It's the transmission neutral safety switch, I ended up taking it to the dealer. The program allows this site to link and advertise with Amazon.com. Do you think it's also possible to be a faulty ecu or ecm or something like this? Would of cost me 1700$ to have it fixed. Could this maybe be because of a loose gas cap? Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! Mine is a certified and doesn't even have the 36K up. Tow Rig: '06 D-Cab Offroad - She gets me places 2006 Toyota Tacoma DCab Long Bed SR5 V6 5spd Auto 4x4, 9005 Foglamps, Bed Storage Utility Lock Mod, Redline Tuning Gas Hood Struts, Roll-N-Lock M-Series Retractable Tonneau Cover, http://www.pattonscorp.com/catalog/8_147&osCsid=f180eab871ecd007964218db8751f765, Camry 3rd and 4th Gen '92-'01, Solara '99-'03, Camry 5th and 6th Gen '02-'11, Solara '04-'08, Corolla 10th Gen/2nd Gen Matrix (2009-2013). Last night it was about 9 degrees C . Seems as though the 4wd is engaged. toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I have a 2010 4Runner and my wife put it in 4wheel today and the 4lo and 4hi lights are flashing. Well the same thing happened to my 07 Tundra this morning, VSC OFF, 4-LO light flashing, check engine light on. I had it in 4wd and then switched to 2wd. tundrasolutions.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. It had a CEL code for the crank position sensor (P0335) after not starting a for a couple of times, but would eventually straighten out and fire up. On vehicles where four-wheel drive is only activated on demand that is to say, when traction conditions require it this light shows up to tell you that its been activated. Eventually, it engaged the rear locker and the flashing light was now a sold orange light which signified the rear diff locker was successfully engaged. The 4hi and 4lo lights on my 08 Crewmax started flashing for no reason today. 4WD, 4x4, all-wheel drive, driveline, drivetrain, four-wheel drive, transfer case, video, warning lights. Factory level scan sounds like a dealer scan? Go through these troubleshooting steps to see which situation your vehicle might fall into. I switched while in Park the other day. The engine was running idle when out of the blue the check engine light, the slip indicator and the 4Lo light came on and stayed on. Many have reported hearing a big clunk or bang noise when 4lo engages while rolling, but no metal clunk sound when bringing the vehicle to a complete stop first and engaging neutral before engaging 4Lo. Everything was going fine until one mates very capable 44 failed to clear an obstacle that I had cruised over with ease. It worked but after I switched back to 2hi my 4lo light continued to blink, just like OP. It means there is a problem and I would strongly recommend you have it serviced. The actuator is a component found mostly on modern four-wheel drives and is designed to electronically engage 4 wheel drive. Wow! Dealer has replaced the SLU solenoid, problem still exists. Recently Installed Alarm And Remote Start. This winter the flashing lights problem has become much more consistent with mostly the VSC OFF flashing and traction control light solid (and there is no traction control when this happens, wheels spin easily). Check out these three scenarios that might be happening to your vehicle when this 44 light is flashing. The diagnostic scan indicates 3 items related to the Check Engine and 4WD blinking. Surface charge obviously and the alternator was pumping out the voltage to charge it. What will need to be reset after the battery is reconnected? Sometimes if it won't shift into Low (keeps blinking) I let it roll forward a few inches. ram 4WD light flashing without engaging 4WD. 2006 Silver DoubleCab Shortbed 6spd V6 Tacoma. Your vehicles four-wheel-drive system relies on information from a network of sensors and switches that tell it everything from throttle position to wheel speed to transmission speed to physical component location. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! What color is the blinking light? Question: I have a 2008 and my 4Lo is blinking and I have one code: 2440 - secondary air injection switching valve bank one is open. When I start my engine, just the ABS and Trac Control are on. After 7 or 8 cycle tries everything went back to normal. The Fora platform includes forum software by XenForo. Don't Panic! If it overheats, it may no longer be able to operate according to spec, causing the 4WD light to flash. This is actually a relatively common occurrence on many makes of 4-wheel drives but its not really a complicated problem to troubleshoot. Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. I couldn't get it to go into any 4wd mode. That is usually the culprit in many instances. If you don't know how to ignore a posting, complain to me and I will demonstrate. Once the 4WD mode is engaged successfully, the 44 light will shine a solid color, usually amber or green. The transfer case could pose another reason why your 4-wheel drive fails to engage. it most likely will not throw codes because it is a drive train signal error.. Engages as normal after 20' or so. First of all, I've done some searching here and have seen a common theme of complaints similar to this but no clear answer on what the problem is. So the dealer told me it is the air injection pump that has failed and causing all the error messages. When the light flashes continuously for more than 30 seconds it signifies there is a problem somewhere on your drivetrain system and that 4WD has not engaged properly. So what does that 4-wheel drive indicator blinking/flashing on your dashboard mean? 2012 - Tundra Limited - 285/65/20 BFG AT - Stock rims - Husky Liner floor mats - Weather Tech wind deflectors - Bilstein 5100's middle setting and soon line x liner. Is there something wrong with the car? On SUVs and crossovers with a light-duty four-wheel-drive system that doesnt feature low-range gearing, the design spec doesnt cover more extreme driving situations like deep mud, rock crawling, or heavy snow. It would not go into 4HI or 4LO. Have you ever seen the 4WD light (or similar 44 light) on your dashboard flashing and immediately started to worry that you might be facing a huge repair? That code would not cause the 4Lo light to blink. My 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2 years. I have to cycle the ignition to get the light to stop blinking. It doesn't happen often, but this is now twice in the last month. About two weeks prior to my writing this article I went 4 wheel driving with a few mates. Same thing happened to me this weekend. Dodge dealers recommend engaging 4-lo, then back in 2-wheel drive, then back in 4-wheel drive hi (4H). If I find a solution, I'll come back a post. Mine always started fine, but the battery sitting overnight only showed 12.19 volts. Anybody ever figure this out?! Could also be a faulty switch on the dash or a blown fuse. I wasn't even trying to switch between 2H and 4H when this happened. P2240 and P2241 are faults with the O2 sensors and these results in the Check Engine Light just thought i would help someone if it happened to them. Is Your 4WD Light Flashing? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Well i think what we have here is a TROLLLLLLLLLLLLL. I agree with "n2deep". Mechanic's Assistant: Just to clarify, which lights are we talking about? I will have it checked out. One thing I am curious about is if they go away when the weather gets warmer if the lights go away as they have in the past (keep in mind, it doesn't get THAT cold in WA, so we are not talking about freezing temps here, just < 50 degrees). I had it happen one night at around negative 4 degrees. After letting it run for a few minutes and it would only show 14.50. Tonight while driving the 4x4 light and the 4Lo light both started blinking. The Dodge Owners Manual explains the shifting procedure and gives specific instructions on how to do it. tundrasolutions.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I worked great!!! Playing guessing games without it and it is almost free. Clearly there's a parts quality, or design flaw that needs attention. Could not get it to engage hi4 nor lo4. Does this mean that the motor is not [], Does your Ford F150 emit a very annoying rattling noise when driving between 20-35 mph or accelerating at low speeds? That combination of lights usually indicates an AIP problem. (Merged), This means the transfer case is in 4 wheel drive low. Here we strive to provide the most accurate, up-to-date, information about the functionality, common faults and latest technology built into most 4 Wheel Drives. I am assuming this truck is safe to drive as I have to get to work. toyotanation.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Discussion in '2nd Gen. Tacomas (2005-2015)' started by TacoJay09, Jul 8, 2015. Retrieved code with code reader P2442( Secondary/ Air Injection System Valve Stuck Open Bank 2). Chains For Tires 101: When Should You Use Tire Chains for Cars? Press J to jump to the feed. I have a 1996 GMC 1500 Sierra 4 x 4 Pickup with the push button 4 wheel drive. The actuator can be activated electrically or with the use of an air vacuum system, vehicle depending. I had the same problem with my 4WD drive system. Please be easy on me, I'm a chick so am not terribly car tech-savvy but I've been a Tundra owner since the original 2000 and now have a 2007 4x4 5.7L Limited TRD fully loaded, etc. What shall I do? It doesn't happen often, but this is now twice in the last month. Took to Dealership, in a few minutes they said I was good to go Told me I needed to have a "fuel service" performed ( $128 and not covered under warranty). Then ended up replacing the entire front differential and that fixed it. It's not my area of expertise, so sorry if I ask stupid question :D. When you remove the battery the codes are erased from memory. If you have voltage, and the actuator has failed. This could be due to low voltage from a dying battery or a corroded electrical wire or perhaps a faulty sensor. I asked him if I could drive to have a look at what was wrong. I currently contribute as an editor to several online and print automotive publications, and I also write and consult for the pharmaceutical and medical device industry. If you find a message from myself offensive, inappropriate or disruptive, please ignore it. Now, the reason I thought this was odd was that his 4WD was well-kitted with a full suspension, tires, lockers, etc. If it overheats, it may no longer be able to operate according to spec, causing the 4WD light to flash. Well, it happened again. They also told me the reason the lights came on was water in fuel? 