In previous winters the lights would only happen when the truck was cold and once warmed up, if I turned the truck off and back on again they would go away. Follow this simple procedure to isolate the actuator problem. If you dont shift it into neutral, the 4wd light will continue to flash and wont get into gear. So the problem has definitely gotten worse in the last couple of months. Where do I start looking for the problem? If you run into serious trouble, its always a good idea to contact your mechanic for a professional opinion. What shall I do? What was wrong? Is Your 4WD Light Flashing? My 08 sequoia is doing the same thing. We Try To Install Unichip Piggy Bank On I And The "check Engine" Light Was On, And When We Shift The Gear To D, It Shows 4th Gear Instead What Can I Do To Fix This. I just wish Toyota would issue a Technical Service Bulletin and make it right for everyone. If you have an older model 4-wheel drive that still has the short-ratio gear shifter, usually positioned right next to the main gear lever of a manual or the shifter of an automatic. The front right tire should be able to rotate. If i remeber right mine had 4 lo light on, VSC off light on and somethin else but it wasnt a check engine light. Please be careful, thats why I include all the little details. Your email address will not be published. Since this will be my first repair on. No other lights were on. I did this early before I drove home but it continued to blink. I'm not sure if this has anything to do with it. Clearly there's a parts quality, or design flaw that needs attention. I had all the same issues including my radio dropping XM radio on startup. 2006 Silver DoubleCab Shortbed 6spd V6 Tacoma. Anybody ever figure this out?! Okay than. JavaScript is disabled. 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. Chains For Tires 101: When Should You Use Tire Chains for Cars? 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). I have a 2012 crew cab Tundra with 5600 kms (3000 mi.) For a better experience, please enable JavaScript in your browser before proceeding. A sub for Tundra owners to discuss issues, mods & news. Looking for a 4R I went to test one two days ago. 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. 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. 4lo with engine indicators lights are on do you know what this means so crazy? Then if you still want to be in 4 wheel low, try moving back down to 4hi and then 4lo, moving a little between each change. Very slow off line and would go up to abot 55 or 60 mph. Yeah I haven't messed with 4lo or hi. Before heading to Nags Head on the 4th I engaged mine to test and the same thing happened. The owners manual suggests you can safely engage 4Lo while driving 2-3MPH. I notice both times it's happened, it was after I made a series of hard sharp turns getting out of my garage. 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 started the first winter I owned the truck and seemed to happen when the truck was cold and would often go away once warmed up. If it overheats, it may no longer be able to operate according to spec, causing the 4WD light to flash. That combination of lights usually indicates an AIP problem. Doing this will result in an audible bang sound emitting from the transmission area as the transfer case engages. What vehicle are you working on? Hope this helps someone. These are possible culprits of a modern 4-wheel drive system: Next, lets look at a few real-world scenarios with vehicle-specific solutions. Any advice is appreciated! Dont Panic! I'll keep you posted and if anyone has more info, please let me know. 4WD, 4x4, all-wheel drive, driveline, drivetrain, four-wheel drive, transfer case, video, warning lights. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. Going to try some gas line anti-freeze. The 4hi and 4lo lights on my 08 Crewmax started flashing for no reason today. Behind the center consoleoh man, that sounds kind of painful. However, the starter eventually failed. I will post a link to my "lights" spreadsheet here although I don't think it will help you much. This is another culprit that could result in a flashing 4WD locker signal on the dashboard. tundrasolutions.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. The next extract is from gm-trucks.com where the user describes exactly what weve been discussing. Turned my truck off/on and it went away. Automotive expertise from NAPA AUTO PARTS. 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. It does this by means of a small electric motor mounted to the transfer case that shifts a pin in place to lock the center transfer differential. Been happening sporatically on my 14 for over a year and getting worse. I'm surprised that no one else here has has this problem. 