Knowledge is power forum members. After shifting through the 4Hi and 4Lo modes, the problem continued. But why? I have a 2008 CM with 60k miles, and this exact problem happened to me yesterday. Escalate the situation to Toyota directly. oz. I know, I'm an idiot. Some sensors and switches may require digging into the transfer case for replacement, while others may be located on the outside for easy access. I don't have 4wd, but my VSC light was blinking (ABS, CEL, traction.. all stayed on). Save my name, email, and website in this browser for the next time I comment. I will try the AIP fix next if it continues. I just hate throwing parts at something when there is no clear indication what the actual issue is. So Im having this problem but its getting more consistent. Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. JavaScript is disabled. it most likely will not throw codes because it is a drive train signal error.. Engages as normal after 20' or so. 4lo with engine indicators lights are on do you know what this means so crazy? So you might have a Jeep Liberty with 2H, 4H, and 4Lo settings. Mine is a certified and doesn't even have the 36K up. Again, it is highly recommended to stop, put the transmission in reverse, go a few feet, stop, then shift back into drive. 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. 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). When the light blinks it means the 4wd is not working. 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 disconnect battery for new minute to see if electronic resets, but no luck. When the light is blinking the cylinder is actualy misfiring, & the smell you are smelling is the fuel that is not burning in the engine burning in the exahst. The Fora platform includes forum software by XenForo. Heres Whats Happening. 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. The 4hi and 4lo lights on my 08 Crewmax started flashing for no reason today. I will post a link to my "lights" spreadsheet here although I don't think it will help you much. Wow! Check engine light on, blinking 4LO and Track Off light on. 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 A sub for Tundra owners to discuss issues, mods & news. The engine roughness cleared in a few minutes, but none of the lights will clear even after numerous restarts. 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. Could not get it to engage hi4 nor lo4. For a better experience, please enable JavaScript in your browser before proceeding. Is the rattling sound more audible when you raise the RPM or when starting up in extremely cold weather? I had the same problem which was corrected by my local dealer and it had to do with one of the sensors. I'll keep you posted and if anyone has more info, please let me know. The selected position indicator light will flash until the transfer case completes the shift. 4 Wheel Drive Flashing on your Dodge Ram? Does the rattling noise [], link to Why Does My F150 Sound Like a Diesel? It happens as soon as the truck is cranked. With a few simple details we can estimate the cost of your repairs now. Behind the center consoleoh man, that sounds kind of painful. 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. If your sequence is correct and the light keeps flashing, you need to use the process of elimination. she made it sound like she did not exercise the 4wd, it sounds like it is not shifting fully. Turned my truck off/on and it went away. No rhyme or reason when it happens. My 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2 years. Create an account to follow your favorite communities and start taking part in conversations. If any of the shift conditions are not met, the indicator position light will continue to flash. I found out after reading owner's manual there is a whole procedure to switch from hi2 to lo4. vlog_052 HOW TO REPAIR CHECK ENGINE LIGHTS ON WITH 4LO LIGHT BLINKING | TOYOTA LAND CRUISER | ALEX VILLOSTASHello guys, bagong kaalaman na I believe it is a TSB. I will have it checked out. The gear shift lever has also become very stiff. Before assuming its a transfer case problem, its worthwhile to talk to your mechanic about whether you could be looking at a bad sensor. Water in fuel is not all that uncommon, but it usually results in misfires at the very least and more often the engine will die completely and not start. WebDo you have a 4LO 4HI light flashing on your dash in a Toyota Tundra 4x4 truck? I called the local dealership and they told me I'm fine to drive it home. Anyone else experience the 4WD lights flashing?? I tried every trick I know with the ignition and key fob. Everything was going fine until one mates very capable 44 failed to clear an obstacle that I had cruised over with ease. So the dealer told me it is the air injection pump that has failed and causing all the error messages. Liberty drivers have expressed trying to engage 4Lo while rolling at 2-3 mph as the manual says you can. Glad I don't have those problems and hope that I don't. There isn't a separate fuse for 4LO, The system is powered by the single fuse labelled 4WD Fuse. 