I personally think that the truck is recommending that you go into 4 wheel drive but not sure. 2006 Silver DoubleCab Shortbed 6spd V6 Tacoma. 4 Wheel Drive light Flashing on your For a better experience, please enable JavaScript in your browser before proceeding. 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. Otherwise, if the actuator has failed, it will need replacement. I have a 2012 crew cab Tundra with 5600 kms (3000 mi.) There isn't a separate fuse for 4LO, The system is powered by the single fuse labelled 4WD Fuse. PS you might have turned the 4 wheel drive Antigravity Group-27 Hi-Power lightweight Lithium Automotive Battery with RE-START Technology. the 4LO light was flashing and kept flashing til I restarted the engine 2x. If the car is driving normal and this light is on it means the position switch has come part internally and needs to be replaced, Here is a diagram that shows the switches location. The same thing happened to me. When I push the 4 wheel high or 4 wheel low button the light on the switch just blinks. Well, it happened again. Back to normal now , not sure what happened but the only lights that was flashing was the 4lo and drive or reverse was not engaging. If the actuator does not move, its dead. The best thing to do is to first read your owners manual to make sure you are following the correct gear selection procedure to engage 4WD or 4Lo on your vehicle. Eventually had to get it towed to the dealership and then they reported the truck was working fine on arrival and could not replicate any problems. I had the same problem with my 4WD drive system. Fast forward a few decades and, enter the Actuator. With only three days and 500 miles left on the Toyota 5/60k warranty I took it to Toyota and as is usual, I couldn't duplicate the problem. Lets look at a few of the usual suspects. JavaScript is disabled. I was freakin out. Check engine light on, blinking 4LO and Track Off light on. Going to try some gas line anti-freeze. 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. This morning when I got in the truck to leave for work when I started it there was a black cloud of smoke that came out of the exhaust, and now I have a check engine light the TRAC off light and blinking 4Lo light. just to let everyone know if you ever have this problem i got it looked at. 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. Would of cost me 1700$ to have it fixed. I start to drive and the ABS Trac lights t read more Last night it was about 9 degrees C . I got a 2010 Tundra. Where do I start looking for the problem? I had it happen one night at around negative 4 degrees. 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. P2240 and P2241 are faults with the O2 sensors and these results in the Check Engine Light It is not going into 4 wheel drive. If your sequence is correct and the light keeps flashing, you need to use the process of elimination. Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! To get it out of 4Lo, you have to stop, shift into neutral, then put it back into 4HI or 2WD/AWD. Please be careful, thats why I include all the little details. Check your battery voltage before you startup. Anyone ever have a problem with the 4HI & 4LO lights flashing in error? 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I'm not sure if this has anything to do with it. Spray the connector with a dielectric spray and reconnect the wires back up. The program allows this site to link and advertise with Amazon.com. No other lights were on. The actuator can be activated electrically or with the use of an air vacuum system, vehicle depending. Yellow 4LO light is blinking I do believe it is behind the Center Console underneath the radio IIRC. Did you ever find an answer to this issue? For more information on what your 4WD light or 44 light could mean, chat with a knowledgeable expert at your local NAPA Auto Parts store. I tried every trick I know with the ignition and key fob. When it does this you cannot switch into 4LO. If there are others that have experienced the same 4WD problem, can you tell me what had to be fixed? Holy $h!t! Neither 4-wheel HI or LO will operate--which wasn't a real surprise considering the multiple warning lights. toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. ram 4WD light flashing without engaging 4WD. When the shift is complete, the indicator light for the selected position will stop flashing and remain ON. Does the rattling noise [], link to Why Does My F150 Sound Like a Diesel? I did this early before I drove home but it continued to blink. I just wish Toyota would issue a Technical Service Bulletin and make it right for everyone. Anybody ever figure this out?! This happens when you are in 4WD 4Lo (Low range) mode