Symptoms of a bad smart junction box I was wondering if there’s a way to keep the Smart junction box from getting to hot inside the car. Going a little bonkers over here lol. Even without the keys in the ignition the headlights, turn lights, radio, inside lights, and auto door locks [cycle locked and unlocked] will flicker and stay on. We offer a Smart Junction Fuse Box repair service for 2004 through 2008 Ford F150 Trucks, which resolves common fuel or battery failures. 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. In 1st-gen Fusions it's called a smart junction box (SJB). My suspicion is the contacts of one of the door locking relays inside the smart junction box (aka interior fusebox Aug 3, 2015 · Bought New 05 Black GT coupe / TR-3650 / C&L Racer c. Judging by the 2 codes you are getting I would spend more time Investigating the ignition switch it self. I have encountered a weird issue with the electrical system. I'm just thinking with electronics like this, it could be related with the history I've had with this truck. It it is a bad design from the factory, not to Feb 7, 2023 · I have a couple of questions that are driving me crazy. The circuit board looked fine. Mechanic's Assistant: The Ford Mechanic can assist you in diagnosing a blown fuse. Sep 17, 2010 · I believe the Smart Junction Block is a combination of the GEM module and another module. Then they proceded to tell me it would cost $600 to fix. , Radio, windows, mirrors. Common failure of this Junction Box Electronics Module (JBE) causes fuel pump relay faults resulting in a Mini Cooper that won’t start. Jul 29, 2004 · The SJB is equipped on all vehicles and is located behind the RH A-pillar lower trim panel. Dec 21, 2021 · I have a 2005 ford freestar with about 147k miles on it. How old is it? Did you correct the bad ground? WRT modules, your car has numerous modules that control various functions. c / Baer slotted cross-drilled front rotors / Roush pedal kit / AutoMeter Digital voltmeter / SHR sequential taillights / Compustar Pro 2 way Security system. It appears to be a glorified fuse panel. e. Jan 6, 2019 · Smart Junction Box Problem? HELP! Sgt2007exp January 6, 2019 4x4 button wont work or engage door ajar light electrical issue instrument cluster reverse light smart junction box tmps No Front Turn Signal Blinkers Smart Junction Box Malfunction Ford Fusion 2006 - 2009 (Easy Fix DIY) Jul 10, 2009 · I logged into the forums to start reading for possible solutions. For additional information on interior lamps and illuminated entry, refer to Section 417-02. This type of problem is a common issue in many makes and models of cars and trucks. I gave them $175 for the diagnostic work and took my car. About 10 others with identical symptions, all 10 reported having to have Smart Junction Box replaced, $600-700. And disconnect battery for the job. Dec 7, 2023 · Symptoms of a Bad Smart Junction Box A smart junction box, also known as a body control module, is an essential component of modern vehicles. Jul 13, 2022 · Hello, forum, My dealer is telling me it is going to be 1200 to replace the Smart Junction block on a 2016 Kia Soul base model. When replacing a Ford Smart Junction Box (SJB), reprogramming is often required to sync it with the vehicle’s Body Control Module (BCM). Next I'd unbolt the SJB and verify that all connectors are seated. 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. Everything would go crazy and then fix its self, right up until all the lights went out at 8 pm in a snowstorm 700 miles from home. Dec 29, 2011 · So I had the dreaded passenger water leak on my 2005 GT. No gauges, lights, or anything worked, couldn't even shift it out of park. If you’re experiencing any odd electrical glitches—like flickering Aug 27, 2010 · PCM power is fed from the underhood BJB (battery junction box), so the lack of DTCs and drivability symptoms probable rules the BJB out. I found some threads about the water leaks and Smart Junction Box issue that my Mustang is prone to. Mar 9, 2023 · To learn more about a bad body control module, check out our post: https://www. i / 94 custom race tune / Barton shifter / Exedy Mach 500 clutch / Ram billet steel flywheel / Ford racing stainless steel hard clutch line / 2014 GT500 forged aluminum clutch m. When a smart junction box malfunctions, it can cause several issues that can negatively See full list on toolsbible. It's a common problem to have leaks there. The electrical problems are probably not connected to the smart junction box. That fuse is for the 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. It is responsible for controlling various electronic systems such as lighting, climate control, and security features. I can't recall the starting date of it's use, but many don't Dec 5, 2017 · Dealing with strange lights, sounds and other problems? Here's how to diagnose a bad body control module before it sidelines your vehicle. However Oct 10, 2010 · You're talking about the one near the passenger kick panel right? I would start by letting it completely dry out before purchasing another one. Yes, your car has a body control module (BCM). Do you know if all the fuses Ford Smart Junction Box Replacement: Shift Interlock Won't Release Shift interlock failure and smart junction box communication errors commonly affect this model after SJB replacement. tech out of Det. Does anyone know why Ford hasn't initiated a recall for this? A simple google search reveals thousands, if not hundreds of thousands, of people with the same issue. 