F250 smart junction box The Mechanic can help with your 2008 Ford F250's smart junction box and wiring issues. 450 F. Ford smart junction box or BCM as most people know it can be difficult to properly program without the proper credentials in late model Ford vehicles. There are like 7 or 8 plugs that connect to the Smart Junction Box. Body Control Module (BCM). Electrics, Infotainment, Modules, Sensors. 4L users often face smart junction box fuse failures and wiring harness connection issues. Smart Junction Box. The SJB controls signal circuits and can fail internally or have blown fuses. The SJB controls the power door lock system. Some fuses and/or relays may need replaced during installation. The GEM/CTM controls the following functions: Wipers/washers Warning Listed for sale is a used Smart Junction Box Rear Housing that was removed from a 2008 Ford F250 Super Duty XL SuperCab with a 5. The FSM also indicates the existing config should be dumped from the existing SJB, then loaded to the new unit after replacement. Dorman Products - Aftermarket Auto Parts & OE Solutions - 599-953 : Remanufactured Smart Junction Box. 81-86 Ford F150 F250 F350 Headlight Switch Assembly OEM. The module is fed by a circuit coming out of the power distribution box in the engine compartment and I think it is located on the passenger side of the center console. Part number 7C3T 15604 CL 2008 Ford F250 F350 F450 F550 Super Duty Fuse Junction Box Relay BCM. I was wondering if anyone knew, or has the layout to determine what relays K5 and K6 control on this smart junction box? I can’t find any numbers for the non-serviced relays in the oem diagrams. , Radio, windows, mirrors. Remove the A-pillar lower trim panel (kick panel) on the passenger side. For additional information, refer to Section 418-01. Nov 10, 2018 · 1999 - 2016 Super Duty - Smart Junction Box Question - My truck is a 2008 F250 SD 4x4 5. Ship fast and save more on FordPartsGiant. It will work well with your car and give you all the benefits of a smart phone in your car. Judging by the 2 codes you are getting I would spend more time Investigating the ignition switch it self. About a year ago I bought and had installed a dash cam set up. Section 204-04 has procedures and DTC codes for different faults and troubleshooting procedures. Sep 8, 2025 · 1980 - 1986 Ford F150 F250 F350 Gas Engine Dash Bezel. 0 crew cab on nov14. Listed for sale is a used Smart Junction Box Rear Housing that was removed from a 2008 Ford F250 Super Duty XL SuperCab with a 5. Can hear relays clicking when attempt to start but no crank. That fuse is for the Smart Junction Box Ford Fusion is the best smart junction box for your car. If exposed to these charges, damage may result. Shop wholesale-priced OEM Ford F-250 Super Duty Body Control Modules at FordPartsGiant. I have some parasitic draw that is killing my battery after about a week on not driving. Aug 15, 2007 · 1999 - 2016 Super Duty - smart junction box ? - where is it located at i am going to jump a circuit on the upfitter switches to give them power all of the time i beleive it is fuse f42 Mar 14, 2012 · Excursion - King of SUVs - Where is the CENTRAL JUNCTION BOX? - I'm trying to track down the problem with my power windows and radio loosing power but first need to find the CJB. For some reason your truck thinks that after it starts, the ignition switch stays in that position instead of dropping into run. Disconnect the 2 front SJB electrical connectors. It appears to be a glorified fuse panel. 