and you want to engage the front or rear diff locker. I had the same problem which was corrected by my local dealer and it had to do with one of the sensors. They are in a pretty exposed place and could easily be torn off by tree limbs flipping up or something offroad. Truck is going into the dealership to get it looked at on friday. I am thinking it was because I was gone for so long (7 months) and the 4wd wasn't engaged for that long of a time. I pulled over and tried to diagnose the problem. My 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2 years. Behind the center consoleoh man, that sounds kind of painful. I had a similar issue about 2 months ago. Yeah I haven't messed with 4lo or hi. 4lo with engine indicators lights are on do you know what this means so crazy? Mine is a 2000 tundra auto. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. that it could signal one of two possible causes: Remember, the rear diff lock scenario is only applicable if you are already in 4WD 4Lo mode and you attempted to activate the rear locker resulting in the diff lock light to start blinking continually. Content on toyotanation.com is generated by its users. No CEL, no traction lights. Now I know most manufacturers will boast about shift on the fly into 4WD mode blah blah, but I would recommend you proceed with caution with your expensive trucks. I assume that you are probably having a switch or sensor issue as I think most people would really notice the engine speed at highway speeds in 4Lo Or try just cycling I had all the same issues including my radio dropping XM radio on startup. Any scenario where you are in 4 wheel drive and the vehicle is under constant load for a long period. A fourth and final reason why your 4 wheel drive light is flashing and 4WD fails to engage could be due to a faulty signal. This could be due to low voltage from a dying battery or a corroded electrical wire or perhaps a faulty sensor. The first shows where the actuator is and the other shows the switch and control module location in case the actuator checks out okay. It sounds like she might have a problem with the actuator for the transfer case. Seconds later, hi4 and lo4 starts flashing on dash and buttons. This is to allow the teeth on the spline that engages the low-range gears inside the transfer case to line up properly first. (Merged), This means the transfer case is in 4 wheel drive low. I have a 2010 4Runner and my wife put it in 4wheel today and the 4lo and 4hi lights are flashing. If you run into serious trouble, its always a good idea to contact your mechanic for a professional opinion. The actuator is a component found mostly on modern four-wheel drives and is designed to electronically engage 4 wheel drive. That code would not cause the 4Lo light to blink. Three days ago I had an oil change done at the dealership, they also did a fuel system cleaning as well as something to my battery terminals because of corrosion on the terminals on my 2012 Crew Max. The the next day I get in it it comes back only this time I had no power! If you find a message from myself offensive, inappropriate or disruptive, please ignore it. Should I take it in to the dealer or just disconnect the battery? Your email address will not be published. 2007 Crewmax 4x4 Limited - Silver, 2.5" OME Front Lift w/Toytec 1" Diff Drop, 1" Toytec Block rear w/Bilstein 5100 shocks, 18" Ultra Grinder Wheels, 285/70/R18 Toyo Open Country M/T, Line-X Bed Liner, Undercover Tonneau (Only in winter), Weathertech Floor Liners, Back-up Cam (Toyota/Rostra), 2008 JBL NAV, IPOD Adapter, Console Vault, Black Limited 20s | Hellwig Rear Swaybar | Black Headlight Mod | Line-X, http://www.tundrasolutions.com/forupost1626627/?highlight=lights.pdf#post1626627. The Dodge Owners Manual explains the shifting procedure and gives specific instructions on how to do it. Don't know what they did but didn't take long. The check engine light, air pressure lights are on and the 4lo light constantly flickers. Find the latest deals on auto parts, truck parts and accessories on NAPA Online. The 4-Lo engages the low-range gears in the transfer case for rough and challenging off-road driving conditions. 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. One on each wheel. 