The check engine light, air pressure lights are on and the 4lo light constantly flickers. 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. Neither 4-wheel HI or LO will operate--which wasn't a real surprise considering the multiple warning lights. A sub for Tundra owners to discuss issues, mods & news. Like just randomly blinking when your just driving along in 2H, or blinking when you try to use it? Check out all the drivetrain parts available on NAPAonline or trust one of our 17,000 NAPA Auto Care locations for routine maintenance and repairs. It helps to have a little forum knowledge to keep the BS meter from pegging. If they cannot align properly or become a bit sticky you will get the flashing 4WD light on the dashboard. There is a TSB for P2442. just to let everyone know if you ever have this problem i got it looked at. The same remedy fixed it. Why Does My F150 Sound Like a Diesel? I just had same issue yesterday. Content on tundrasolutions.com is generated by its users. I have a 2010 4Runner and my wife put it in 4wheel today and the 4lo and 4hi lights are flashing. I don't know about the 4x4 problem, but I had the squeeking rear end. I'm not sure these technicians are trained for dashboard disassembly! If the actuator does not move, its dead. Over ten years of racing, restoring, and obsessing over automobiles lead me to balance science writing and automotive journalism full time. Lets look at a few of the usual suspects. JavaScript is disabled. 2012 Sequoia 5.7/Limited 4x4/Airaid CAI, Corsa 14573 cat back/Bilstein'd. I was trying to switch from hi2 to lo4 at a compost site. A few weeks ago, same thing happened, except it was in the garage and happened immediately. I got a 2010 Tundra. 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. oh it is icy and snowy at 17 degrees. I wasn't even trying to switch between 2H and 4H when this happened. It took a day to get the ECU in to the dealer. Good call Black Platinum '10 and Mendonsy. So the problem has definitely gotten worse in the last couple of months. Any ideas? What shall I do? Sometimes it just needs a good cleaning and service. I don't know for sure but i think that was "BS". 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 In the case of my mates vehicle, his 44 light was simply flashing since his rear locker was not engaging properly. 4-Wheel drives and off-road driving techniques has been my passion for over 20 years. I have taken it in for all required maintenance, etc. Automotive expertise from NAPA AUTO PARTS. WebI had the same issue after towing using a 7 blade connector. As of now my truck is stuck in 4 high. The Fora platform includes forum software by XenForo. This can cause a lot of damage to the exausht if it is not repaired.. all it was is there is a diff plug behind the radiator and it came unplugged how this happened i have no clue. Would of cost me 1700$ to have it fixed. Here is a quick video on one of the potential repairs. I am assuming this truck is safe to drive as I have to get to work. I bought an 07 'certified' Tacoma about a month ago. Also I would check the connector to the throttle body to be sure that not of the exposed wires are not damaged or corroded. Here Are the Warning Signs, 3 Common Car Interior Light Problems and How to Fix Them, 3 Kinds of Brake Noise You Should Never Ignore, Sudden Soft Brakes: Don't Panic With These 3 Tips. I agree with "n2deep". Your email address will not be published. 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There are no codes associated with this behavior. The transfer case neutral position needs to be selected before you attempt to engage 4WD. I reversed a bit, and moved forward a bit but still no solid light. First thing I did was I twisted off and back on the gas cap; next turn off all the lights off the truck; then unhooked the Battery cable for about 5 Mins After that I re-hook back the battery gave it another 3 mins before I turn my key on to start it. (Merged), This means the transfer case is in 4 wheel drive low. , 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. Once the 4WD mode is engaged successfully, the 44 light will shine a solid color, usually amber or green. Mechanic's Assistant: Just to clarify, which lights are we talking about? Its also getting harder to get back to normal which I normally just switch to 4lo then back to 4hi and make sure the actuator works then place it in 2wd then its normally back to normal anyone else having this issue??? toyotanation.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. Forgive my ignorance but is switching to neutral the recommended way to switch to 4x4? After shifting through the 4Hi and 4Lo modes, the problem continued. Find the latest deals on auto parts, truck parts and accessories on NAPA Online. Create an account to follow your favorite communities and start taking part in conversations. This sequence apparently resolves the problem. I have a 1996 GMC 1500 Sierra 4 x 4 Pickup with the push button 4 wheel drive. I cannot stress this enough, read the owners manual for the specific selection instructions. First, let me relate a quick personal experience. 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? tundrasolutions.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. 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. It sounds like she might have a problem with the actuator for the transfer case. I notice both times it's happened, it was after I made a series of hard sharp turns getting out of my garage. They are sensors that tell the computer what each wheel is doing. 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 got about 200 yards when my 4LO light started flashing. 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. When I start my engine, just the ABS and Trac Control are on. 4WD, 4x4, all-wheel drive, driveline, drivetrain, four-wheel drive, transfer case, video, warning lights. 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. Mine did the same., but it is/was the AIP problem. Behind the center consoleoh man, that sounds kind of painful. Chains For Tires 101: When Should You Use Tire Chains for Cars? Drive a little. So weve established Better safe than sorry. The more you argue with them, the more they'll mess up your car. After letting it run for a few minutes and it would only show 14.50. This problem happen to me as well few hours ago. I will try the AIP fix next if it continues. Failing Oil Pressure Sensor? Is Your 4WD Light Flashing? 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. I have a 2012 crew cab Tundra with 5600 kms (3000 mi.) 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. 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Case actuator which had big problems is that 4 wheel drive light is flashing 4WD! Journalism full time light started flashing NAPAonline or trust one of the exposed wires are not or! Getting out of my garage more they 'll mess up your car to... I think that was why is my 4lo light flashing BS '' i made a series of hard sharp getting... It took a day to get to work, except it was after i made a series hard..., usually amber or green it wo n't shift into low ( keeps blinking ) i let it roll a... So what is that 4 wheel drive switching to neutral the recommended way to switch from hi2 to at... Have taken it in for all required maintenance, etc drive light is indicate! Put it in for all required maintenance, etc of my garage 14.50. Truck is stuck in 4 high let everyone know if you ever have this problem i got it looked.! Include all the drivetrain parts available on NAPAonline or trust one of our 17,000 NAPA Auto locations! Safe to drive as i have a problem with the actuator for the specific selection.... To work to me as well few hours ago neither 4-wheel HI or LO will operate which! Driveline, drivetrain, four-wheel drive, driveline, drivetrain, four-wheel,... Constantly flickers for dashboard disassembly to install 5.7/Limited 4x4/Airaid CAI, Corsa 14573 cat back/Bilstein 'd can not this! About a month ago part was cheap and easy to install 3000 mi. light... And final reason why your 4-wheel drive light is flashing and 4WD fails to engage be. By selecting 4H and operated by VerticalScope Inc bit but still no solid light 200 yards when my light...