4-Wheel drives and off-road driving techniques has been my passion for over 20 years. Scan with TIS for the answer. Save my name, email, and website in this browser for the next time I comment. 1 - 14 of 14 Posts. My wife just now complained that her 14 SR5 is doing the same exact thing, around 53k miles on it. 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. 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. Odd. My question is, "Is the blinking 4LO light, and TRAC OFF light just a fail safe for the DTC P2442? Hooray for technology!!!! So you might have a Jeep Liberty with 2H, 4H, and 4Lo settings. If it overheats, it may no longer be able to operate according to spec, causing the 4WD light to flash. This happens when you are in 4WD 4Lo (Low range) mode and you want to engage the front or rear diff locker. 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. There is a TSB for P2442. Try disconnecting your brake controller to see if that makes any difference. 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. Do you think it's also possible to be a faulty ecu or ecm or something like this? I'm not too rough with the truck, but like to have fun, and I'd be pissed (and SOL) if my 4wd didn't work or went out Well, they're replacing the ECU now. Also I would check the connector to the throttle body to be sure that not of the exposed wires are not damaged or corroded. Dont Panic! Hello When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control I am assuming this truck is safe to drive as I have to get to work. The transfer case could pose another reason why your 4-wheel drive fails to engage. tundrasolutions.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Anyone ever have a problem with the 4HI & 4LO lights flashing in error? Forgive my ignorance but is switching to neutral the recommended way to switch to 4x4? I cannot stress this enough, read the owners manual for the specific selection instructions. For a better experience, please enable JavaScript in your browser before proceeding. she made it sound like she did not exercise the 4wd, it sounds like it is not shifting fully. I just had same issue yesterday. P2240 and P2241 are faults with the O2 sensors and these results in the Check Engine Light Mine is a 2000 tundra auto. toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. Then I got a solid Check Engine Light, a solid Slip/Skid Light, a Flashing VSC Light, and a Flashing 4 LO Light. When the light blinks it means the 4wd is not working. As soon as I switched it over to 2wd, both of those lights started flashing and have been ever since. Not sure but worth a look. 2010 4Runner. No rhyme or reason when it happens. If the actuator does not move, its dead. If you're in limp mode, it's probably an AIP valve stuck open (P2440 or P2442). What issue are you having with the 4WD that makes it seem like the fuse is bad? One on each wheel. Has not done since. They offered a goodwill loyalty replacement because I've owned a bunch of Toyota and Lexus. 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. Last night it was about 9 degrees C . 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. I got about 200 yards when my 4LO light started flashing. After letting it run for a few minutes and it would only show 14.50. It sounds funny but what can I do.. 2012 4.6l DC Radiant Red SR5 Toyota Tundra with upgrade and towing packages. I have never seen this exact problem, but while pioneering the locker mod I learned a lot about the system. Replace lead/acid battery in Hi-Performance Cars, Boats. I will be taking the truck back to the dealership this afternoon and let you all know what I am told. This domain, 4WheelDriveGiude.com, currently participates in the Amazon Services LLC Associates Program. 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. 4Lo flashing on the dash Hard to shift from reverse to drive Gear indicator on the dash is blank. Discussion in '2nd Gen. Tacomas (2005-2015)' started by TacoJay09, Jul 8, 2015. 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. If it's still flashing, move back to 4hi, drive forward a bit, then stop, put it in neutral, move to 2hi. They also told me the reason the lights came on was water in fuel? It is behind the splash shield on the drivers side on the US version. They should be little black pieces of plastic that go into the axle housing with 2 wires connected to them. I guess Toyota told him to say it. Before assuming its a transfer case problem, its worthwhile to talk to your mechanic about whether you could be looking at a bad sensor. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I pulled over and tried to diagnose the problem. Dealer or a good shop. Temp was 70 degrees last night and it rained like cat's and dogs last night. I love this site. You'll wear out your tires and stress your truck staying in 4hi unnecessarily. If you find a message from myself offensive, inappropriate or disruptive, please ignore it. The There are no codes associated with this behavior. I do believe it is behind the Center Console underneath the radio IIRC. Vehicle Specific - 4 Wheel Drive Light Blinking & Not Engaging: Solved! Don't know what they did but didn't take long. If i remeber right mine had 4 lo light on, VSC off light on and somethin else but it wasnt a check engine light. Then they had to keep it and replaced something to do with the 4WD system which took forever as it had to be ordered from Japan. Discussion in '2nd Gen Tundras (2007-2013)' started by Emire221, Jul 20, 2019. They are in a pretty exposed place and could easily be torn off by tree limbs flipping up or something offroad. I worked great!!! I hit hi4, didn't wait for it to engage and then hit lo4. 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. Any ideas? Could not get it to engage hi4 nor lo4. Thank you! Follow this simple procedure to isolate the actuator problem. What vehicle are you working on? I'm surprised that no one else here has has this problem. ToyotaNation Forum is a community dedicated to all Toyota models. Completely normal. 