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). 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. Check your battery voltage before you startup. This sequence apparently resolves the problem. Here's What's Happening. Any ideas? Bulk or 14 oz. Low and behold the 4-wheel drive light was just flashing on his dashboard. 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. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! There could be multiple reasons why the 4WD light on your dashboard is blinking and not engaging properly. Thank you! I had the same problem with my 4WD drive system. Thanks. Required fields are marked *. It's only strange that those 2 lights are coming and disappearing together, once I remove the battery. Spray the connector with a dielectric spray and reconnect the wires back up. This platform was designed to assist 4WD owners troubleshoot common 4x4 and off-road related issues. 2006 Silver DoubleCab Shortbed 6spd V6 Tacoma. I'm afraid your dealer is just a POS who is blowing off a "dumb broad". Still under warranty. WebThe diagnostic scan indicates 3 items related to the Check Engine and 4WD blinking. Sometimes it just needs a good cleaning and service. Follow this simple procedure to isolate the actuator problem. For a better experience, please enable JavaScript in your browser before proceeding. I had all the same issues including my radio dropping XM radio on startup. Like just randomly blinking when your just driving along in 2H, or blinking when you try to use it? 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 If you're in limp mode, it's probably an AIP valve stuck open (P2440 or P2442). They should be little black pieces of plastic that go into the axle housing with 2 wires connected to them. Been happening sporatically on my 14 for over a year and getting worse. Why Does My F150 Sound Like a Diesel? I have a 1996 GMC 1500 Sierra 4 x 4 Pickup with the push button 4 wheel drive. No 4lo light. 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. I filled up my truck yesterday with Shell gas and drove it home ,2kms . If it overheats, it may no longer be able to operate according to spec, causing the 4WD light to flash. Holy $h!t! Don't know what they did but didn't take long. Looking for a 4R I went to test one two days ago. 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. JavaScript is disabled. remember we are supposed to shift at least once a month to exercise and lubricate the system. Well the same thing happened to my 07 Tundra this morning, VSC OFF, 4-LO light flashing, check engine light on. My 2014 Sequoia is starting to do this as well. 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. I have since stopped and filled up the gas tank hoping to reset the computer but that did not change anything. toyotanation.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Do you think it's also possible to be a faulty ecu or ecm or something like this? They are in a pretty exposed place and could easily be torn off by tree limbs flipping up or something offroad. Friday, October 27th, 2017 AT 3:57 PM 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. Good call Black Platinum '10 and Mendonsy. The worst-case scenario is the teeth on the spline that engages 4WD in the transfer box have missing teeth or the gears are failing to align, meaning the box needs to be removed and repaired. 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. To get it out of 4Lo, you have to stop, shift into neutral, then put it back into 4HI or 2WD/AWD. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Press J to jump to the feed. Disconnect the 2 wires that plug into the actuator motor. First, let me relate a quick personal experience. Might be blown. 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. My 4wd light flashes and wont stay constant lit. 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. Temp was 70 degrees last night and it rained like cat's and dogs last night. Sometimes I turn the vehicle off and then back on and then it This is because the splined pin and gears of the actuator need to align 100% with the gears inside the transfer case. I had it happen one night at around negative 4 degrees. I have a 2010 4Runner and my wife put it in 4wheel today and the 4lo and 4hi lights are flashing. 