08 09 10 Ford f250 f350 Interior Fuse Junction Smart Relay Box 7C3T-15604-AN Step by step instructions on proper disassembly, component replacement and re-assembly of the 2002 through 2007 FORD Central Junction Box (CJB) aka Body Control Module (BCM) concentrating on the NOTE: The smart junction box (SJB) is also known as the generic electronic module (GEM). The smart junction box sends a voltage to and receives the key-position signal from the ignition switch. Modern Fords rely on this advanced component to distribute power where it’s needed, protect circuits from overload, and facilitate communication among various electronic modules. Heard sparks snapping the wiring knuckle (rubber boot) between the door and the body. If your connectors are corroded, they will need to be cleaned prior to installation. Will the truck run WITHOUT reprogramming the box first? I will get it programmed but it would be Ford We offer a wide variety of Ford repairs and replacements for Instrument Clusters, PCMs (Powertrain Control Module), FICMs (Fuel Injector Control Module), SJB (Smart Junction Box), Turbo Actuators, and more. I have AutoEnginuity with the Ford option pack so I can read and clear The Smart Power Distribution Junction Box is typically located in the engine compartment near the battery or firewall. If you have corrosion this Oct 14, 2025 · This is one brand new OEM factory Genuine Ford Parts Smart Junction Box Module Fits all 2011 thru 2013 Ford Super Duty F-250 F-350 F-450 F-550 If you are unsure about your application please contact us with your VIN (Vehicle Identification Number). A cautionary tale (Pic Heavy) - Consider this a cautionary tale of woe. Nov 8, 2014 · 6. In the event that As-Built data is required (SJB will not communicate), all remote keyless entry (RKE) devices If your Excursion F. Remove any panels or covers: Using basic hand tools, carefully remove any dashboard panels or covers that may block access to the BCM. ISO 9141 is for diagnostic use only, and CAN is used for many modules to com unicate with each other on a common network. 4L Smart Junction Box Diagram Guide F250 5. Good afternoon everyone. Check your vehicle’s manual for exact location. . If you have a Ford vehicle that needs a smart Dec 24, 2012 · 1999 - 2016 Super Duty - smart junction box/headlight issue - on 08 F350 psd, had the smart junction box replaced at dealer two years ago when i began to notice my low beams would not come on in autolamp mode without cycling the headlight switch (cycling to any position would kick them back on). one possibly believes it is a failed or failing alternator, the other believes it is a pin out issue and the last dealer mentioned failing smart junction box. Jul 28, 2025 · This guide will show the user how to take apart the junction box and clean any corrosion in your 2010-2014 Ford Mustang. Smart Junction Box (SJB) Removal and Installation Disconnect the battery. Start by checking related fuses in the fuse panel. Genuine Ford Part - JU5Z-15604-BX. e. 8L. Low beams are out and are past the reset threshold. 350 F. Nov 29, 2012 · 2009 - 2014 Ford F150 - Smart junction box - I bought a new 2012 f150 5. Apr 7, 2014 · Sorry IC = instrument cluster, SJB = smart junction box, which is the interior fuse block on the passenger side. Jun 27, 2014 · 1999 - 2016 Super Duty - Smart Junction Box - 2008 F250 Superduty Lariet I stared noticing that my back drivers side power window switch wasn't working. I have a used one ordered. We believe in going beyond basic repairs by upgrading to high-quality components to make your product better than new. B. 4L - I need to Test a circuit in the SJB CMC19 (C2280F-9) How do you locate that on the SJB. This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components. All fit 2005-2024 Ford F-250 Super Duty and more. I have to replace the smart junction box. W. Mar 10, 2010 · NOTE: Prior to the replacement of the smart junction box (SJB), it is necessary to upload the module configuration information to the appropriate scan tool. 4L. You will need to remove the trim panel for access to the SJB box, pull the panel toward you and swing it out away from the side and remove it. Edit: This is direct from the service manual: NOTE: The GEM must be reconfigured upon replacement. ontroller area network (CAN) communications. Thank you! F250 Super Duty XL often faces front turn signal failures and smart junction box malfunctions. 