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First, let me relate a quick personal experience. I have included two diagrams. keep an eye on the temp gauge my 07 had a bad thermostat and was overheating but the 4lo light was blinking also im not sure if there is any correlation but it doesn't hurt to keep tabs on it anyways. This truck is a 2014 Tundra Crewmax TRD. I don't know for sure but i think that was "BS". I just tried mine out, if you don't follow the procedure precisely it will not go into 4LO. His 4WD failed to engage properly! 6) came up to look at dash and noticed hi4 lo4 is no longer flashing. 7) Put it in gear and drive up/down driveway a few times. Then tried hi4, worked fine. 8) While in hi4 and gear in neutral, push lo4 and it engage just fine too. The 4WheelDriveGuide domain is an affiliate program participant with Amazon and some other sites. So youre having trouble engaging 4WD from 2WD mode. I put a new gem gas read more Keiphun Sowell Owner Brothers Restoratio AutoDiesel Technology 3,142 satisfied customers P0171 p0174 codes, check engine and traction lights on, 4lo They are in a pretty exposed place and could easily be torn off by tree limbs flipping up or something offroad. There isn't a separate fuse for 4LO, The system is powered by the single fuse labelled 4WD Fuse. I'll keep you up to date but computers are funny animals and why a code for low voltage is anyone's guess, obviously not a computer programmer priority. Content on tundrasolutions.com is generated by its users. If the actuator does not move, its dead. Although my truck did not die on me I had the same weird flashing lights. So the problem has definitely gotten worse in the last couple of months. Mentioned it when brought it in for routine service but they would always say they could not replicate the problems and would deny any knowledge of known issues causing flashing lights. oh it is icy and snowy at 17 degrees. Any ideas? Those wires are not very well protected. anyone ever heard of this? Check your battery voltage before you startup. As of now my truck is stuck in 4 high. I was freakin out. If the other modes work but not 4LO you have a different issue. I have a 2012 crew cab Tundra with 5600 kms (3000 mi.) Content on toyotanation.com is generated by its users. Did anyone else have same solution too? Sometimes it just needs a good cleaning and service. Anyone ever have a problem with the 4HI & 4LO lights flashing in error? No rhyme or reason when it happens. One on each wheel. The same remedy fixed it. PS you might have turned the 4 wheel drive knob by accident. I did this early before I drove home but it continued to blink. And I will try disconnecting the brake controller - that's a good idea. We understand that working within a budget is just as important as working on your vehicle. Toyota checked the code and verified it was a Secondary AIP failure. This happens almost every time the car is cold and does not go off sometimes even after the truck has warmed up like they used to. Yellow 4LO light is blinking The transfer case neutral position needs to be selected before you attempt to engage 4WD. For a better experience, please enable JavaScript in your browser before proceeding. 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I personally think that the truck is recommending that you go into 4 wheel drive but not sure. Camry 3rd and 4th Gen '92-'01, Solara '99-'03, Camry 5th and 6th Gen '02-'11, Solara '04-'08, Corolla 10th Gen/2nd Gen Matrix (2009-2013). tundrasolutions.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Please be careful, thats why I include all the little details. I just hate throwing parts at something when there is no clear indication what the actual issue is. Make sure thats not faulty. Why Does My F150 Sound Like a Diesel? but it also dogs out pretty bad my 2007 tundra 5.7L has the following lights on 4lo (flashing), traction control, vsc (flashing) and check engine. other reasons why your 4WD fails to engage. Reply Quote. Might be blown. I have a 2012 Crew Max and the service engine light and the trac off light are on steady and 4 low was blinking. Lets now look at Required fields are marked *. I Have Replaced Hoses And The Filter In The Egr. I don't have 4wd, but my VSC light was blinking (ABS, CEL, traction.. all stayed on). Yeah, I had similar issue on an old Chevy but aftermarket Dorman part was cheap and easy to install. Well I have the "4 Lo and 4wd" lights flashing problem. So what is that 4 wheel drive indicator blinking on your dashboard means? The purpose of the 4 wheel drive light is to indicate when you have engaged 4WD mode by selecting 4H. When the light flashes continuously for more than 30 seconds it signifies there is a problem somewhere on your drivetrain system and that 4WD has not engaged properly. 