0L, FWD) into the shop this weekend, because I was having issues with my rear wiper working intermittently. If you buy one and it's not the problem, as an electrical part it's probably not returnable. My power windows do not work nor does my Radio. I have some parasitic draw that is killing my battery after about a week on not driving. For removal information, refer to Smart Junction Box (SJB) in this section. Had it Nov 8, 2014 · 6. So, I would like to replace the connector, or at least disassemble it. For additional information on power door locks and RKE, refer Customer: I have a 2011 Ford Edge. For additional information on exterior lighting, refer to Section 417-01. Disclaimer: This information is AI-generated and intended for general guidance only. These modules can be integrated with the data bus and they can be the cause of many symptoms including inoperative components, no starts, and codes. Just want to know if I’m going at this the right way! Any advice or comment really would help! The car is a 2009 Ford Fusion SE with 2. So don't lock yourself out. Module 1:Key Interlock, Driver/Passenger Smart Key Outside Handle, Driver/Passenger Door Module, BCM, Driver/Passenger Outside Mirror Switch/Motor 3. 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). It's seen as the Apr 7, 2014 · Sorry IC = instrument cluster, SJB = smart junction box, which is the interior fuse block on the passenger side. Sep 5, 2018 · Integrated Power Module and Smart Junction Box Diagnosis Chrysler and Ford vehicles have been using an enhanced “fuse box” which does a lot more than circuit control and protection. Dec 8, 2020 · Hi! I own a 2005 mustang v6 as my first car, before buying it i didnt know that it had a clog in the front vents making water leak into my car, so to get to the point that leakage ended up spilling onto my cars fuse box and making it blow ( i know for sure it blew ) now im not the smartest when 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. My worry is it's something else and the process of elimination will cost me a bundle!! 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. It flooded the SJB and fried it. Often times it is in context of being wet / corroded and needing replacement. Randomly the Apr 22, 2014 · Re: Smart Junction Box & Random lights by JP79 » Wed Apr 23, 2014 12:32 am Thanks - truck is dry now last leak was repaired over a year ago. The same shop also installed an alternator in my car in 2010 after that the junction box has been going out over and over is Nov 29, 2012 · 2009 - 2014 Ford F150 - Smart junction box - I bought a new 2012 f150 5. ford tech at my local ford dealership and he said that it sounds like the SJB (smart junction box) cause almost everything is controlled threw it? Plus they have had problem like this on other 05 GTs with no answer to the problem. Water leaked into the smart junction box 3 months ago and I finally saved up to spend $1000+ to buy a new SJB. Jul 10, 2008 · So then i talked to the elec. We've spent some time trying to find a short or some other problem with Found 6 result (s) for your search Do you think a smart Junction box could cause the following problem? If not, any suggestions. It shows removal and refitting of fuse box and JBE. Nov 25, 2020 · Hello I've received another Safety Recall letter from Kia regarding a software error in the Smart Junction Box. ford said it was Oct 11, 2021 · Smart Junction Block (Leak Current Autocut Device, Fuse : BRAKE SWITCH, MODULE 1, DR LOCK, PDM 1, PDM 2) And reading the documentation: 1. They said that I have a bad rear wiper relay, but recommended replacing the entire smart. ABS and TCM are also fed from the BJB. It says this can cause the headlights to 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. I see this term frequently on this forum and that is "Smart Junction Box". 9) that has some issues, including 1 with the power door locks, that point to the problem being with the SJB. com/bad-body-control-module-symptoms/Got a car question an Hyundai is initiating recall campaign 210, a safety recall to repair a condition involving the Smart Junction Box (“SJB”) in certain model year 2015-2017 Hyundai Sonata, 2016-2017 Hyundai Sonata Hybrid, and 2016-2017 Hyundai Sonata Plug-in Hybrid vehicles in the U. If you have a Ford vehicle that needs a smart Apr 24, 2009 · They told me the Smart junction box got wet, somehow. For advice specific to your situation, please consult a verified expert on JustAnswer before making decisions. Got the car home and pulled the smart box out, all the corrosion was in the plugs, and the pins. a. No shorts leading to the box were identified so they concluded our SJB was bad and we were told it was an $1100 part with only one left with Ford at the moment. But all I paid was $276 total and Ford dealership just recoded and installed software that was reset when the SJB (GEM Module) got wet. My power windows do not Mechanic's Assistant chat Customer: Do you think a smart Junction box could cause the following problem? If not, any suggestions. com 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. This video tells you the symptoms of failure of JBE I experienced in BMW X3. It did the same as yours. "SJB" is "Smart Junction Box" the official name for the passenger foot well fuse panel. Testing has isolated the problem to fuse 5 inside the right side kick panel. So this leaves me with random parasitic draw. Now, the car won’t start; the radio and lights work, but I can’t even open the switch. Break switch : Stop Lamp Switch, Smart Key Control Module 2. Are you experiencing all the same symptoms as you did with the previous box? My smart junction box has been replaced in my car 4 times since 2010 the first thing to go out on the car has always been the blinker lights on the right side. Any way to deal with this without spending so much? What have you tried so far? Removed passenger side turn signal light to avoid constant dead battery problems Apr 6, 2014 · I seem to remember some connectors located behind box also. 3L May 24, 2020 · Thanks for the reply. May 28, 2018 · My smart junction box randomly decides not to shut down after a few minutes like it should when you turn the truck off. Feb 25, 2015 · If you own a recent 2000 0r later, Ford research the use of the Smart Junction Box (SJB) on your particular model. I'll guess that it's a fairly expensive part. Symptoms include but are not limited to the dash being a Xmas tree of lights 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. I went out to remove the Smart Junction Box and found corrosion on the terminals and in the female plug that connects to the front side of the Smart Junction Box. 