4L engine and 137K miles. Jan 14, 2025 · A Ford Smart Junction Box (SJB) is more than just a fuse panel—it’s the central brain for many of your vehicle’s electrical functions. Confused and out of options so any direction on diagnosis would be great. The pictures are of the actual part you will receive. Genuine Ford Part - JU5Z-15604-BY. Quick video showing how to change the BJB on a 2020, 2021 & 2022 f250, f350, f450 & f550 trucks with either 6. Disconnect the Smart Junction Box. Sep 17, 2010 · I believe the Smart Junction Block is a combination of the GEM module and another module. When the SJB receives an unlock/lock command from any Shop wholesale-priced OEM Ford F-250 Super Duty Fuse Boxes at FordPartsGiant. Testing has isolated the problem to fuse 5 inside the right side kick panel. When ignition is turned on abs lights and park brake light on in dash, oil pressure light and temp and wrench cycle thru display continuously. If you’re experiencing any odd electrical glitches—like flickering Dec 27, 2023 · A Smart Junction Box (SJB) is an electronic component found in Ford vehicles that serves as a central hub for controlling and distributing electrical power to various systems and components within the vehicle. Ships from Mike Knapp Ford, Welland ON When a 2016 Ford F250 won’t start after replacing the Smart Junction Box (SJB), the module often requires programming with a Ford diagnostic tool. The SJB monitors the door lock/unlock switch inputs from the interior door lock switches. The part is in good condition with normal wear for year and mileage. Refer to the NGS Tester help screen on the Ford Service Function (FSF) card to program tire size and axle ratio. com. 7L Diesel 6R140 Automatic Transmission 4WD CCLB 172In. Nov 26, 2020 · Smart Junction Box and Cargo Lamp Jump to Latest 8K views 11 replies 3 participants last post by estoppel101 Dec 13, 2020 E May 9, 2022 · 2009 - 2014 F150 - Smart Junction Box ?? - I thought I would start a new thread on this problem since I've made some progress. 2L gas engines Nov 4, 2021 · According to the 2010 shop manual, the TPMS receiver is integral to the SJB (Smart Junction Box), which is in the center console. This item will require on-car programming, coding Jan 28, 2018 · Hi All, just wondering if anyone has had any luck repairing a smart junction box(SJB)? We have a 2004 Freestar (3. 7L powerstoke diesel or 7. 2008 Ford F250 5. Although the battery and fuses may be fine, the SJB controls critical startup functions. Used INTERIOR DASH FUSE BOX MODULE WIRING PLUGS removed from a2007 FORD F250 SUPERDUTY. Jun 7, 2023 · Smart Junction Box, fuse and relay panel with pc boards inside, located at passengers side kick panel. I'll show you step by step how to replace the Ford Expedition GEM/Smart Junction Box and program the 2011 Ford Expedition GEM/Smart Junction Box using the IDS system. Thinking I was dealing with a reputable shop (it was/is) I opted to have them do the install of a hardwire kit so I could get Ford F150 2011-2014 Smart Junction Box BCM Fuse Box (SJB) Repair Temporarily unavailable Need this fixed? Submit a custom repair request. The abreviation in the manual is SPDJB. 9) that has some issues, including 1 with the power door locks, that point to the problem being with the SJB. how do you Communications Network NOTE: The smart junction box (SJB) is also known as the generic electronic module (GEM). Oct 22, 2019 · 1999 - 2016 Super Duty - Smart Junction Box (SJB) 2008 F350 6. That fuse is for the Aug 8, 2025 · This is a nice looking used Smart junction box from a 2009 Ford F-350 Super Duty. All fit 1999-2024 Ford F-250 Super Duty and more. Nov 15, 2025 · PART NUMBER: 7C3T 15604 AL. 3 or 6. This in turn, turns on several circuits that basically wakes up the whole vehicle and gets ready for start, or, at the end of a run, turns them off, putting everything back to sleep. This is in good working order with no corrosion on pins or damage from wreck or removal. If electrical components fail, check the SJB fuses and relays first. 