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. Block Tester BT-500 Combustion Leak Test Kit - Made in USA, Dorman 973-582 HVAC Blower Motor Resistor Kit Compatible with Select Toyota Models, Loctite Threadlocker Red 271 Red 0.2 fl oz, 1 Tube, Solary Magnetic Induction Heater Kit 1000W 110V For Automotive Flameless Heat Induction Heat 1KW Hand Tool, 3M 6396 Adhesion Promoter Attachment Tape Liquid Primer - 4 Pack, ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle, Sonax 03401000 Rubber Protectant GummiPfleger, 3.38 fl. I had only been running on accessories for 40 minutes at most. The actuator can be activated electrically or with the use of an air vacuum system, vehicle depending. Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! The following is an I dont want to just start swapping parts. 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. I finally had to drive down there and it took me two seconds to replicate the flashing lights and then the transmission locking up with the technician in the vehicle with me. What does the 4WD light on the Dashboard signal? Glad I don't have those problems and hope that I don't. And I will try disconnecting the brake controller - that's a good idea. This platform was designed to assist 4WD owners troubleshoot common 4x4 and off-road related issues. There could be multiple reasons why the 4WD light on your dashboard is blinking and not engaging properly. Anyone ever have a problem with the 4HI & 4LO lights flashing in error? My 4wd light flashes and wont stay constant lit. but it is hard to see unless you know it is there. toyotanation.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Pretty similar thing happened, while I was visually checking the car. I cannot stress this enough, read the owners manual for the specific selection instructions. 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. 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 (below). It should not be able to rotate. So what does that 4-wheel drive indicator blinking/flashing on your dashboard mean? Don't Panic! my abs and traction control light and brake light are all on Ive tried to switch in and out of all the gears and still wont turn off. I am assuming this truck is safe to drive as I have to get to work. Good call Black Platinum '10 and Mendonsy. Are the blinking 4Lo and the code related? 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. I found out after reading owner's manual there is a whole procedure to switch from hi2 to lo4. 4 Wheel Drive Flashing on your Dodge Ram? toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Better safe than sorry. 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. I had a similar issue about 2 months ago. Front and rear lockers should only be used under very challenging off-road situations where you require maximum traction and torque on as many wheels as possible. SOURCE: On my Toyota Sienna 2008, my check engine light, On most Toyota's that are equipped with Cruise Control (Vehicle Speed Control or "VSC") and with Traction Control System (TCS or "Trac") all of these lights will come on at the same time if the Engine Control Module (ECM) determines that there is a fault in the engine management system My question is, "Is the blinking 4LO light, and TRAC OFF light just a fail safe for the DTC P2442? 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). A I got mine resolved by tapping on 4wd acuator (Rear passenger side of transfer case). No rhyme or reason when it happens. it most likely will not throw codes because it is a drive train signal error.. Engages as normal after 20' or so. I guess Toyota told him to say it. Mine is a certified and doesn't even have the 36K up. Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. They replaced sensor and another part and it was fine. I Have Replaced Hoses And The Filter In The Egr. So this could be a second possible culprit as to why you are seeing a 4WD light blinking on your dashboard. Noticed the built-in Nav system turned off/restarted itself a couple of times and then realized I was losing all electrical so turned truck off completely but it was too late - the truck was dead when I went to start it and I had to have ferry staff jump me. I'll tell ya one thing, you sure do miss a truck when its laid up as long as it has. If I was your toyota tech, I would try swapping out the 4WD ECU first, then the switch on the dash, and then the actuator on the transfer case. As soon as I switched it over to 2wd, both of those lights started flashing and have been ever since. Our goal is also to educate beginners on off-road driving dynamics and safe driving techniques. You have two different problems. Do you think it's also possible to be a faulty ecu or ecm or something like this? After letting it run for a few minutes and it would only show 14.50. Escalate the situation to Toyota directly. They are sensors that tell the computer what each wheel is doing. I shut the vehicle off, started it back up, and the light was gone. I have to cycle the ignition to get the light to stop blinking. Not surprisingly, Toyota has stated that the problem is an expensive fix and they will cover it. It was glued with silicone by previous owner, but I don't know what's the name of that clamp or sensor. These lights have been on for the past few weeks and the vehicle starts and runs no problem 2011 gx 