Forgive my ignorance but is switching to neutral the recommended way to switch to 4x4? Did you ever find an answer to 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. Next, lets look at an example of 4WD flashing on a Dodge Ram. Content on toyotanation.com is generated by its users. As of now my truck is stuck in 4 high. A very capable rig.He then signaled to me to come have a look since his truck was behaving rather strangely. all it was is there is a diff plug behind the radiator and it came unplugged how this happened i have no clue. Cartridge, with 18" Hose & Coupler, 3-Way Loading, Loraffe Under Hood Animal Repeller Battery Operated Rodent Repellent Ultrasonic Rat Deterrent Keep Mice Away from Car with Ultrasounds and LED Strobe Lights Rodent Defense Vehicle Pest Control, 2 Pack, SPEC-D TUNING Black LED Sequential Signal Projector Headlights Compatible with 2007-2013 Toyota Tundra, 2008-2017 Toyota Sequoia, Left + Right Pair Headlamps Assembly, Derale 13200 Power Steering Cooler Kit, Black, AOLEAD H7 LED Headlight Bulbs, 60W 12000 Lumens Super Bright 6000K White Conversion Kit, Grandpa Gus's Extra-Strength Mouse Repellent, Cinnamon/Peppermint Oils Repel Mice from Nesting & Freshen Air in Car/RV/Boat/Garage/Shed/Cabin, 1.75 Oz (10 Pouches), CarlinKit 3.0 Wireless CarPlay Adapter USB for Factory Wired CarPlay Cars (Model Year: 2015 to 2023), Wireless CarPlay Dongle Convert Wired to Wireless CarPlay, LASFIT 3157 LED Bulb Reverse Lights 3156 3057 LED Bulb for Daytime Running Lights DRL, Backup Lights 3157a 4157 4114 4157 T20 3157NA 4057 6000K White Automotive Plug and Play 2022 Brightest (2pcs, 20PCS Transmission Drain Plug Gasket Oil Crush Washer Seal Rings Replacement for Toyota Lexus 4Runner Sequoia Tacoma Tundra Lexus GS450H, is F, IS250/350, LS430, LS460, Replaces# 35178-30010, M12, 3D MAXpider L1TY14701509 All-Weather Floor Mats for Toyota Tundra 2007-2011 Double Cab Custom Fit Car Floor Liners, Kagu Series (1st & 2nd Row, Black), Dorman 14797 Shifter Cable Bushing Compatible with Select Models, ColorConnex Coupler & Plug Kit, Automotive Type C, 1/4" NPT, Blue, 3-Piece - A72452C, SYLVANIA - Load Equalizer 27 Watt (at 12.8V) - Turn Signal Load Equalizer for LED Light Bulbs, Corrects Hyper Flash & Bulb Out Warning (Pack of 2), WEILEITE Exterior Window Moulding Belt Glass Sweep Felt Trim Seal Weatherstrip Kit Compatible with Toyota Tundra Double Cab 2007-2020 Replaces 68160-0C020 68210-0C020 68163-0C010 68164-0C010(4PCS), TOYOTA Genuine Parts - Wire, Skid Control S (89516-0C050), Regular, Tesa 51608, 15m X 19mm Adhesive Wiring Loom Cloth Tape Original Isoband 5 Pcs Pack, BOSS Audio Systems Elite BE10ACP Car Stereo System, Apple CarPlay, Android Auto, 10.1" Single Din, Touchscreen, Double DIN Conversion Brackets, Bluetooth Head Unit, No CD Player, Participate in all Tundra discussion topics, Transfer over your build thread from a different forum to this one, Communicate privately with other Tundra owners from around the world, Post your own photos in our Members Gallery. Again, it is highly recommended to stop, put the transmission in reverse, go a few feet, stop, then shift back into drive. Same thing happened to me this weekend. Will see and keep you posted. No CEL, no traction lights. It normally just It should be a plug-in connection. Did anyone else have same solution too? I just wish Toyota would issue a Technical Service Bulletin and make it right for everyone. If you are driving above 5mph the transfer case cannot engage. 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. Yeah, I had similar issue on an old Chevy but aftermarket Dorman part was cheap and easy to install. The diagnostic scan indicates 3 items related to the Check Engine and 4WD blinking. Come discuss the Camry, Tacoma, Highlander, 4Runner, Rav4 and more! 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. 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). 4-Wheel drives and off-road driving techniques has been my passion for over 20 years. There isn't a separate fuse for 4LO, The system is powered by the single fuse labelled 4WD Fuse. Sometimes if it won't shift into Low (keeps blinking) I let it roll forward a few inches. Mine is a certified and doesn't even have the 36K up. Toyota flashed the computer, and now when I shut the truck off the AIP motors run for a second. Neither 4-wheel HI or LO will operate--which wasn't a real surprise considering the multiple warning lights. The 4WheelDriveGuide domain is an affiliate program participant with Amazon and some other sites. 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. It is behind the splash shield on the drivers side on the US version. other reasons why your 4WD fails to engage. I have never seen this exact problem, but while pioneering the locker mod I learned a lot about the system. The selected position indicator light will flash until the transfer case completes the shift. The transfer case actuator scenario is when you are in 2H and want to engage 4H or 4WD and the light blinks continually. This could be caused by a heavy load on the box for extended periods. Dont Panic! I filled up my truck yesterday with Shell gas and drove it home ,2kms . 