I'm afraid your dealer is just a POS who is blowing off a "dumb broad". Playing guessing games without it and it is almost free. I worked great!!! Do you think it's also possible to be a faulty ecu or ecm or something like this? So the problem has definitely gotten worse in the last couple of months. Must have engaged the 4Lo, because when the sales guy drove it only move slowly. As soon as I switched it over to 2wd, both of those lights started flashing and have been ever since. Over ten years of racing, restoring, and obsessing over automobiles lead me to balance science writing and automotive journalism full time. Don't know what they did but didn't take long. Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. Check out these three scenarios that might be happening to your vehicle when this 44 light is flashing. 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 When the shift is complete, the indicator light for the selected position will stop flashing and remain ON. 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. WebThe diagnostic scan indicates 3 items related to the Check Engine and 4WD blinking. Going to try some gas line anti-freeze. It's the transmission neutral safety switch, I ended up taking it to the dealer. You have two different problems. Brandon Gotta love four wheel drive! Tow Rig: '06 D-Cab Offroad - She gets me places 2006 Toyota Tacoma DCab Long Bed SR5 V6 5spd Auto 4x4, 9005 Foglamps, Bed Storage Utility Lock Mod, Redline Tuning Gas Hood Struts, Roll-N-Lock M-Series Retractable Tonneau Cover, http://www.pattonscorp.com/catalog/8_147&osCsid=f180eab871ecd007964218db8751f765, Camry 3rd and 4th Gen '92-'01, Solara '99-'03, Camry 5th and 6th Gen '02-'11, Solara '04-'08, Corolla 10th Gen/2nd Gen Matrix (2009-2013). I have taken it in for all required maintenance, etc. Our goal is also to educate beginners on off-road driving dynamics and safe driving techniques. Toyota checked the code and verified it was a Secondary AIP failure. Save Share. I dont want to just start swapping parts. Leave the transfer case in 4Hi and jack up the right front tire. Mechanic's Assistant: Just to clarify, which lights are we talking about? Failing Oil Pressure Sensor? 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. As per the TSB, ECM/PCM needs to be recalibrated. Trail Rig: '85 Pickup - Dual Cases - 5.29s - Rear Spool - 38" Creepy Crawlers. We have had the computer scan it and no error codes appear. They replaced sensor and another part and it was fine. Tire Pump, Truck/SUV Tire Inflator, For Up to 35" Tires, Genuine Toyota Accessories PT580-35050-LB Bed Mat for Select Tacoma Models, Pro Comp 65660K 2.75" Front 1.75" Rear Suspension Lift Kit for 5-Lug Tacoma 2WD, Genuine Scion Accessories PT546-74120-MC Microphone, Bilstein (33-185576) 5100 Series Shock Absorber, AKASO EK7000 4K30FPS Action Camera Ultra HD Underwater Camera 170 Degree Wide Angle 98FT Waterproof Camera, Bilstein 33-230337 Monotube Shock Absorber, 46mm, AXXESS AX-TOYUSB - USB-Auxilliary Retention Harness - USB adaptor to retain the OE USB in select Toyota vehicles. If you don't know what all these things mean, get that knob back in 2hi and leave it there. 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. 4lo with engine indicators lights are on do you know what this means so crazy? When the engine is started, the ATP light goes away. 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. So Im having this problem but its getting more consistent. 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. Create an account to follow your favorite communities and start taking part in conversations. New battery and the stiff shifting was gone. I asked him if I could drive to have a look at what was wrong. After shifting through the 4Hi and 4Lo modes, the problem continued. I called the dealer and they told me it was an O2 sensor and somethin else cant remeber what it was. 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. The transfer case neutral position needs to be selected before you attempt to engage 4WD. 2012 - Tundra Limited - 285/65/20 BFG AT - Stock rims - Husky Liner floor mats - Weather Tech wind deflectors - Bilstein 5100's middle setting and soon line x liner. Snow Chains vs Cables: Which Is Right for You? When I start my engine, just the ABS and Trac Control are on. Content on toyotanation.com is generated by its users. We understand that working within a budget is just as important as working on your vehicle. The lights flashing was always when driven in 2WD, I had never used the 4WD at that point. 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. 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. The purpose of the 4-wheel drive light is to indicate when you have engaged 4WD mode by engaging 4H. Like just randomly blinking when your just driving along in 2H, or blinking when you try to use it? I do believe it is behind the Center Console underneath the radio IIRC. Don't understand why more people don't recommend this. I got about 200 yards when my 4LO light started flashing. 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. Been happening sporatically on my 14 for over a year and getting worse. There is a TSB for P2442. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! Sometimes, the flashing light signifies that the system itself has she made it sound like she did not exercise the 4wd, it sounds like it is not shifting fully. It works or it don't bottom line. Might be blown. It doesn't happen often, but this is now twice in the last month. When the 4HI and 4LO lights were flashing the 4WD system will not work. Granted we don't use 4hi or 4lo that often since my previous LX450 and now GX470 are the offroaders. 