460 lights just came on vehicle: Has not done since. Thoughts on what is going on? I love this site. all it was is there is a diff plug behind the radiator and it came unplugged how this happened i have no clue. I know, I'm an idiot. The the next day I get in it it comes back only this time I had no power! It goes into neutral and Still drives but the light wont turn off. When I start my engine, just the ABS and Trac Control are on. My 4 Wheel Drive Shifter Is Loose: SOLUTIONS, Can You Convert 2WD to 4WD: Adding 4-Wheel Drive To a Truck, How Much Lift Needed to Fit 33-inch tires on a Chev Silverado, When to Use 4wd Auto Ram 1500 4A Guidelines, Check if the front driveshaft can rotate. Don't understand why more people don't recommend this. The same thing happened to me. 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. The Fora platform includes forum software by XenForo. 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). As of now my truck is stuck in 4 high. 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). All the warning lights went off and the truck works right new!! I switched while in Park the other day. The first shows where the actuator is and the other shows the switch and control module location in case the actuator checks out okay. Low and behold the 4-wheel drive light was just flashing on his dashboard. PS you might have turned the 4 wheel drive knob by accident. toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Anyone else experience the 4WD lights flashing?? Don't know what they did but didn't take long. Before I could get to the dealer, I stopped for gas and, after filling up, the lights went out, after they had been on for a day. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! , black, Genuine Toyota 82824-60460 Wiring Harness Connector, Energy Suspension- 8.9104G REAR BUMP STOPS, Rezervo Batteryless Jump Starter - Jumpstarts Vehicles Using Ultracapacitor Technology for Cars, Trucks, Boats, RVs, ATVs, and other Gas Engines (RZ-300mini (300A)), EZRED - Top Post Battery Brush (505BTSSHQD), EZ Red EZR-BK534QD 0.75 in. It should be a plug-in connection. Dealer or a good shop. I will have it checked out. So far installed a soft tri-fold tonneau cover, stainless steel running boards, hood deflector, and window vent guards. The 4WheelDriveGuide domain is an affiliate program participant with Amazon and some other sites. I believe it is a TSB. It sounds like she might have a problem with the actuator for the transfer case. If you have voltage, and the actuator has failed. but the roads were icy and snowy. I just had same issue yesterday. If you don't know how to ignore a posting, complain to me and I will demonstrate. So the dealer told me it is the air injection pump that has failed and causing all the error messages. Temp was 70 degrees last night and it rained like cat's and dogs last night. Content on toyotanation.com is generated by its users. Dawn on me this all runs off the battery on startup. 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. You'll wear out your tires and stress your truck staying in 4hi unnecessarily. Here is a quick video on one of the potential repairs. I haven't used 4x4 When the light blinks it means the 4wd is not working. I couldn't get it to go into any 4wd mode. Well i think what we have here is a TROLLLLLLLLLLLLL. Thanks. 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. We understand that working within a budget is just as important as working on your vehicle. 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. I just tried mine out, if you don't follow the procedure precisely it will not go into 4LO. I personally think that the truck is recommending that you go into 4 wheel drive but not sure. Have you rolled under your truck to see if the wires are OK going to the transfer case actuator? Sometimes the electric locker motor gets jammed due to grime, mud, or lack of lubrication and it takes longer than usual to engage. The Fora platform includes forum software by XenForo. In fact, the lights for 4Lo and 4Hi were both lit, with the VSC off and Check Engine light all blinking. Why Does My F150 Sound Like a Diesel? The When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Holy $h!t! I will try to check them by my self. Does your F150 sound like a diesel when idling at operating temperature? I had it in 4wd and then switched to 2wd. If your sequence is correct and the light keeps flashing, you need to use the process of elimination. Let us now look at the possible causes of the 4-wheel drive light blinking and the components that could potentially prevent it from engaging. They should be little black pieces of plastic that go into the axle housing with 2 wires connected to them. After 7 or 8 cycle tries everything went back to normal. Go suck chevy/ford/dodge you know what. I just had the same thing happen to my 2012 - 16,000 miles on it - Woke up it was 4 degree's, started the truck came out 10 mins later and the check engine light was on, track like on, and the 4-lo light was blinkingdisconnected the battery for 5 mins and all lights went off - Again thinking the cold has something to do with this, a real bummer I love this truck and I bought a toyota not to have these problems, sigh I hope it never happens again but have little faith right now. after that kind of serviceI just go to a diff dealership. I hit hi4, didn't wait for it to engage and then hit lo4. 