Removed bed and now numerous error codes

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Aug 29, 2022 | 07:40 AM

sean77077

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2nd Gear

Joined: Aug 2022

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Removed bed and now numerous error codes

I have a 2019 F150 Lariat 4x4 Super Crew with 5.0. I had to do some body work on the cab so i had to removed the bed. I carefully unhooked all the necessary electrical wires and fuel neck. Finished the work and installed the bed back. Now, the key fob and infotainment does not work. Also the tailgate will not open using the push button. I double checked all the wire harnesses for tightness. I used forscan and found many DTC error codes. What could cause all these codes to show up? Bad battery? I will have the battery checked out at O'reilly's today. I will look up each code but just wanted to see if anyone else had a similar issued maybe caused by a bad BCM or bad wire harness connection at the back of the truck.

DCDC B1310:15-28
BdyCM B1247:15-48
BdyCM B1248:15-48
BdyCM B12C2:11-08
BdyCM B1445:15-08
BdyCM B115E:08-08
BdyCM U0253:87-0A
BdyCM U0184:87-0A
BdyCM U0258:87-0A
BdyCM B1543:15-48
BdyCM B1542:15-48
FCIM U0253:00-48
FCIM B1082:07-070A
TCU U0253:00-0A
DDM B1C14:15-48
RCM U0253:00-0B
ACM U0257:00-0A
ACM U0253:00-0A
IPC U0257:00-0A

Aug 29, 2022 | 04:29 PM

JKBrad

Moderator

Joined: May 2005

Posts: 8,232

Likes: 1,248

From: San Antonio, TX

Welcome to FTE sean77077,

I would crawl under and carefully follow each harness to make sure it didn't get pinched when you re-installed the bed and tightened it back down. A few pinched and bared wires inside a harness can cause all sorts of crazy issues.

Aug 29, 2022 | 05:53 PM

sean77077

Thread Starter

2nd Gear

Joined: Aug 2022

Posts: 2

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I tried clearing the DTC codes using forscan and they will not reset. I will get back under the truck when it stops raining and check for any pinched wires. Please note I did drive the truck after the bed was removed which could have caused the error codes but I have reset the BCM module using forscan with no results.

Aug 30, 2022 | 11:14 AM

William

Logistics Pro

Joined: Feb 2000

Posts: 3,565

Likes: 9

From: Sun River St. George

How are these truck beds grounded? Is it possible that a ground wire or bolt was disturbed during the repair?

Aug 30, 2022 | 12:59 PM

GlueGuy

Lead Driver

Joined: May 2015

Posts: 5,889

Likes: 360

From: Mts. S. of San Francisco

Can you legally drive without the bed? Doesn't that lose the taillights and everything else aft of the cab? or were you just moving it around on your private property?

Aug 30, 2022 | 08:21 PM

Kingofwylietx

Fleet Mechanic

Joined: Nov 2016

Posts: 1,634

Likes: 72

Quote:

Originally Posted by GlueGuy

Can you legally drive without the bed? Doesn't that lose the taillights and everything else aft of the cab? or were you just moving it around on your private property?

In Texas, if you put your lights and license plate on the truck somehow...you're good. I did many years ago when working on a truck.
I just used the factory harness to run the factory lights that I basically taped onto the bumper...and added my license plate. It was only for a day or two.
I think you are also supposed to add something along the lines of mud flaps, but I'm not 100% sure.

Aug 31, 2022 | 01:12 PM

Olds64

Logistics Pro

Joined: Jun 2017

Posts: 3,986

Likes: 515

From: Edmond, OK

x3, definitely check for pinched wires and cable looms.

I would also check your grounding and bonding to make sure it's attached properly. I would use a wire brush and burnish all the grounding and bonding points. Coat them with Fluid Film after reassembly. If there were star washers or other hardware used in the OE grounding and bonding connections make sure you reuse it.

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Aug 31, 2022 | 09:05 PM

Bluegrass 7

Lead Driver

Joined: Sep 2006

Posts: 7,907

Likes: 143

He has realized that a harness or plug-up has an issue.
That many codes from the body control module is the clue.
He may come back and tell about it.

Jun 27, 2024 | 12:50 PM

#10

zachg461

1st Gear

Joined: Jun 2024

Posts: 1

Likes: 0

Had the same thing happen at a shop, its likely related to g400, on inside of RH frame rail a single ground for these 4 bulbs, ours was torn when the bed was lifted off. I am thinking this happened here too.

Jun 27, 2024 | 05:14 PM

#11

diesel_dan

Lead Driver

Joined: Jul 2004

Posts: 6,951

Likes: 512

From: Foothills, CA

One whole section of Canbus is unhappy with you - maybe when you drove it with the bed off? It wouldn't be happy without the rear radar tail lights plugged in for starters, just based on one youtube I watched from Ford Tech Makuloko... But if you got everything hooked back properly, I would think the system would reset? Good luck...