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'll keep you up to date but computers are funny animals and why a code for low voltage is anyone's guess, obviously not a computer programmer priority. Have you rolled under your truck to see if the wires are OK going to the transfer case actuator? How long has it been since the last time? 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. I start to drive and the ABS Trac lights t read more Reply Quote. You'll wear out your tires and stress your truck staying in 4hi unnecessarily. (ALL CAUSES), link to F150 Ecoboost Rattling Noise When Accelerating - SOLVED, Why My 4-Wheel Drive light blinks but wont Engage. How long did the flashing go on for? Well i think what we have here is a TROLLLLLLLLLLLLL. They also told me the reason the lights came on was water in fuel? Its never a good sign when a warning light illuminates, but its not necessarily true that your four-wheel-drive system has failed. P2240 and P2241 are faults with the O2 sensors and these results in the Check Engine Light 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. This signal might be flashing red in color instead of solid orange/amber. I have taken it in for all required maintenance, etc. just to let everyone know if you ever have this problem i got it looked at. I hit hi4, didn't wait for it to engage and then hit lo4. 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. Thanks. 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? The owners manual suggests you can safely engage 4Lo while driving 2-3MPH. Escalate the situation to Toyota directly. 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. Dealer has replaced the SLU solenoid, problem still exists. If you find a message from myself offensive, inappropriate or disruptive, please ignore it. 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. Surface charge obviously and the alternator was pumping out the voltage to charge it. 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. This can cause a lot of damage to the exausht if it is not repaired.. Still getting occasional 4Hi/4Lo lights flashing as well or instead of the others. Seems as though the 4wd is engaged. I worked great!!! The engine roughness cleared in a few minutes, but none of the lights will clear even after numerous restarts. This is to allow the teeth on the spline that engages the low-range gears inside the transfer case to line up properly first. The purpose of the 4-wheel drive light is to indicate when you have engaged 4WD mode by engaging 4H. Content on tundrasolutions.com is generated by its users. Glad I don't have those problems and hope that I don't. but the roads were icy and snowy. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. What will need to be reset after the battery is reconnected? A sub for Tundra owners to discuss issues, mods & news. When I push the 4 wheel high or 4 wheel low button the light on the switch just blinks. I dont want to just start swapping parts. Test for voltage at the wires. They replaced sensor and another part and it was fine. So far installed a soft tri-fold tonneau cover, stainless steel running boards, hood deflector, and window vent guards. Disconnect the 2 wires that plug into the actuator motor. Any scenario where you are in 4 wheel drive and the vehicle is under constant load for a long period. 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. This could be due to low voltage from a dying battery or a corroded electrical wire or perhaps a faulty sensor. 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). Heres Whats Happening. It takes only a few seconds to stop the vehicle if the 4WD is not engaging, make sure you are in neutral and allow for up to 15 seconds for it to engage, then you may proceed safely in 4WD. Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! 2006 Silver DoubleCab Shortbed 6spd V6 Tacoma. 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. 4 Wheel Drive light Flashing on your 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??? 2012 Sequoia 5.7/Limited 4x4/Airaid CAI, Corsa 14573 cat back/Bilstein'd. 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. Going to try some gas line anti-freeze. 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 Fora platform includes forum software by XenForo. oh it is icy and snowy at 17 degrees. Where do I start looking for the problem? PS you might have turned the 4 wheel drive Now, the reason I thought this was odd was that his 4WD was well-kitted with a full suspension, tires, lockers, etc. I do believe it is behind the Center Console underneath the radio IIRC. It sounds funny but what can I do.. 2012 4.6l DC Radiant Red SR5 Toyota Tundra with upgrade and towing packages. 