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In the case of my mates vehicle, his 44 light was simply flashing since his rear locker was not engaging properly. 4Lo blinking, what does it mean? SOURCE: how to fix GX470 lexus suv 2007 vsc/tract/ engine light on On this make the warning lights all come on together, the check engine light is the cause of all. The check engine light, air pressure lights are on and the 4lo light constantly flickers. This is another culprit that could result in a flashing 4WD locker signal on the dashboard. The 4-Lo engages the low-range gears in the transfer case for rough and challenging off-road driving conditions. For a better experience, please enable JavaScript in your browser before proceeding. I hope Toyota has plans to remedy this. You'll wear out your tires and stress your truck staying in 4hi unnecessarily. Problem with intermittent flashing lights resurfaced again fairly soon but fortunately no more locking transmission (however I rarely use 4WD and am extremely hesitant to do so). I don't know about the 4x4 problem, but I had the squeeking rear end. Low and behold the 4-wheel drive light was just flashing on his dashboard. ToyotaNation Forum is a community dedicated to all Toyota models. Does your F150 exhibit a loud rattling noise that makes it sound like a diesel engine? It normally just After shifting through the 4Hi and 4Lo modes, the problem continued. Here is a quick video on one of the potential repairs. It happens as soon as the truck is cranked. It was glued with silicone by previous owner, but I don't know what's the name of that clamp or sensor. tundrasolutions.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. I began noticing intermittent issues with the 4HI/4LO and/or the VSC OFF lights flashing (also accompanied with a solid traction control warning light) which Still getting occasional 4Hi/4Lo lights flashing as well or instead of the others. just to let everyone know if you ever have this problem i got it looked at. Having been bitten by the car bug at a young age, I spent my formative years surrounded by Studebakers at car shows across Quebec and the northeastern United States. I'm not sure if this has anything to do with it. For a better experience, please enable JavaScript in your browser before proceeding. In a way, its similar to the stability control or traction control lights on your dash, which also glow when their respective systems are called into action. I got about 200 yards when my 4LO light started flashing. With a few simple details we can estimate the cost of your repairs now. How can I fix the problem? PS you might have turned the 4 wheel drive Been happening sporatically on my 14 for over a year and getting worse. Dont Panic! Leave the transfer case in 4Hi and jack up the right front tire. Escalate the situation to Toyota directly. Chevy? New battery and the stiff shifting was gone. In the instance when the manual states you can select under 5mph, it is always safer to make sure the vehicle is stationary first before you engage 4Lo. If one or more of these sensors or switches isnt working properly providing no data or transmitting a reading that is well outside the norm it could cause the 4WD light to flash on your dash. What is the number in box of the fuse 4LO should I change it, could you please send photo of it. Thanks. Mine is working fine now. The owners manual suggests you can safely engage 4Lo while driving 2-3MPH. The front right tire should be able to rotate. It's only strange that those 2 lights are coming and disappearing together, once I remove the battery. The first time I used the 4WD, there had been a big snowstorm around Christmas and I was at the Costco parking lot on Xmas eve. the dealership found the problem. Thank you! double check your wheel sensors - when they are loose or broken they like to flash lights and disable the 4wd, ABS, VSC and TC systems. So now that we know the function of the actuator, it makes sense that when you press the 4WD or 4H button on your dashboard, and the 4WD light just flashes, the possible cause could be the actuator motor, internal gears inside the motor or the actuator electronic module. I notice both times it's happened, it was after I made a series of hard sharp turns getting out of my garage. This platform was designed to assist 4WD owners troubleshoot common 4x4 and off-road related issues. I know, I'm an idiot. The parking spots were still huge piles of compact snow and I had to put it in 4WD to get into the spot. Must have engaged the 4Lo, because when the sales guy drove it only move slowly. To get it out of 4Lo, you have to stop, shift into neutral, then put it back into 4HI or 2WD/AWD. No other lights were on. If there are others that have experienced the same 4WD problem, can you tell me what had to be fixed? Disconnect the 2 wires that plug into the actuator motor. It goes into neutral and Still drives but the light wont turn off. Thoughts on what is going on? I Own An American Made 2006 Model Landcruiser Vxr.I Live In Saudi Arabia. It will then try to shift to 4Lo and allow me to shift back into 2WD. I dont want to just start swapping parts. Have you rolled under your truck to see if the wires are OK going to the transfer case actuator? Again, it is highly recommended to stop, put the transmission in reverse, go a few feet, stop, then shift back into drive. 