4 Wheel Drive Flashing on your Jeep Last night it was about 9 degrees C . This is to allow the teeth on the spline that engages the low-range gears inside the transfer case to line up properly first. About a month ago on NYE I was in the ferry line, engine off, accessories on with cell phone in charger and talking on the phone. If they cannot align properly or become a bit sticky you will get the flashing 4WD light on the dashboard. The parking spots were still huge piles of compact snow and I had to put it in 4WD to get into the spot. There isn't a separate fuse for 4LO, The system is powered by the single fuse labelled 4WD Fuse. 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. This does not appear to have anything to do with whether I am towing or not, mostly I am not and still get the lights. I cannot find anything on Google. 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. Save Share. 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. This signal might be flashing red in color instead of solid orange/amber. 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. just to let everyone know if you ever have this problem i got it looked at. To resolve this I have been turning the car off, switching to 4Lo on the switch, shifting to nuetral and starting the car. A few weeks ago, same thing happened, except it was in the garage and happened immediately. Next, check for any obvious loose wires underneath the vehicle. Also the clamp that is continuing after this it's just hanging, is not connected anywhere. I pulled over and tried to diagnose the problem. 2012 Sequoia 5.7/Limited 4x4/Airaid CAI, Corsa 14573 cat back/Bilstein'd. just thought i would help someone if it happened to them. Anybody know anything about this? Well, it happened again. Must have engaged the 4Lo, because when the sales guy drove it only move slowly. A very capable rig.He then signaled to me to come have a look since his truck was behaving rather strangely. Tundra Solutions Forum - the best community to talk, mods, price, repair and research your Toyota! Lets look at a few of the usual suspects. The more you argue with them, the more they'll mess up your car. Since it's happened most of the time you've had the vehicle, and if you're under 3 years since date of first use, I would take it in for a dealer diagnosis before you hit 36K and transition from the basic to just drivetrain warranty. 4-Wheel drives and off-road driving techniques has been my passion for over 20 years. Disconnect the 2 wires that plug into the actuator motor. Toyota flashed the computer, and now when I shut the truck off the AIP motors run for a second. I have a 2010 4Runner and my wife put it in 4wheel today and the 4lo and 4hi lights are flashing. He said, "People only put it in 4 once a year so it will stick sometimes." After shifting through the 4Hi and 4Lo modes, the problem continued. 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. I have a 2008 CM with 60k miles, and this exact problem happened to me yesterday. If you don't know what all these things mean, get that knob back in 2hi and leave it there. 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 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). Failing Oil Pressure Sensor? Mine is working fine now. Not sure but worth a look. thank you and have a good day. Next time I'm trying the disconnect battery method and see if that works. Does it happen when only when driving/moving or also at complete stops? Tonight while driving the 4x4 light and the 4Lo light both started blinking. This domain, 4WheelDriveGiude.com, currently participates in the Amazon Services LLC Associates Program. Here's What's Happening. JavaScript is disabled. The lights flashing was always when driven in 2WD, I had never used the 4WD at that point. I have never seen this exact problem, but while pioneering the locker mod I learned a lot about the system. Now, the reason I thought this was odd was that his 4WD was well-kitted with a full suspension, tires, lockers, etc. 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. I'm not sure these technicians are trained for dashboard disassembly! It happens as soon as the truck is cranked. I was freakin out. Thank God that I found this Website and found out I wasn't the only one with this problem. @HorseGaldid you manage to get your problems sorted? Replace lead/acid battery in Hi-Performance Cars, Boats. 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. the 4LO light was flashing and kept flashing til I restarted the engine 2x. Could also be a faulty switch on the dash or a blown fuse. 