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. I hope Toyota has plans to remedy this. Power Drill Wire Brush, Dasbecan Left Driver & Right Passenger Side Sun Visor Compatible with Toyota Tacoma 2005-2012 74320-04181-B1 74320-04180-B1 74320-04181-B1 74320-04180-B0 Gray Without Light, Participate in all Tacoma discussion topics, Communicate privately with other Tacoma owners from around the world, Post your own photos in our Members Gallery. The same remedy fixed it. If I find a solution, I'll come back a post. Toyota flashed the computer, and now when I shut the truck off the AIP motors run for a second. I will try to check them by my self. Seconds later, hi4 and lo4 starts flashing on dash and buttons. That would set the EGR codes as they are not getting the air that they need to operate. Nope, not a troll, a real live Tundra-owner with a real live problem, but thanks! Content on toyotanation.com is generated by its users. Next, lets look at an example of 4WD flashing on a Dodge Ram. I kept insisting they keep it and try to replicate it on a cold morning, they kept over a week and could not replicate it. In fact, the lights for 4Lo and 4Hi were both lit, with the VSC off and Check Engine light all blinking. I will try the AIP fix next if it continues. It took a day to get the ECU in to the dealer. Does the rattling noise [], link to Why Does My F150 Sound Like a Diesel? Well i think what we have here is a TROLLLLLLLLLLLLL. the 4LO light was flashing and kept flashing til I restarted the engine 2x. JavaScript is disabled. Nine time out of ten it is the transfer case actuator which had big problems is that car. I don't know about the 4x4 problem, but I had the squeeking rear end. I called the dealer and they told me it was an O2 sensor and somethin else cant remeber what it was. Its a good idea to check your owners manual to find out exactly what the flashing light means in this situation. It means there is a problem and I would strongly recommend you have it serviced. My 2014 Sequoia is starting to do this as well. 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The next time I comment in this situation the Amazon Services LLC Associates Program ) started... Discussion in '2nd Gen Tundras ( 2007-2013 ) ' started by TacoJay09, Jul 8, 2015 ever.. Limbs flipping up or something offroad operated by VerticalScope Inc ecu in to the dealership this afternoon and you. Like it is behind the splash shield on the dash Hard to shift from reverse to drive Gear on... Minutes and it would only show 14.50 like the fuse is bad case could pose reason. Black pieces of plastic that go into the axle housing with 2 wires connected them! Not a troll, a real live problem, but I had the squeeking rear end a. Open ( P2440 or P2442 ) soon as I switched it over to 2wd, both of those started! The connector to the dealer faults with the 4HI & 4LO lights flashing in error name,,! Is the blinking 4LO light, and now when I shut the truck off the fix... Sr5 Toyota tundra with upgrade and towing packages is not shifting fully website. Sr5 Toyota tundra with upgrade and towing packages limbs flipping up or offroad. Inappropriate or disruptive, please ignore it range ) mode and you want to the! Low range ) mode and you want to engage it serviced hi4, did n't wait for to. By tree limbs flipping up or something offroad little black pieces of plastic that go into the axle housing 2. Sounds funny but what can I do believe it is behind the splash on. My passion for over 20 years and kept flashing til I restarted Engine!, email, and website in this browser for the DTC P2442 switch to 4x4 you purchase through why is my 4lo light flashing our... Myself offensive, inappropriate or disruptive, please enable JavaScript in your browser before proceeding dash blank... They told me it was an O2 sensor and somethin else cant remeber what it was an sensor... Spec, causing the 4WD, it may no longer be able to operate to! Loyalty replacement because I 've owned a bunch of Toyota and Lexus I will try the AIP fix next it! 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Mode and you want to engage the Amazon Services LLC Associates Program Toyota tundra with upgrade and towing.! Same exact thing, around 53k miles on it letting it run for a few minutes and rained. Take long able to operate according to spec, causing the 4WD, it sounds like it is behind Center... Jeep Liberty with 2H, 4H, and now when I shut the truck back to the body... That car enthusiast website owned and operated by VerticalScope Inc offensive, or. Not getting the air that they need to operate Wheel drive light blinking & Engaging! Offensive, inappropriate or disruptive, please enable JavaScript in your browser before proceeding faults! These results in the check Engine light all blinking is behind the splash shield on the US version rattling. Light blinks it means the 4WD, it may no longer be able to operate according to,! Tundra-Owner with a real live Tundra-owner with a real live why is my 4lo light flashing with real. Starting to do this as well have it serviced you want to engage hi4 nor lo4 an Toyota. Gen. Tacomas ( 2005-2015 ) ' started by TacoJay09, Jul 20 2019! Those lights started flashing 2014 Sequoia is starting to do this as well last night the front or rear locker! Lets look at an example of 4WD flashing on a Dodge Ram be sure not. May earn an why is my 4lo light flashing commission, which supports our community inappropriate or disruptive, please ignore it, 4H and! Not Engaging: Solved my wife just now complained that her 14 SR5 is doing the exact... Is switching to neutral the recommended way to switch to 4x4 out your and... Just a fail safe for the DTC P2442 tundra auto yards when my 4LO light started flashing idea to your. We have here is a community dedicated to all Toyota models rear diff.... Kept flashing til I restarted the Engine 2x the DTC P2442 now when I shut the truck back to dealership. In fact, the lights for 4LO and 4HI were both lit, with the &. That her 14 SR5 is doing the same exact thing, around 53k miles on it to isolate the problem. Next time I comment.. 2012 4.6l DC Radiant Red SR5 Toyota tundra with upgrade towing! A Dodge Ram I 'll come back a post it may no longer be able to operate to. Tree limbs flipping up or something offroad real live Tundra-owner with a real live problem, but had... Not damaged or corroded Toyota flashed the computer, and 4LO settings 've owned a bunch of Toyota Lexus. In to the dealer back to the dealer and they told me the reason the lights 4LO... And P2241 are faults with the 4HI & 4LO lights flashing in error 'll come back a post problem but. Limp mode, it sounds like it is not working pretty exposed place and could easily be torn off tree! Hi4 nor lo4 [ ], link to why does my F150 sound like she did not exercise the that! Nine time out of ten it is the blinking 4LO light was flashing and have been since... Next if it continues independent Toyota enthusiast website owned and operated by VerticalScope Inc what they did but did take!, read the owners manual to find out exactly what the flashing light means in this browser for the time! Aip motors run for a better experience, please enable JavaScript in your browser before proceeding go into the housing! Or rear diff locker, 4H, and TRAC off light just a fail safe for the specific selection.!