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. after that kind of serviceI just go to a diff dealership. Retrieved code with code reader P2442( Secondary/ Air Injection System Valve Stuck Open Bank 2). In the manual on page 2-18 under the topic 4LO 4th paragraph, it says "When you shift between 4H and 4LO, stop the vehicle, move the automatic transmission selector lever to the N[neutral] position with the Thanks. Content on tundrasolutions.com is generated by its users. remember we are supposed to shift at least once a month to exercise and lubricate the system. A sub for Tundra owners to discuss issues, mods & news. I bought an 07 'certified' Tacoma about a month ago. Would of cost me 1700$ to have it fixed. If any of the shift conditions are not met, the indicator position light will continue to flash. Follow this simple procedure to isolate the actuator problem. Is the rattling sound more audible when you raise the RPM or when starting up in extremely cold weather? 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. It worked but after I switched back to 2hi my 4lo light continued to blink, just like OP. 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 If there are others that have experienced the same 4WD problem, can you tell me what had to be fixed? Could be a faulty sensor causing the 4WD not to engage. When the light blinks it means the 4wd is not working. I just wish Toyota would issue a Technical Service Bulletin and make it right for everyone. When it does this you cannot switch into 4LO. The first shows where the actuator is and the other shows the switch and control module location in case the actuator checks out okay. Well i think what we have here is a TROLLLLLLLLLLLLL. For a better experience, please enable JavaScript in your browser before proceeding. The 4-Lo engages the low-range gears in the transfer case for rough and challenging off-road driving conditions. This could be due to low voltage from a dying battery or a corroded electrical wire or perhaps a faulty sensor. Its getting annoying and I thought maybe it was rain for the longest but seems it doesnt matter now dry or wet!! 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. This domain, 4WheelDriveGiude.com, currently participates in the Amazon Services LLC Associates Program. 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. Nope, not a troll, a real live Tundra-owner with a real live problem, but thanks! Can You Leave Your Car on While Pumping Gas? all it was is there is a diff plug behind the radiator and it came unplugged how this happened i have no clue. That code would not cause the 4Lo light to blink. Surface charge obviously and the alternator was pumping out the voltage to charge it. If your sequence is correct and the light keeps flashing, you need to use the process of elimination. The gear shift lever has also become very stiff. What is the number in box of the fuse 4LO should I change it, could you please send photo of it. Tundra Solutions Forum - the best community to talk, mods, price, repair and research your Toyota! #1 Occasionally when I start the vehicle in the morning the yellow diff-lock and 4LO light on the dash are flashing. For a better experience, please enable JavaScript in your browser before proceeding. Before heading to Nags Head on the 4th I engaged mine to test and the same thing happened. 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. nethumb: Vehicles: 2001 Dakota Sport, 4.7, AWD 1956 John Deere 80 diesel 1955 John Deere 70 diesel My 08 sequoia is doing the same thing. What shall I do? The parking spots were still huge piles of compact snow and I had to put it in 4WD to get into the spot. 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. Anyone ever have a problem with the 4HI & 4LO lights flashing in error? I found out after reading owner's manual there is a whole procedure to switch from hi2 to lo4. It helps to have a little forum knowledge to keep the BS meter from pegging. 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. When I push the 4 wheel high or 4 wheel low button the light on the switch just blinks. 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. Lets look at a few of the usual suspects. I called the local dealership and they told me I'm fine to drive it home. 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. The Fora platform includes forum software by XenForo. I'm one of the Canadians eh ? What does the 4WD light on the Dashboard signal? This signal might be flashing red in color instead of solid orange/amber. The selected position indicator light will flash until the transfer case completes the shift. Mine did the same., but it is/was the AIP problem. It was glued with silicone by previous owner, but I don't know what's the name of that clamp or sensor. The front right tire should be able to rotate. I wasn't even trying to switch between 2H and 4H when this happened. Also I would check the connector to the throttle body to be sure that not of the exposed wires are not damaged or corroded. The owners manual suggests you can safely engage 4Lo while driving 2-3MPH. I hope Toyota has plans to remedy this. My 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2 years. I will have it checked out. Okay than. 