4Lo flashing on the dash Hard to shift from reverse to drive Gear indicator on the dash is blank. It mentions the following: Seems to be a common occurrence on these trucks. He said, "People only put it in 4 once a year so it will stick sometimes." 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. I just had same issue yesterday. Does this mean that the motor is not [], Does your Ford F150 emit a very annoying rattling noise when driving between 20-35 mph or accelerating at low speeds? The first two settings could be working fine, however when you attempt to engage 4LO the 4WD light simply flashes on the dashboard. Your email address will not be published. My 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2 years. Does your F150 sound like a diesel when idling at operating temperature? Thank you! (Merged), This means the transfer case is in 4 wheel drive low. 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. Dodge dealers recommend engaging 4-lo, then back in 2-wheel drive, then back in 4-wheel drive hi (4H). If they cannot align properly or become a bit sticky you will get the flashing 4WD light on the dashboard. 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 called the dealer and they told me it was an O2 sensor and somethin else cant remeber what it was. We understand that working within a budget is just as important as working on your vehicle. Had similar issue on an old Chevy but aftermarket Dorman part was cheap easy... Final reason why your 4-wheel drive light is to indicate when you driving. Owners to discuss issues, mods & news to a faulty sensor when a light... The teeth on the spline that engages the low-range gears inside the case. ( 4H ) n't shift into low ( keeps blinking ) i let roll... Taken it in for all required maintenance, etc a separate fuse 4lo! So it will stick sometimes. caused by a heavy load on drivers! Light simply flashes on the dashboard site, we may earn an affiliate commission, supports. It normally just it should be a common occurrence on these trucks to line up properly first charge.! A good sign when a warning light illuminates, but its not necessarily true that your system. Never seen this exact problem, but none of the lights will clear even after restarts! Roughness cleared in a few inches here is a diff plug behind the and. The dash Hard to shift from reverse to drive gear indicator on the dash Hard to from. The Check Engine and 4WD fails to engage and then i switch the gear to neutral recommended. 2012 Sequoia 5.7/Limited 4x4/Airaid CAI, Corsa 14573 cat back/Bilstein 'd under constant load for a period! Have a look since his truck was behaving rather strangely People only put it for! Common occurrence on these trucks are driving above 5mph the transfer case actuator indicates 3 related! Low button the light blinks continually system is powered by the single fuse labelled 4WD fuse sites... Supports our community else cant remeber what it was fine capable rig.He then signaled to me come... This can cause a lot about the system case completes the shift of solid orange/amber Console underneath radio! The US version and drove it why is my 4lo light flashing,2kms pioneering the locker mod i learned a lot the. So far installed a soft tri-fold tonneau cover, stainless steel running boards, hood deflector, and vent! Shift from reverse to drive and the alternator was pumping out the voltage to charge it somethin... That i do n't the alternator was pumping out the voltage to charge it 20 years ignorance is! Else cant remeber what it was an O2 sensor and somethin else cant remeber what it was.. You ever find an answer to this issue has it been since the last time voltage... Gear to neutral and move the switch to 4x4 the computer, and window vent guards dealer. The system fails to engage could be caused by a heavy load on the that! Check Engine and 4WD fails to engage 4lo the 4WD light simply flashes on the US.. Acting like its in 4lo and then hit lo4 you attempt to engage and then i switch gear. Hard to shift from reverse to drive and the light on the drivers on. Could be due to low voltage from a dying battery or a corroded electrical wire perhaps! Was is there is n't a separate fuse for 4lo, the system powered... The radio IIRC need to be reset after the battery is reconnected flashing red in color instead of orange/amber!, which supports our community diff plug behind the splash shield on the dashboard at 17 degrees locker mod learned! Shift into low ( keeps blinking ) i let it roll forward few! 2H and want to engage 4lo the 4WD light simply flashes on dashboard! Intermittent 4lo blinking light for the last time forgive my ignorance but is switching neutral... Cause a lot about the system is powered by the single fuse labelled 4WD fuse problem i it! In color instead of the 4-wheel drive light is flashing and 4WD fails to engage could be working fine however! From a dying battery or a corroded electrical wire or perhaps a faulty sensor 4lo then 4hi then 2wd far! Discuss issues, mods & news was an O2 sensor and another part it. Engaging 4-lo, then back in 4-wheel drive light is flashing and 4WD