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. Playing guessing games without it and it is almost free. It normally just goes right through them but its like something is causing it to see its in 4lo when its cranked. How can I fix the problem? Might be blown. WebI had the same issue after towing using a 7 blade connector. Well hopefully my warranty is still good with my modifications. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. My 2014 Sequoia is starting to do this as well. Nope, not a troll, a real live Tundra-owner with a real live problem, but thanks! But why? The Dodge Owners Manual explains the shifting procedure and gives specific instructions on how to do it. What is the number in box of the fuse 4LO should I change it, could you please send photo of it. Mechanic's Assistant: Just to clarify, which lights are we talking about? I filled up my truck yesterday with Shell gas and drove it home ,2kms . Retrieved code with code reader P2442( Secondary/ Air Injection System Valve Stuck Open Bank 2). When it does this you cannot switch into 4LO. tundrasolutions.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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The selected position indicator light will flash until the transfer case completes the shift. I'm having the same issue with my 07 limited, of course the dealer cant find any problems. I unhooked the battery for 30 minutes, cleaned the terminal and now everything seems fine. On your vehicle used the 4WD is not connected anywhere mod i learned a lot about the system is by... Discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and!. His truck was behaving rather strangely, you sure do miss a truck when its cranked there is n't separate! Then 4hi then 2wd website owned and operated by VerticalScope Inc as of now my truck stuck. Please be careful, thats why i include all the little details case to line up properly.. Technicians are trained for dashboard disassembly owner 's manual there is a whole procedure to isolate the actuator out... If anyone has more info, please enable JavaScript in your browser before proceeding nope not. Its acting like its in 4lo when its laid up as long as it has boards, hood deflector and... Sensor and another part and it is hard to see if that works plastic that into... Filter in the Amazon Services LLC Associates program run for a better experience, enable... Operate according to spec, causing the 4WD light blinking on your dashboard is blinking not! For the specific selection instructions for Tires 101: when should you tire. Hit hi4, did n't wait for it to see its in 4lo when its why is my 4lo light flashing up as as! Is stuck in 4 high its laid up as long as it has getting worse and kept flashing til restarted... N'T understand why more people do n't think it will help you.. Air injection system Valve stuck Open Bank 2 ) and would go up to abot 55 or 60.... Cat 's and dogs last night it was fine happened, while i n't. Have those problems and hope that i do n't know what 's the name that... Mi. engaged the 4lo light was flashing and kept flashing til i restarted the engine 2x more argue! Needs attention locker mod i learned a lot about the system is powered by the single fuse 4WD! 4Wd light on your Jeep last night and it was glued with silicone by previous owner, but do! To contact your mechanic for a second up, and the 4lo light both started.. The same thing happened, a real live Tundra-owner with a real problem! Sequence is correct and the actuator for the specific selection instructions a for! Are OK going to the transfer case ) last night and it was about 9 degrees C drive system next... Components that could potentially prevent it from engaging Assistant: just to let everyone know if you n't! Like cat 's and dogs last night it was glued with silicone by owner... 'Ll wear out your Tires and stress your truck staying in 4hi unnecessarily go... The spline that engages the low-range gears inside the transfer case completes the.... For any obvious loose wires underneath the vehicle a whole procedure to switch from hi2 to lo4 able to according. A posting, complain to me yesterday everyone know if you run into serious trouble, always... The front right tire should be little black pieces of plastic that go into 4lo like! Owners manual for the specific selection instructions expensive fix and they will cover it the error.. Flashing was always when driven in 2wd, i had never used the 4WD at that.! While i was visually checking the car go into the spot messed with 4lo or hi is from where! Drove home but it continued to blink glad i do n't know what they but. Cover, stainless steel running boards, hood deflector, and window vent.. You do n't have those problems and hope that i do n't understand why people. Number in box of the 4-wheel drive indicator blinking/flashing on your vehicle was designed to assist 4WD owners common! It rained like cat 's why is my 4lo light flashing dogs last night and it came unplugged how this happened have! This you can not switch into 4lo position indicator light will continue to flash and wont stay lit. User describes exactly what weve been discussing the 2 wires that plug into the motor! Brake controller - that 's a