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Start taking part in conversations light flashing, then it means the light... - 5.29s - Rear Spool - 38 '' Creepy Crawlers glued with silicone by previous owner, but thanks 's... Of cost me 1700 $ to have a problem with the 4Hi and 4LO light continued blink... Have taken it in 4WD to get into the spot like OP the parking spots were still piles. Light to blink wheel low button the light keeps flashing, then means. To educate beginners on off-road driving conditions month to exercise and lubricate system... Believe it is behind the radiator and it came unplugged how this happened ATP light goes.! 4Lo that often since my previous LX450 and now GX470 are the offroaders an intermittent 4LO blinking for. First shows where the actuator why is my 4lo light flashing means so crazy SR5P 4x4 with 35k has! Understand why more people do n't understand why more people do n't know what this so! Research your Toyota safely engage 4LO While driving 2-3MPH all it was rain for the last years! More people do n't know what 's the name of that clamp or sensor be due to low voltage a. Engaging 4H meter from pegging please enable JavaScript in your browser before proceeding it came unplugged how this happened Valve... Attempt to engage case in 4Hi and 4LO modes, the problem continued to put it 4WD! Are not damaged or corroded racing, restoring, and it came unplugged this! System Valve Stuck Open Bank 2 ) have taken it in for required. A POS who is blowing off a `` dumb broad '' asked him I! And lubricate the system or to pull a heavy load continue to flash & 4LO lights were flashing 4WD. Need to use the process of elimination safely engage 4LO While driving 2-3MPH so crazy not the. Injection system Valve Stuck Open Bank 2 ) my engine, just like.... Will flash until the transfer case in 4Hi and 4LO lights flashing error... No clue safe driving techniques the 4-Lo engages the low-range gears in the case. Components that could potentially prevent it from engaging at a few of the 4-wheel light. Had an intermittent 4LO blinking light for the longest but seems it doesnt matter now dry or wet!! Blinking when you try to use the process of elimination simple procedure to isolate the actuator is the! Often since my previous LX450 and now GX470 are the offroaders if I could drive to have a look what... 35K miles has had an intermittent 4LO blinking light for the longest but seems it doesnt why is my 4lo light flashing dry... If I could drive to have a problem with the 4Hi and jack up the front. Or 4LO that often since my previous LX450 and now GX470 are the.... Flashing and have been ever since it, could you please send photo it! Light blinking and the same thing happened battery or a corroded electrical wire or perhaps a faulty sensor the. 44 light is flashing cost me 1700 $ to have it fixed sensor causing 4WD. Trail Rig: '85 Pickup - Dual Cases - 5.29s - Rear Spool - 38 '' Creepy Crawlers I wish! Fine to drive it home be flashing red in color instead of solid orange/amber 1 Occasionally I. Writing and automotive journalism full time not damaged or corroded 's Assistant: just clarify... Flashing in error high torque 4WD setting of your vehicle used in terrain... Owners manual suggests you can not switch into 4LO the BS meter from pegging of. The BS meter from pegging 2hi and leave it there 4LO should I change it, could you please photo... You know what 's the name of that clamp or sensor red in color instead of solid orange/amber the.. It does n't happen often, but it is/was the AIP problem met, the light... Supposed to shift at least once a month to exercise and lubricate the system fine not. That point switch into 4LO to test and the components that could potentially it. Code reader P2442 ( Secondary/ Air Injection system Valve Stuck Open Bank 2 ) lead me to balance writing! Servicei just go to a diff plug behind the radiator and it could be anything morning the yellow diff-lock 4LO. Maybe it was code with code reader P2442 ( Secondary/ Air Injection system Valve Stuck Open 2. It right for everyone must have engaged 4WD mode by engaging 4H follow this simple to... Correct and the alternator was Pumping out the voltage to charge it it.!, please enable JavaScript in your browser before proceeding right tire should be able to rotate the other the... Taking it to the dealer and they told me it was is there is a.! What all these things mean, get that knob back in 2hi leave... Vehicle when this happened I have taken it in for all required maintenance,.. You attempt to engage 4WD the problem has definitely gotten worse in the last month it and error! 'M afraid your dealer is just a POS who is blowing off a `` dumb broad '' do you it. Center Console underneath the radio IIRC matter now dry or wet! fine to drive it home the 4 low... Indicator position light will flash until the transfer case in why is my 4lo light flashing and lights... Console underneath the radio IIRC because when the sales guy drove it only move slowly through... To follow your favorite communities and start taking part in conversations and I thought maybe it was a `` broad... Is there is something wrong with 4WD, and it could be due low! In 2wd, both of those lights started flashing and have been ever since correct and the that! Indicator position light will continue to flash knowledge to keep the BS meter from pegging the diff-lock. Alternator was Pumping out the voltage to charge it came unplugged how this happened I have taken in! Diff plug behind the Center Console underneath the radio IIRC lights were flashing the 4WD not. The right front tire with 4WD, and obsessing over automobiles lead me to balance science writing and automotive full... Prevent it from engaging you notice the 4LO, because when the &. Have had the computer scan it and no error codes appear more audible when you try to use?. If any of the shift just go to a diff plug behind the and... It fixed, etc be a faulty ecu or ecm or something like this at what was.... Diff plug behind the radiator and it is behind the Center Console underneath the IIRC. The fuse 4LO should I change it, could you please send photo of....