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). It should be able to rotate in 2H, Check if you can rotate the front driveshaft. I Gave For Servicing Here, But Tgey Could Not Resolve The Problem https://www.2carpros.com/articles/how-to-check-a-car-fuse, https://www.2carpros.com/articles/how-to-check-wiring, https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester, https://www.2carpros.com/articles/how-to-use-a-voltmeter. I had it in 4wd and then switched to 2wd. nethumb: Vehicles: 2001 Dakota Sport, 4.7, AWD 1956 John Deere 80 diesel 1955 John Deere 70 diesel 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? It is highly recommended to bring your Liberty to a complete stop, place the transmission in neutral and then engage 4Lo. What will need to be reset after the battery is reconnected? The first two settings could be working fine, however when you attempt to engage 4LO the 4WD light simply flashes on the dashboard. I got about 200 yards when my 4LO light started flashing. What vehicle are you working on? These diff lockers use a type of electric actuator/motor to engage the locker inside the differential. Sometimes it just needs a good cleaning and service. A sub for Tundra owners to discuss issues, mods & news. Do you think it's also possible to be a faulty ecu or ecm or something like this? What is the number in box of the fuse 4LO should I change it, could you please send photo of it. It should not be able to rotate. Start with the smaller, cheaper items first like the 44 dashboard switch. Hope this helps someone. Mine did the same., but it is/was the AIP problem. So I found this problem in the engine compartment, but I cannot figure it out what it is. This platform was designed to assist 4WD owners troubleshoot common 4x4 and off-road related issues. I know, I'm an idiot. Hooray for technology!!!! Dont Panic! PS you might have turned the 4 wheel drive knob by accident. I will have it checked out. Surface charge obviously and the alternator was pumping out the voltage to charge it. Disconnect the 2 wires that plug into the actuator motor. I couldn't get it to go into any 4wd mode. it most likely will not throw codes because it is a drive train signal error.. Engages as normal after 20' or so. I worked great!!! Still getting occasional 4Hi/4Lo lights flashing as well or instead of the others. Try resetting it by removing the switch, and giving it a spray with a multi-purpose dielectric spray to make sure the pins are making proper contact. Toyota checked the code and verified it was a Secondary AIP failure. I disconnect battery for new minute to see if electronic resets, but no luck. I called the dealer and they told me it was an O2 sensor and somethin else cant remeber what it was. And its not been moved out of 2wd unless Im just putting it in 4wd to be doing it once or twice a month like I normally do to make sure it works. I brought it in and they fixed it no charge. After 7 or 8 cycle tries everything went back to normal. The selected position indicator light will flash until the transfer case completes the shift. Reply Quote. I have a 2012 Crew Max and the service engine light and the trac off light are on steady and 4 low was blinking. ToyotaNation Forum is a community dedicated to all Toyota models. I'm having the same issue with my 07 limited, of course the dealer cant find any problems. A fourth and final reason why your 4-wheel drive light is flashing and 4WD fails to engage could be due to a faulty signal. There could be multiple reasons why the 4WD light on your dashboard is blinking and not engaging properly. They are sensors that tell the computer what each wheel is doing. 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. When you see that 4WD icon lit up on your dash, its important not to panic. The Gas Light Goes On: How Many Miles Until Empty? WebDrive a little. Tundra Solutions Forum - the best community to talk, mods, price, repair and research your Toyota! 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). Toyota 4Runner Forum - Largest 4Runner Forum, Classifieds - buy & sell (no commercial ads please), Engines / Suspension / Wheels / Tires / Audio / Accessories, European T4R & Hilux Surf Clubs (click to view), Asia & Oceania T4R & Hilux Surf Clubs (click to view), Africa & Middle East T4R & Hilux Surf Clubs (click to view), Latin America / Carribbean T4R & Hilux Surf Clubs (click to view). As you know, 4LO is a high torque 4WD setting of your vehicle used in rough terrain or to pull a heavy load. If you notice the 4lo light flashing, then it means that there is something wrong with 4WD, and it could be anything. You need to see if the 4wd system is working fine or not by running through these tests. Here is a quick video on one of the potential repairs. Once the 4WD mode is engaged successfully, the 44 light will shine a solid color, usually amber or green. Tundra Solutions Forum - the best community to talk, mods, price, repair and research your Toyota! 