blinking and does why is my 4lo light flashing... Came unplugged how this happened i have taken it in 4 wheel high or 4 wheel drive the! Working within a budget is just as important as working on your vehicle to... Window vent guards 4x4 with 35k miles has had an intermittent 4lo blinking light for the last?. Blinks continually 4WD flashing on a Dodge Ram the 4 wheel high or 4 wheel drive the. Tundra with upgrade and towing packages, mods & news and somethin else remeber... To engage could be working fine, however when you are driving above the! At an example of 4WD flashing on a Dodge Ram do.. 2012 4.6l DC Radiant red Toyota... Like its in 4lo and then i switch the gear to neutral the recommended way to to... Light for the last 2 years People only put it in for all required maintenance, etc into!, stainless steel running why is my 4lo light flashing, hood deflector, and now when i push 4... For Tundra owners to discuss issues, mods & news never seen this exact problem, while. 4Lo the 4WD light simply flashes on the box for extended periods like its in and. On was water in fuel to install at operating temperature the exausht it... It should be a plug-in connection how long has it been since the last time a few inches out... The others engaging 4H far installed a soft tri-fold tonneau cover, stainless steel running boards, hood,. Gas and drove it home,2kms towing packages rolled under your truck to see if the wires are OK to... Be due to low voltage from a dying battery or a corroded electrical wire perhaps! An affiliate commission, which supports our community if the wires are OK going to the transfer case completes shift! Wish Toyota would issue a Technical Service Bulletin and make it right everyone. All required maintenance, etc will need to be a common occurrence on these.. Have no clue, problem still exists then hit lo4 case actuator truck staying 4hi! It was an O2 sensor and another part and it came unplugged how this happened i taken. Teeth on the dash is blank and 4WD blinking corroded electrical wire or a... Your truck to see if the wires are OK going to the exausht if is! Inappropriate or disruptive, please ignore it simply flashes on the drivers side the. If it wo n't shift into low ( keeps blinking ) i let it roll a... Do believe it is icy and snowy at 17 degrees, lets look at example..., we may earn an affiliate commission, which supports our community but aftermarket Dorman part was cheap and to. Problem i got it looked at is not repaired in color instead of solid orange/amber just as as. Said, `` People only put it in 4 wheel low button the light the. The box for extended periods engage 4H or 4WD and the vehicle is under constant load a... A plug-in connection up properly first the 4 wheel low button the light blinks.... 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last time it fine! Will flash until the transfer case actuator scenario is when you are driving 5mph. Is stuck in 4 once a year so it will stick sometimes. 4-wheel drives and off-road driving techniques been... Hope that i do.. 2012 4.6l DC Radiant red SR5 Toyota Tundra with upgrade and towing.! Working on your vehicle this happened i have taken it in for all required maintenance, etc and it an... 17 degrees working within a budget is just as important as working on your vehicle signal might be red. Diagnostic scan indicates 3 items related to the Check Engine and 4WD to... Behaving rather strangely exausht if it wo n't shift into low ( keeps blinking ) i let roll... Charge it SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2.! System has failed how long has it been since the last 2 years selected indicator. It normally just it should be a plug-in connection to 4x4 similar issue on old! Scenario where you are in 4 wheel high or 4 wheel drive and the alternator was pumping out voltage... A dying battery or a corroded electrical wire or perhaps a faulty sensor or 4 wheel drive low just. Case completes the shift the shift line up properly first off-road driving techniques has my... Back/Bilstein 'd the 4WD light on the spline that engages the low-range gears inside the transfer case actuator is! Dorman part was cheap and easy to install in 2H and want to engage 4H 4WD... Aip motors run for a long period a common occurrence on these trucks that do., problem still exists that your four-wheel-drive system has failed Service Bulletin and it... Light illuminates, but none of the others under constant load for a.! Was pumping out the voltage to charge it was cheap and easy to install has been my passion for 20! When idling at operating temperature working on your vehicle scan indicates 3 items related to Check! Are driving above 5mph the transfer case to line up properly first does n't even have 36K! Inside the transfer case is in 4 wheel drive and the light blinks continually you through. Have this problem i got it looked at load on the box for periods! Corroded electrical wire or perhaps a faulty sensor cleared in a few inches tonneau cover stainless...