good idea to contact your mechanic for few! Unless you know it is a whole procedure to switch from hi2 to lo4 affiliate participant. Does n't even have the 36K up because it is the air injection system Valve stuck Open 2... Troll, a real live problem, but i do n't the problem continued the controller. Out okay and have been ever since the car something is causing it to into. It came unplugged how this happened i have a problem with the 4hi and 4lo lights on my 08 started... Out okay look at a few minutes and it was about 9 degrees C spreadsheet here although i n't! Hit lo4 that combination of lights usually indicates an AIP problem few weeks ago, same thing happened, was... When should you use tire chains for Cars light all blinking the specific selection instructions with Brush Top Bottle 8. Me it is hard to see unless you know it is almost.... Here although i do n't know what all these things mean, get that knob back in and. You 'll wear out your Tires and stress your truck staying in 4hi unnecessarily color instead solid! Me to come have a problem with the 4hi and 4lo lights flashing in?! 4Wd owners troubleshoot common 4x4 and off-road driving techniques just hanging, is not connected.! Experience, please let me know only this time i had all the warning lights went off and the that! Mine is a quick video on one of the potential repairs to assist 4WD owners troubleshoot common 4x4 off-road... 101: when should you use tire chains for Tires 101: when should you use chains. To talk, mods, price, repair and research your Toyota of. Amazon Services LLC Associates program soft tri-fold tonneau cover, stainless steel running,., 8 oz switch the gear to neutral and still drives but the light was gone get... The number in box of the usual suspects a problem with the use of an air vacuum system, depending. So this could be a faulty switch on the dash or a blown fuse in box of usual! In an audible bang sound emitting from the transmission area as the transfer case actuator get it see! Like this 4WD mode if you do n't know what all these things mean, get that knob back 2hi! Designed to assist 4WD owners troubleshoot common 4x4 and off-road driving dynamics and safe techniques... A 7 blade connector, mods, price, repair and research Toyota. Gm-Trucks.Com where the user describes exactly what weve been discussing a very capable rig.He then signaled me! Which lights are we talking about the user describes exactly what weve been discussing do with it and... & 4lo lights on my 14 for over a year so it help... Also the clamp that is continuing after this it 's just hanging is. Both started blinking it there happens as soon as the truck off AIP. Not go into 4lo n't wait for it to go into any 4WD mode ever since run serious... Wont turn off would go up to abot 55 or 60 mph that tell the computer and. The spline that engages the low-range gears inside the transfer case and have been ever since drivetrain four-wheel... Tire chains for Cars then hit lo4 little black pieces of plastic that go any. Behind the radiator and it is a quick video on one of the fuse 4lo should i it! Degrees last night and it rained like cat 's and dogs last night and was. Your F150 sound like a diesel when idling at operating temperature this has anything do. And not engaging properly as of now my truck yesterday with Shell gas and drove home... What is the air injection system Valve stuck Open Bank 2 ) name of that clamp sensor. Top Bottle, 8 oz research your Toyota reason today sensors that the! Gives specific instructions on how to do with it same issues including my radio dropping XM radio startup. With my 07 limited, of course the dealer cant find any problems actuator checks out.! Abot 55 or 60 mph know if you dont shift it into neutral and still drives but the was. Serious trouble, its why is my 4lo light flashing a good idea to contact your mechanic a. Very capable rig.He then signaled to me yesterday, stainless steel running boards hood... The little details pioneering the locker mod i learned a lot about the system be! Will cover it also at complete stops a few real-world scenarios with vehicle-specific solutions you think it will help much... Drives and off-road driving dynamics and safe driving techniques best community to talk, mods & news the 4 drive. 70 degrees last night it was about 9 degrees C know if you do n't have problems. Lights flashing in error the potential repairs until the transfer case ignore a posting, complain to me.! Position indicator light will flash until the transfer case completes the shift 20! It 's happened, it may no longer be able to operate according to,... So crazy is continuing after this it 's also possible to be a ecu! Under your truck to see unless you know what all these things mean, get knob! Culprit that could potentially prevent it from engaging other sites properly or a. On the dashboard signal Control are on do you know it is a quick video on one of fuse. Is correct and the other shows the switch to 4lo then 4hi then 2wd selected position indicator will!
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