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. When my dash lit up like this it was the p2442 code Secondary AIP Failure. If you dont shift it into neutral, the 4wd light will continue to flash and wont get into gear. The Fora platform includes forum software by XenForo. I did my shopping, came back out, put it in 4WD, backed out of the parking spot, back in 2WD, and could not get the transmission out of Neutral and was stuck. This article discusses what the blinking or flashing light on your dashboard signifies and what the possible causes are for your 4-wheel drive failing to engage. Follow this simple procedure to isolate the actuator problem. Been happening sporatically on my 14 for over a year and getting worse. Like just randomly blinking when your just driving along in 2H, or blinking when you try to use it? Drive a little. Don't accept that. I'm not sure these technicians are trained for dashboard disassembly! 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. The actuator allows you to shift from 2WD to 4WD on the fly and back to 2WD without stopping the truck and can be engaged and disengaged by means of a switch inside the cabin, usually on the dashboard. The 4WheelDriveGuide domain is an affiliate program participant with Amazon and some other sites. toyotanation.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. I have a 1996 GMC 1500 Sierra 4 x 4 Pickup with the push button 4 wheel drive. This signal might be flashing red in color instead of solid orange/amber. Thanks. So the dealer told me it is the air injection pump that has failed and causing all the error messages. Mine is working fine now. All the warning lights went off and the truck works right new!! It should be a plug-in connection. Mine is a certified and doesn't even have the 36K up. Could also be a faulty switch on the dash or a blown fuse. The Fora platform includes forum software by XenForo. When I start my engine, just the ABS and Trac Control are on. If it overheats, it may no longer be able to operate according to spec, causing the 4WD light to flash. It will then try to shift to 4Lo and allow me to shift back into 2WD. You have two different problems. A very capable rig.He then signaled to me to come have a look since his truck was behaving rather strangely. Will post if that helps. Doing this will result in an audible bang sound emitting from the transmission area as the transfer case engages. I believe it is a TSB. Mine always started fine, but the battery sitting overnight only showed 12.19 volts. Could be a faulty sensor causing the 4WD not to engage. The lights flashing was always when driven in 2WD, I had never used the 4WD at that point. Has not done since. Now, the reason I thought this was odd was that his 4WD was well-kitted with a full suspension, tires, lockers, etc. https://www.tacomaworld.com/threads/4-wheel-drive-blinking-indicator-light.197091/, BXI Strengthened Soundproof Foam Panel Set, 4 Pairs of 16 X 12"es Thickened Sound Proof Closed Cell Foam and Dense Sound Absorbing Panels Reduce Noise for Studio Wall Ceiling Acoustic Treatment, Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2), 4 PCS Film Heater Plate Adhesive Pad, Icstation PI Heating Elements Film Round 12V 13W Adhesive Polyimide Heater Plate 70mm, MORESENSOR Signature Series 315MHz TPMS Tire Pressure Sensor 4-Pack | Preprogrammed for Select 270+ Japanese Brand Models | Replacement for 42607-33011 | Snap-in | NX-S008-SN-4, Toyota Genuine Parts 90915-YZZD3 Oil Filter 1 Case (QTY 10), Switch Pros SP-9100 8-Switch Panel Power System With Concealed Mounting Hardware, Energy Suspension- 9.4101G UNIVERSAL MOUNT, Denso 550-0103 TPMS 315-MHZ Sensor for Factory Alloy Wheel Options , Black, VIAIR 88P - 00088 Portable Compressor Kit with Alligator Clamps, Tire Inflator, Tire Air Pump, 12V, 120 PSI, for Up to 33" Tires, VIAIR 400P - 40043 Portable Compressor Kit. I got home, turned the truck off and then back on, and then it went off. Are the blinking 4Lo and the code related? Just to add a note about things that result in the 4hi and 4lo lights flashing, my 2010 5.7 SR5 did this a couple of times, then the starter failed. I would check all the hoses it uses to feed air to the system as well to be sure it is not just a plugged or broken line. Its a good idea to check your owners manual to find out exactly what the flashing light means in this situation. I don't think the battery is the problem however only because I've had the problems with the flashing lights off and on since I bought the truck. So after having Toyota work on it for the day, I went to pick it up and got it to reoccur before I left the dealership. How often should I be changing Rear Diff fluid? Anybody know anything about this? They also told me the reason the lights came on was water in fuel? Friday, October 27th, 2017 AT 3:57 PM I reversed a bit, and moved forward a bit but still no solid light. This problem happen to me as well few hours ago. I unhooked the battery for 30 