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. It doesn't have any special features or anything that I can see that it would require it to be reprogrammed. The Smart Junction Box (“SJB”) software logic may not properly interpret the signals received from the Jun 8, 2009 · Hey I litterally got my car back today from the same problem. When I press the push-to-start button, nothing happens. Unfortunately, it does a lot more than just hold fuses which is why I'm looking for guidance. 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. In my case, I was on the interstate in a torrential rain when the SJB died and the SJB failed. Connector catalog: May 16, 2020 · Where is this located? Read a bunch about the Smart Junction Box and someone hit a reset switch by the inside fuse box and their turn signal started working again. Smart Junction Box Issues Causing Tire Pressure Light On Model often faces false tire pressure warnings and front blinker malfunctions related to electrical components. A new smart junction box comes with two new remotes. Sep 20, 2018 · This is bad because the aftermarket alarm depends on that circuit. Learn More! Jan 17, 2025 · The locks are being supplied with constant power which is draining the battery. The mechanics at the shop keep telling me that it is my speaker system which was installed in 2006 in my car. These cars have to been known to exhibit a myriad of electrical symptoms when the battery voltage is less than optimum. 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. findthebestcarprice. Where exactly is the reset button located? Thanks for the help I appreciate it. Jump to Latest 10K views 9 replies 3 participants last post by beejay Jun 18, 2020 B Jan 31, 2012 · Escape & Escape Hybrid - Testing Smart Junction Box - 2005 Escape Limited - Hello, I had to take my 2005 Escape Limited (3. Intermittent power window and radio failures often stem from a faulty smart junction box, which controls multiple electrical circuits. May 1, 2021 · Has anyone had their PCM or Smart Junction Box go bad? What were the symptoms? Mine are as follows: Car won’t start “check charging system” “service advance trac” “LC” “distance to E - - -“ rapidly blinking anti-theft indicator wrench diagnostic port won’t work May 4, 2018 · Wiring over lay performed, smart junction box had few fuses blown and have been replaced. Mar 14, 2015 · Right turn signal front bulb shows bad on instrument panel. If you’re experiencing any odd electrical glitches—like flickering Aug 23, 2012 · Your Smart Junction Box is a component of all the circuits you mentioned. Mar 9, 2022 · Long story short the symptom of that box failing in our case was a 2 volt reading from that box that was affecting everything from the box to the dash when we should have been getting 12V. Be careful you don't accidentally press the fuel cut off inertia switch in that area too, and be aware your key remotes are tied to that particular smart junction box. Jan 20, 2021 · I'd start with the battery. If you’re experiencing any odd electrical glitches—like flickering Sep 9, 2023 · Bad vehicle GEM module symptoms, causes, and fixes can be overwhelming. 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. I can press on, or jiggle the harness connector and toggle the fault. Replacing the Smart Junction Box or repairing damaged wiring typically resolves these lighting issues. All the items / systems you indicate had symptoms are fed from the SJB (smart junction box) in the passenger footwell, so the power feed to the SJB would be the prime Dec 25, 2021 · « Previous Thread Next Thread » Junction box problems please help!! Jun 16, 2020 · Smart Junction Box (SJB) for rear fog addition. If it were me, I'd search for a bad chassis ground first. Replacing the Smart Junction Box (SJB) can resolve front blinker failures but may trigger the tire pressure warning light. MI in which he had no answers!!! Before I do so. They even had a ford elec. This is one box from hell and can cause a number of electrical problems on many electrical and lighting circuits. I understand there's special tools for this, and I haven't been able to source the connector yet. We provide a JBE repair solution that will get your vehicle back on the road. Do I have to have them replace the unit? Jan 6, 2018 · I just replaced the Smart Junction Box on my 05 because of water. 0 crew cab on nov14. 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. I recently replaced the smart junction box because it appeared to have been damaged by a bad fuse. Check for blown fuses inside the junction box and inspect wiring harnesses for loose or corroded connections. The abreviation in the manual is SPDJB. That fuse is for the Symptoms Of A Bad Smart Junction Box Christine (White) Holbrook Symptoms Of A Bad Smart Junction Box Home Furnishings Ideas Christine (White) Holbrook,1958 When We Were Vikings Andrew David MacDonald,2020-01-28 A heart-swelling debut for fans of The Silver Linings Playbook and The Curious Incident of the Dog in the Night-Time. and Canada. 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