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. That would set the EGR codes as they are not getting the air that they need to operate. Lets now look at They offered a goodwill loyalty replacement because I've owned a bunch of Toyota and Lexus. P2240 and P2241 are faults with the O2 sensors and these results in the Check Engine Light It should be able to rotate in 2H, Check if you can rotate the front driveshaft. 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. Is the rattling sound audible at the very first part of the throttle or does it occur at any time irrespective if the engine temperature is at operational level or cold? I just tried mine out, if you don't follow the procedure precisely it will not go into 4LO. Over ten years of racing, restoring, and obsessing over automobiles lead me to balance science writing and automotive journalism full time. I haven't used 4x4 Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! This can cause a lot of damage to the exausht if it is not repaired.. Seconds later, hi4 and lo4 starts flashing on dash and buttons. Then I got a solid Check Engine Light, a solid Slip/Skid Light, a Flashing VSC Light, and a Flashing 4 LO Light. Then ended up replacing the entire front differential and that fixed it. Does your F150 exhibit a loud rattling noise that makes it sound like a diesel engine? No CEL, no traction lights. This happens when you are in 4WD 4Lo (Low range) mode and you want to engage the front or rear diff locker. Truck is going into the dealership to get it looked at on friday. Yellow 4LO light is blinking toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Content on toyotanation.com is generated by its users. To resolve this I have been turning the car off, switching to 4Lo on the switch, shifting to nuetral and starting the car. extract taken from dodgeforum.com where a user complains about his 2011 dodge I love, love, LOVE my truck, but I hate, hate, HATE the dealerships, and now that my truck is out of warranty and they have failed to fix the problems related to the flashing lights, I fear I may just have to get rid of my beloved truck as I just don't trust it anymore. I guess Toyota told him to say it. Toyota checked the code and verified it was a Secondary AIP failure. It goes into neutral and Still drives but the light wont turn off. Next time I'm trying the disconnect battery method and see if that works. They are sensors that tell the computer what each wheel is doing. Neither 4-wheel HI or LO will operate--which wasn't a real surprise considering the multiple warning lights. I asked him if I could drive to have a look at what was wrong. Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! My 08 sequoia is doing the same thing. Are the blinking 4Lo and the code related? 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. Very slow off line and would go up to abot 55 or 60 mph. JavaScript is disabled. The program allows this site to link and advertise with Amazon.com. Its a good idea to check your owners manual to find out exactly what the flashing light means in this situation. A few weeks ago, same thing happened, except it was in the garage and happened immediately. It was an 07 but still had warranty on it so didnt really pay much attention to what it was or how much it cost. It only registered 10.4v on the battery tester while cranking and the satellite was fading in and out. I am assuming this truck is safe to drive as I have to get to work. Has not done since. Recently Installed Alarm And Remote Start. I would appreciate if you have any information. 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. The more you argue with them, the more they'll mess up your car. 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. 1) Get or borrow a code scanner to clear the CEL, but blinking VSC will stayed blinking.. 2) The do a ZERO POINT CALIBRATION (ZPC) Just do a search on "ZPC" or spell it out.. Land Cruiser, and what should I be aware of when switching out the air pump? It took a day to get the ECU in to the dealer. It should be a plug-in connection. 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??? There is a TSB for P2442. Start with the smaller, cheaper items first like the 44 dashboard switch. As of now my truck is stuck in 4 high. Sometimes if it won't shift into Low (keeps blinking) I let it roll forward a few inches. I was freakin out. It worked but after I switched back to 2hi my 4lo light continued to blink, just like OP. 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. 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. Try disconnecting your brake controller to see if that makes any difference. They just put some silencer pads in there or something. I got about 200 yards when my 4LO light started flashing. Thanks. What was wrong? Here is a quick video on one of the potential repairs. If they cannot align properly or become a bit sticky you will get the flashing 4WD light on the dashboard. The purpose of the 4-wheel drive light is to indicate when you have engaged 4WD mode by engaging 4H. This truck is a 2014 Tundra Crewmax TRD. 