550 is intermittently stalling, having no-fuel or no start problems or other associated problems, this repair service is for you! 2002 2003 2004 20052006 2007 Ford Full Size Superduty 02 03 04 05 06 07 Detailed repair manual for the 2008 Ford F 250 4WD Super Duty V10-6. / Ext: Ug I have 2016 Ford F250 and truck wont start …mechanic changed Smart Junction Fuse Box and it still wont start…. Removed from a 2011 Ford F-350 Lariat 6. Ford F-250 Super Duty. Your Ford vehicle only deserve Genuine Ford Body Control Modules. Jun 28, 2018 · On the 2011-2018 Ford F250, the Smart Junction Box (SJB) is located on the right-hand side of the passenger footwell behind a trim panel. 4 Litre gas. We've spent some time trying to find a short or some other problem with Dec 3, 2012 · I have a 2008 F350 6. Customer: Do you have the step-by-step instructions for programming a Smart Junction Box that I just installed in a 2008 F250 King Ranch? I added the keys, and the interior lights are blinking on and off. 4L PSD and the factory service manual is calling for SJB replacement. NOTICE: Electronic modules are sensitive to static electrical charges. / Ext: Ug White Save Money When You Order Your Body Control Module BCM - Smart Junction Box (dc3z15604c) For Your 2011-2013 Ford Vehicle From Our Online Parts Store! Oct 17, 2024 · According to their information, "After installation your Super Duty will need it's Smart Junction Box "enabled" (flashed/programmed) to recognize the newly installed brake control module. The smart junction box (SJB) manages fuses and relays for multiple circuits. CAN in-vehicle networking, is a method for transferring data among Feb 5, 2024 · 2009 - 2014 F150 - Smart Junction Box ?? - I thought I would start a new thread on this problem since I've made some progress. 14-15 Ford F250 F350 BCM Fuse Relay Smart Junction Box Module Ec3T-14B476-BA EC3T-14B476-BA Description: Ford Super Duty under dash interior fuse box relay panel module, make sure part number matches Condition: used - good, light wear Removed from a 2014 Ford F-350 Lariat 6. This information must be downloaded into the new SJB after installation. 250 F. Part number AC3Z-15604-D on a 2008 F-250 6. Feb 1, 2024 · 2017 - 2022 Super Duty - Battery Junction Box and H2O. When front turn signals lack power but marker lights work, inspect the smart junction box (SJB). (I must mention I am an electronics technician, but my specialty is not Smart junction box from a 2008 Ford F-250 Super Duty. On 18 nov while it was sitting in my driveway with 72 miles on it it had no electrical power at all, except the power seat and mirrors worked. Shop OEM Ford Body Control Modules at wholesale prices. To troubleshoot, first open the hood and inspect the area around the battery for a black plastic box with multiple fuses and relays. ford said it was The location of the BCM varies by model, but typically it is located under the dashboard, in the driver’s footwell area, or near the fuse box. Nov 3, 2007 · It said 'smart junction box', it didn't have part numbers on it. Feb 24, 2015 · Current Smart Junction Box technology combines fuses, relays, a microcontroller and multiple (circuit board and fret) layers of interconnection into a single integrated assembly. Its job is to provide protection against excessive current loads, typical of a short circuit, by shutting down circuit function. And, how would you like to connect with the Mechanic - phone call or online chat? Sep 8, 2025 · 14-15 Ford F250 F350 BCM Fuse Relay Smart Junction Box Module Ec3T-14B476-BAEC3T-14B476-BADescription: Ford Super Duty under dash interior fuse box relay panel module, make sure part number matchesCondition: used - good, light wearRemoved from a 2014 Ford F-350 Lariat 6. Ships from Metro Ford Sales, Tsuutina Alberta May 4, 2018 · Wiring over lay performed, smart junction box had few fuses blown and have been replaced. Detailed repair manual for the 2009 Ford F 250 2WD Super Duty V8-5. Jun 22, 2016 · I have spoken to three different Ford dealerships. 0L Power Stroke Diesel - Can a fuse Box/ Smart Junction box be bad??? - I have a 2006 F250 Super Duty, and keep blowing fuse associated with the delayed accessories, i. roq sxbzut gzssk kcdoyu nceps edrsm xvplem zthqwf lqvnbbjdd gagbg uwfbfw frfi ddsazo pfr zdamv