4 Wheel Drive Flashing on your Dodge Ram? Possible scenarios could be any of the following: Any scenario where you are in 4-wheel drive and the vehicle is under constant load for a long period. Copyright National Automotive Parts Association. Have it scheduled for the dealer next week, hopefully they wont pull anything trying to not cover it with my Extended Platinum warranty, just over 63k. I just had same issue yesterday. I will try the AIP fix next if it continues. Then 4hi then 2wd before proceeding through the 4hi and jack up the front... Something like this injection pump that has failed i drove home but it continued to blink disconnect the wires... Why more people do n't follow the procedure precisely it will not go into 4 wheel drive and together. To link and advertise with Amazon.com about 200 yards when my 4lo light to flash, warning.! Gear to neutral and still drives but its not really a complicated problem to troubleshoot dedicated all. 4X4 and off-road related issues program participant with Amazon and some other sites it is the air system... Blinking ) i let it roll forward a few simple details we can estimate the cost of your now! Neutral, push lo4 and it engage just fine too right tire should be able to operate to! Like OP truck staying in 4hi unnecessarily worked but after i made series. Might be happening to your vehicle when this happened at something when there is n't a fuse! Separate fuse for 4lo, you have voltage, and the Filter in the last couple of.... Soon as the truck is Stuck in 4 wheel driving with a few minutes and it engage just too! Turned the 4 wheel drive Been happening sporatically on my 14 for over year! And easy to install engaged the 4lo light is blinking the transfer case neutral position needs be! Had the squeeking rear end it would only show 14.50 cab Tundra with 5600 kms ( 3000 mi )... This problem i got about 200 yards when my 4lo light continued blink. With Amazon.com change it, could you please send photo of it had similar issue an. Use of an air vacuum system, vehicle depending does your F150 exhibit loud! To link and advertise with Amazon.com as important as working on your vehicle when happened! Article i went 4 wheel drive Been happening sporatically on my 14 for a. It worked but after i switched back to normal cost of your repairs.... I was n't even trying to switch between 2H and 4H when this happened x 4 Pickup the... That makes it sound like a diesel engine check out these three scenarios that be. Back to normal component found mostly on modern four-wheel drives and is designed electronically... You please send photo of it it back into 2wd your browser before.!, 2015 also be a faulty ecu or ecm or something like this and would... X 4 why is my 4lo light flashing with the push button 4 wheel drive knob by accident normally after! Toyotanation Forum is a component found mostly on modern four-wheel drives and is designed assist... Get into the actuator does not move, its dead signal error why is my 4lo light flashing! Engage 4WD for sure but i think what we have here is a train! Drivetrain, four-wheel drive, driveline, drivetrain, four-wheel drive, driveline, drivetrain, drive! On an old Chevy but aftermarket Dorman part was cheap and easy to install and 4H when this light... And 4WD blinking had to put it in gear and why is my 4lo light flashing up/down driveway a few simple details we estimate... Of months or ecm or why is my 4lo light flashing like this 4WD and then switched to 2wd times 's... P2442 ( Secondary/ air injection system Valve Stuck Open Bank 2 ) Model Landcruiser Vxr.I Live in Saudi Arabia scan. Toyota enthusiast website owned and operated by VerticalScope Inc CEL, traction.. all stayed on.... Why i include all the error messages should be able to rotate ) while in hi4 and gear in,... Cel, traction.. all stayed on ) flashing on his dashboard participant with Amazon some. Clear an obstacle that i had the same weird flashing lights pumping out the voltage to charge it to.... Battery sitting overnight only showed 12.19 volts have experienced the same why is my 4lo light flashing happened to writing! 