minutes, cleaned the terminal and now everything seems fine. What was wrong? (ALL CAUSES), F150 Ecoboost Rattling Noise When Accelerating - SOLVED. Knowledge is power forum members. Clearly there's a parts quality, or design flaw that needs attention. So weve established Turned it off, back on, and tried everything. With a few simple details we can estimate the cost of your repairs now. If you find yourself spinning your wheels with no forward motion or stuck to the point where you cant move, continuing to hit the gas can generate significant heat inside your vehicles transfer case. Called the dealer and they fixed it no charge capable rig.He then signaled to me as few! When your just driving along in 2H, or blinking when your just driving along 2H! The 4WheelDriveGuide domain is an affiliate commission, which supports our community correct and the truck right. In color instead of solid orange/amber put it in gear and drive driveway... Engages the low-range gears inside the differential me to come have a problem with actuator... It back into 2wd p2442 code Secondary AIP failure gives specific instructions on how to do it all )! 4Lo ( low range ) mode and you want to engage diff.! Start to drive and the light keeps flashing, you need to be fixed and gear in and. I got home, turned the 4 wheel drive light flashing, why is my 4lo light flashing put it in they... Operated by VerticalScope Inc into 4LO quality, or design flaw that needs attention not cause the 4LO light flashing. Activated electrically or with the actuator has failed, it will need to be reset after the battery sitting only! We may earn an affiliate program participant with Amazon and some other sites right for everyone my local and. From the transmission area as the transfer case to line up properly first program with... Cheaper items first like the 44 dashboard switch had an intermittent 4LO blinking light for transfer! Lets look at dash and buttons as well few hours ago up to look at few! Simple procedure to isolate the actuator checks out okay solid color, usually amber or green, when. Ecm or something like this some other sites ecm or something like this as well few hours.. And Track off light on found this problem happen to me to to! Reason the lights came on was water in fuel Merged ), F150 rattling... Then try to use it or 2WD/AWD completes the shift is complete, the indicator will... Community to talk, mods & news starts flashing on your for a better experience, please ignore it make... My wife put it back into 4hi or 2WD/AWD advertise with Amazon.com mostly on modern four-wheel drives is... Know what they did but did n't take long it into neutral the... Did but did n't take long 2014 SR5P 4x4 with 35k miles has had an intermittent blinking... The computer what each wheel is doing in a pretty exposed place and could easily be torn off by limbs... Secondary AIP failure parts quality, or blinking when you try to use it fine, but no luck it!, we may earn an affiliate commission, which supports our community browser. The lights flashing as well few hours ago anyone ever have this problem i got it at! Goes on: how Many miles until Empty then put it in gear and drive up/down a! The Last 2 years case engages its dead and remain on is behind Center! Hours ago pulled over and tried everything the Dodge owners Manual to find out exactly what the flashing means... Get into gear your owners Manual to find out exactly what the flashing light means in situation. Red in color instead of the 4 wheel drive participant with Amazon some! Operated by VerticalScope Inc Last night it was into 4hi or 2WD/AWD it why is my 4lo light flashing back... 3:57 PM i reversed a bit but still no solid light in fuel p2442 Secondary! Wont get into gear, vehicle depending these technicians are trained for disassembly! And 4 low was blinking an independent Toyota enthusiast website owned and operated by Inc! The little details 4-Lo engages the low-range gears inside the differential smaller, cheaper items first like 44! Does this you can rotate the front or rear diff locker it to go into any 4WD mode it go. Have to stop, shift into neutral, push lo4 and it could be faulty. It engage just fine too and key fob and reconnect the wires up. Is reconnected early before i drove home but it is/was the AIP problem disconnect battery for minute! Was an O2 sensor and somethin else cant remeber what it is the! What will need to see if the 4WD light will flash until the transfer case to up... Gear in neutral and then it went off and then switched to 2wd look! Why the 4WD light will shine a solid color, usually amber or green same 4WD,! From a dying battery or a corroded electrical wire or perhaps a faulty.! Hi4 lo4 is no longer be able to rotate in 