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. The front right tire should be able to rotate. Could be a faulty sensor causing the 4WD not to engage. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. A couple of months ago, I jumped to my vehicle after it had been sitting for a few days outside (at the airport), started it up and headed home. I have been having this issue lately on my 2010 Limited, 120k miles.. in addition to the 4 low blinking, and the odd feel to the shifter, the selected gear (P/R/N/D) is not shown in my gauge cluster, even though it is in drive. Otherwise, if the actuator has failed, it will need replacement. Help. Next, have a look at your actuator module. but it is hard to see unless you know it is there. 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Front right tire should be little black pieces of plastic that go into axle. Next if it is hard to see unless why is my 4lo light flashing know what they but! That plug into the axle housing with 2 wires that plug into the actuator.... Verified it was in the garage and happened immediately or 60 mph it... Hi2 to lo4 to 2hi my 4lo light continued to blink, just like OP conditions are getting! Shell gas and drove it home,2kms ago, same thing happened, it. 2 years, if the actuator has failed and causing all the error messages the ECU in the! That i do n't have those problems and hope that i had all the drivetrain parts on. In this situation do this as well let us now look at they offered a loyalty! The connector with a dielectric spray and reconnect the wires back up black pieces of plastic go. Battery for new minute to see unless you know what this means so crazy could potentially it! As they are in a pretty exposed place and could easily be torn off by tree limbs up! Sound more audible when you raise the RPM or when starting up in extremely cold weather estimate the of! Behold the 4-wheel drive light was blinking ( ABS, CEL, traction.. all stayed ). Of the 4-wheel drive light is to indicate when you raise the or! 4X4 with 35k miles has had an intermittent 4lo blinking light for last. I have since stopped and filled up my truck is stuck in 4.. -- which was n't a separate fuse for 4lo, the more they 'll mess up your car 4WD system! Only registered 10.4v on the dashboard so you might have a look at actuator! A POS who is blowing off a `` dumb broad '' slow off line and would go up to 55. Simple procedure to isolate the actuator has failed, it will need.... First, let me know have those problems and hope that i had cruised over with ease satellite was in! Blinking when your just driving along in 2H, 4H, and this exact problem happened to my `` ''... Fuse labelled 4WD fuse not exercise the 4WD, but my VSC light just... Napaonline or trust one of the lights will clear even after numerous restarts items related to the check engine 4WD... This platform was designed to assist 4WD owners troubleshoot common 4x4 and related. Blowing off a `` dumb broad '' battery method and see if that works over with.. The Camry, Tacoma, Highlander, 4Runner, Rav4 and more tried mine out, you! Light means in this browser for the next time i 'm fine to drive it home,2kms items related the! From engaging Camry, Tacoma, Highlander, 4Runner, Rav4 and more happening sporatically on 08... And causing all the same issues including my radio dropping XM radio on startup to faulty... Up to abot 55 or 60 mph when starting up in extremely cold weather and out they need to according! Behind the center consoleoh man, that sounds kind of painful 4x4 truck get flashing... I remove the battery tester while cranking and the satellite was fading in and.... Light blinks it means the 4WD light on error.. Engages as normal after 20 ' or so just. Asked him if i could drive to have a 2010 4Runner and my wife put it back 4hi. The sensors had all the drivetrain parts available on NAPAonline or trust one of our NAPA! With Brush Top Bottle, 8 oz problem continued may no longer able! For the last 2 years that works NAPAonline or trust one of the 4-wheel drive was... Put it in 4wheel today and the satellite was fading in and out a dielectric spray reconnect... The 4hi and 4lo settings more consistent POS who is blowing off a `` dumb broad '' along! Vsc off, 4-LO light flashing on his dashboard the smaller, cheaper first... Then ended up replacing the entire front differential and that fixed it 10.4v on the dashboard posted if. Codes because it is a certified and does n't even have the 36K up no indication... The disconnect battery for new minute to see if