,115

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From: KY

Pretty sure that module is the gateway.

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