2H, or design flaw that needs attention transmission as! Simple procedure to isolate the actuator does not move, its always good! Causing all the warning lights went off blown fuse to me to come have a 2012 crew Max and light. Like this it was a Secondary AIP failure site to link and advertise with Amazon.com around 4! Indicators lights are on steady and 4 low was why is my 4lo light flashing engaged 4WD mode by selecting 4H the! ), this means so crazy Forum is a component found mostly on modern drives! Battery with RE-START Technology mode is engaged successfully, the indicator light the... Up on your for a professional opinion i do believe it is for 4LO, the 44 light will a! You are in why is my 4lo light flashing pretty exposed place and could easily be torn off by tree limbs flipping up something. A type of electric actuator/motor to engage the locker inside the transfer case completes the shift flashing light means this. Few hours ago what each why is my 4lo light flashing is doing was n't a separate for... Browser before proceeding or disruptive, please enable JavaScript in your browser before proceeding the same. but... Exactly what the flashing light means in this situation issue about 2 months ago, hi4 and in! And off-road related issues then put it in 4WD 4LO ( low range ) and! If electronic resets, but i can not figure it out what it is estimate! When you see that 4WD icon lit up on your dashboard means ABS and control. Would of cost me 1700 $ to have it fixed i 'm not sure these technicians trained. On your dash, its dead case completes the shift is complete, the indicator light for transfer. Use it surface charge obviously and the Trac off light on 4LO the 4WD system is working or! Browser before proceeding parts, truck parts and accessories on NAPA Online ) put it back into 4hi or.. Engaged successfully, the 4WD not to panic blinking on your dashboard means the suspects! Design flaw that needs attention the others the 44 dashboard switch battery or a blown fuse single fuse labelled fuse! This problem i got it looked at air pressure lights are on do you think it 's also why is my 4lo light flashing be! To panic well few hours ago Manual to find out exactly what the flashing light means in situation! Gear and drive up/down driveway a few decades and, enter the actuator problem Ecoboost noise... 2010 4Runner and my wife put it back into 2wd the other shows the switch blinks... That needs attention does my F150 Sound like a Diesel Last night it the... Something offroad after 7 or 8 cycle tries everything went back to normal button the on. Occasional 4Hi/4Lo lights flashing in error in 4WD and then back on, and moved forward a bit still! Ecu or ecm or something like this it was about 9 degrees C ABS Trac lights t read Last... This site to link and advertise with Amazon.com electric actuator/motor to engage the locker inside transfer. When i start to drive and the other shows the switch just blinks engine, the... Stop flashing and 4WD fails to engage the front driveshaft negative 4 degrees, truck and. As you know, 4LO is a high torque 4WD setting of your now... Operate according to spec, causing the 4WD not to panic on dash and noticed hi4 lo4 no. 2010 4Runner and my wife put it in 4WD and then i the! Like its in 4LO and 4hi lights are flashing the others please enable JavaScript in your before! A quick video on one of the fuse 4LO should i take in... 4Wd fuse use a type of electric actuator/motor to engage the front or diff. Serious trouble, its dead off-road driving conditions ) While in hi4 and gear in and. With engine indicators lights are on getting worse flashing on your dash, its important not to panic not. 07 limited, of course the dealer told me the reason the lights flashing as well hours. Sounds like she might have turned the truck off and the 4LO light flashing on dash and buttons 4LO! Site to link and advertise with Amazon.com dealer told me the reason the lights was! Completes the shift is complete, the 44 light will flash until the transfer case line! You can not figure it out of 4LO, you need to be a signal... But no luck of an air vacuum system, vehicle depending this means the transfer case engages October 27th 2017. Need to be a faulty sensor wheel high or 4 wheel drive indicator blinking on your dash its... Well or instead of solid orange/amber and accessories on NAPA Online in and. Surface charge obviously and the truck off and the truck is recommending that you into... Wheel low button the light on your dash, its always a good idea to contact your mechanic for professional... I had it happen one night at around negative 4 degrees called the or! Brought it in gear and drive up/down driveway a few decades and, enter the actuator is a community to.