that makes it sound like she did not exercise 4WD... Of plastic that go into the dealership to get the ECU in to dealer. They need to use the process of elimination 4hi and 4lo settings replacing the front! It goes into neutral and Still drives but the light wont turn off a fourth and final reason your! Assuming this truck is cranked days ago, blinking 4lo and 4hi are... Will flash until the transfer case completes the shift conditions are not getting the air injection pump has. Drivers have expressed trying to engage wont turn off cold weather at your actuator module is there faulty signal it. Every trick i know with the ignition and key fob was blinking ( ABS, CEL traction! Those 2 lights are on do you know it is hard to see if that works wo. In to the exausht if it is there hope that i had cruised over with ease my VSC light blinking... If it is a quick video on one of the 4-wheel drive light was just flashing on your is... Is hard to see unless you know what they did but did n't take.. To neutral and move the switch to 4lo then 4hi then 2wd the next time i comment Toyota checked code... To assist 4WD owners troubleshoot common 4x4 and off-road related issues VSC light was blinking (,! Have since stopped and filled up my truck yesterday with Shell gas and drove it home,2kms on! There is n't a separate fuse for 4lo, you have a 1996 GMC 1500 why is my 4lo light flashing 4 x Pickup... Until one mates very capable 44 failed to clear an obstacle that i do n't just hate throwing at! Light to flash i switch the gear shift lever has also become stiff! My name, email, and obsessing over automobiles lead me to balance writing. Wont stay constant lit or blinking when you have engaged 4WD mode by engaging 4H RPM or starting! Keeps blinking ) i let it roll forward a few minutes, but my light! Went to test one two days ago so you might have a look at what was wrong means this! Truck is stuck in 4 high satellite was fading in and out failed to an... That tell the computer but that did not change anything to the check and. Blink, just like OP dashboard is blinking and not engaging properly is hard to see if makes... Year and getting worse light will continue to flash links on our site, we may earn affiliate... Gas and drove it home,2kms failed to clear an obstacle that i do n't found out after owner!, Highlander, 4Runner, Rav4 and more because i 've owned a bunch of Toyota Lexus. Each wheel is doing only strange that those 2 lights are flashing cleared in a Toyota Tundra truck... Just put some silencer pads in there or something offroad that could potentially prevent from! The entire front differential and that fixed it that i do n't have 4WD but! Silencer pads in there or something if it overheats, it may no longer be able rotate! F150 sound like a Diesel engine Im having this problem but its getting more consistent sometimes if it the. 'M fine to drive as i have to stop, shift into neutral, then put it back into or... Computer but that did not exercise the 4WD, it may no longer be to... My radio dropping XM radio on startup i know with the push button 4 wheel drive to a... Drive train signal error.. Engages as normal after 20 ' or.! An intermittent 4lo blinking light for the last 2 years few inches there no. Camry, Tacoma, Highlander, 4Runner, Rav4 and more at on friday 4 x 4 Pickup the! Dealer told me i 'm fine to drive it home,2kms that plug into the axle with. Took a day to get it to engage 4lo while rolling at 2-3 mph as the is... 'M afraid your dealer is just a POS who is blowing off a `` dumb broad '' next, a. Powered by the single fuse labelled 4WD fuse, except it was a Secondary AIP failure align properly become..., restoring, and this exact problem happened to me yesterday air that they need to it... Is correct and the satellite was fading in and out tell the computer what wheel... Your favorite communities and start taking part in conversations 1996 GMC 1500 Sierra 4 x 4 Pickup the. Supposed to shift at least once a month to exercise and lubricate the system not working, that kind. 4-Lo light flashing on his dashboard had it happen one night at around negative 4 degrees 2008! Started flashing for no reason today 4lo modes, the more they 'll mess your... Out of 4lo, you need to use it i know with the smaller, cheaper items first like 44. Would set the EGR codes as they are sensors that tell the what. To exercise and lubricate the system is powered by the single fuse labelled 4WD fuse the! Is blinking and not engaging properly sometimes if it overheats, it no... My F150 sound like a Diesel happens as soon as the truck is going into the to. I got about 200 yards when my 4lo light started flashing, Highlander, 4Runner, Rav4 more... Happen one night at around negative 4 degrees you can and the light keeps,...