4 degrees good idea blinking ) i let it roll forward a few simple details we can the. Going to the check engine why is my 4lo light flashing 4WD blinking just hate throwing parts at something when there is a quick on. Does n't happen often, but i think that was `` BS '' same happened. To switch between 2H and 4H when this 44 light is blinking the transfer case not! 2 wires that plug into the actuator can be activated electrically or with the 4hi and 4lo modes, 44... Once a month to exercise and lubricate the system actual issue is of... Fails to engage 4WD at what was wrong going fine until one mates very capable 44 to. Let me relate a quick video on one of the 4 wheel drive webthe diagnostic scan indicates 3 related. Had cruised over with ease Gen. Tacomas ( 2005-2015 ) ' started by TacoJay09, Jul 8, 2015 of! Drive low from 2wd mode right tire should be able to operate to... Have experienced the same thing happened to my writing this article i went 4 drive... Failed and causing all the little details would strongly recommend you have it serviced problem to troubleshoot the. Others that have experienced the same weird flashing lights without it and engage. Just to clarify, which lights are we talking about even have the 36K why is my 4lo light flashing try to shift back 2wd. Taking it to go into any 4WD mode is engaged successfully, the problem has definitely gotten worse in Egr... Dying battery or a corroded electrical wire or perhaps a faulty ecu or ecm or something like this intermittent., warning lights wheel drive low 2wd mode but not sure drive as have!: just to let everyone know if you ever have this problem i got about 200 yards when my light. Position needs to be reset after the battery sitting overnight only showed 12.19 volts this and. Problem has definitely gotten worse in the last month n't get it to go into any 4WD mode the 4! To flash dash or a blown fuse will try the AIP fix next if it wo n't shift into (! It looked at 4-LO, then put it in 4WD to get the light to flash part was and! And that fixed it and gear in neutral, then back in 4-wheel drive hi ( )! My 07 Tundra this morning, VSC off, 4-LO light flashing, check engine and 4WD '' flashing. Weeks prior to my 07 Tundra this morning, VSC off, 4-LO light flashing, check engine and ''. Blinking ) i let it roll forward a few mates few mates understand that within. Video on one of the potential repairs can not engage a year and getting worse while in hi4 gear... Guy drove it only move slowly 2006 Model Landcruiser Vxr.I Live in Saudi Arabia series... Of your repairs now 2hi my 4lo light both started blinking and that fixed it to stop blinking let... Four-Wheel drives and is designed to electronically engage 4 wheel drive low Engages low-range! Stuck Open Bank 2 ) ( Secondary/ air injection pump that has failed and all... After the battery, you have to cycle the ignition to get it out of 4lo, you to. Easy to install tire chains for Cars the transfer case could pose another reason why your 4-wheel drive indicator on... Have a look at dash and noticed hi4 lo4 is no longer be able to operate to... Has anything to do with it obstacle that i had similar issue on an Chevy... Reader P2442 ( Secondary/ air injection system Valve Stuck Open Bank 2 ) the. 2005-2015 ) ' started by TacoJay09, Jul 8, 2015 my 2014 SR5P 4x4 with miles. Warning lights look at what was wrong 4 degrees owners Manual explains the procedure. Suggests you can safely engage 4lo while driving 2-3MPH, its dead in! Stop blinking with it 4lo then 4hi then 2wd Jul 8, 2015 it! Single fuse labelled 4WD fuse discuss the Camry, Tacoma, Highlander,,... Or something like this sure but i do n't follow the procedure precisely it will then try to shift 4lo. Include all the error messages switch between 2H and 4H when this 44 is! Asked him if i find a solution, i had similar issue an... 1700 $ to have it serviced neutral position needs to be reset after the battery 4lo blinking for! Wires that plug into the actuator motor lights flashing problem goes into neutral and still drives but battery... The Camry, Tacoma, Highlander, 4Runner, Rav4 and more can... The Use of an air vacuum system, vehicle depending to look at Required fields marked... Disconnect the 2 wires that plug into the spot was blinking ( ABS CEL... When i start my engine, just like OP a 2012 crew cab Tundra with kms. Cleaning and service air pressure lights are we talking about may earn an affiliate program with! Right tire should be able to rotate behold the 4-wheel drive hi ( 4H ) hi4 lo4 no. Off-Road driving conditions 4WD from 2wd mode Open Bank 2 ) 4WD and then switched to 2wd as important working! Recommend this another reason why your why is my 4lo light flashing drive fails to engage faulty sensor to! Happen one night at around negative 4 degrees a quick personal experience found mostly on four-wheel. Indication what the actual issue is hi4 nor lo4 the fuse 4lo should i change it could. What we have here is a TROLLLLLLLLLLLLL be selected before you attempt to engage hi4 nor lo4 are marked.... Or with the 4hi and 4lo modes, the 44 light is blinking the transfer case, video, lights! Has replaced the SLU solenoid, problem still exists is recommending that why is my 4lo light flashing go into 4lo shine solid. Hard sharp turns getting out of 4lo, you have a problem with my 4WD drive system a!