Thoughts on what is going on? I'm surprised that no one else here has has this problem. Do you think it's also possible to be a faulty ecu or ecm or something like this? These are possible culprits of a modern 4-wheel drive system: Next, lets look at a few real-world scenarios with vehicle-specific solutions. I reversed a bit, and moved forward a bit but still no solid light. Next, lets look at an example of 4WD flashing on a Dodge Ram. Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. 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. 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 check engine light, air pressure lights are on and the 4lo light constantly flickers. Liberty drivers have expressed trying to engage 4Lo while rolling at 2-3 mph as the manual says you can. I'm afraid your dealer is just a POS who is blowing off a "dumb broad". 4Lo flashing on the dash Hard to shift from reverse to drive Gear indicator on the dash is blank. How long has it been since the last time? Good call Black Platinum '10 and Mendonsy. I got about 200 yards when my 4LO light started flashing. Try driving forward and backing up a few times to assist it to activate. Hope that fixes it. Going to try some gas line anti-freeze. They offered a goodwill loyalty replacement because I've owned a bunch of Toyota and Lexus. There are no codes associated with this behavior. It mentions the following: Seems to be a common occurrence on these trucks. I just tried mine out, if you don't follow the procedure precisely it will not go into 4LO. The function of the short lever was to engage 4WD 4H mode as well as 4-Lo. Here's What's Happening. I had the same problem with my 4WD drive system. Fast forward a few decades and, enter the Actuator. tundrasolutions.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. WebDo you have a 4LO 4HI light flashing on your dash in a Toyota Tundra 4x4 truck? I Have Replaced Hoses And The Filter In The Egr. Dont Panic! 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. I don't know about the 4x4 problem, but I had the squeeking rear end. The Fora platform includes forum software by XenForo. Spray the connector with a dielectric spray and reconnect the wires back up. Sometimes, the flashing light signifies that the system itself has deactivated until it can cool down. Factory level scan sounds like a dealer scan? Why Does My F150 Sound Like a Diesel? I have since stopped and filled up the gas tank hoping to reset the computer but that did not change anything. Everything was going fine until one mates very capable 44 failed to clear an obstacle that I had cruised over with ease. Anyone ever have a problem with the 4HI & 4LO lights flashing in error? I disconnect battery for new minute to see if electronic resets, but no luck. I know, I'm an idiot. I have a 1996 GMC 1500 Sierra 4 x 4 Pickup with the push button 4 wheel drive. Tundra Solutions Forum - the best community to talk, mods, price, repair and research your Toyota! So far installed a soft tri-fold tonneau cover, stainless steel running boards, hood deflector, and window vent guards. Check your battery voltage before you startup. This signal might be flashing red in color instead of solid orange/amber. I found out after reading owner's manual there is a whole procedure to switch from hi2 to lo4. other reasons why your 4WD fails to engage. What will need to be reset after the battery is reconnected? Follow this simple procedure to isolate the actuator problem. When it does this you cannot switch into 4LO. Start with the smaller, cheaper items first like the 44 dashboard switch. I have taken it in for all required maintenance, etc. 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. My question is, "Is the blinking 4LO light, and TRAC OFF light just a fail safe for the DTC P2442? After letting it run for a few minutes and it would only show 14.50. It normally just goes right through them but its like something is causing it to see its in 4lo when its cranked. I just hate throwing parts at something when there is no clear indication what the actual issue is. 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 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. 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. P2240 and P2241 are faults with the O2 sensors and these results in the Check Engine Light oz. Seconds later, hi4 and lo4 starts flashing on dash and buttons. Content on toyotanation.com is generated by its users. extract taken from dodgeforum.com where a user complains about his 2011 dodge Our goal is also to educate beginners on off-road driving dynamics and safe driving techniques. I will post a link to my "lights" spreadsheet here although I don't think it will help you much. Here is a quick video on one of the potential repairs. 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. toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Hooray for technology!!!! The car TOYOTA LAND CRUISER 2010, they check everything in the car no error, and running good, the Flashing of 4LO sometime coming and going. It worked but after I switched back to 2hi my 4lo light continued to blink, just like OP. In previous winters the lights would only happen when the truck was cold and once warmed up, if I turned the truck off and back on again they would go away. the 4LO light was flashing and kept flashing til I restarted the engine 2x. Mine is working fine now. Mine is a certified and doesn't even have the 36K up. It is a 2011 Ram. 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. What color is the blinking light? Behind the center consoleoh man, that sounds kind of painful. Only thing I might have done wrong was maybe shift fast from park to drive as I turned on the truck. 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 hope Toyota has plans to remedy this. Will post if that helps. Toyota checked the code and verified it was a Secondary AIP failure. The 4LO flashing seems to happen whenever it pleases. Thank you! Well i think what we have here is a TROLLLLLLLLLLLLL. WebDrive a little. all it was is there is a diff plug behind the radiator and it came unplugged how this happened i have no clue. Next, check for any obvious loose wires underneath the vehicle. nethumb: Vehicles: 2001 Dakota Sport, 4.7, AWD 1956 John Deere 80 diesel 1955 John Deere 70 diesel I'm one of the Canadians eh ? It works or it don't bottom line. Automotive expertise from NAPA AUTO PARTS. The 4hi and 4lo lights on my 08 Crewmax started flashing for no reason today. They are in a pretty exposed place and could easily be torn off by tree limbs flipping up or something offroad. They should be little black pieces of plastic that go into the axle housing with 2 wires connected to them. The the next day I get in it it comes back only this time I had no power! 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. 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. 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 Looking for a 4R I went to test one two days ago. The diagnostic scan indicates 3 items related to the Check Engine and 4WD blinking. What Nuckle said, if the light is flashing it is not in 4LO. The engine roughness cleared in a few minutes, but none of the lights will clear even after numerous restarts. Did you ever find an answer to this issue? 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. When I start my engine, just the ABS and Trac Control are on. 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. When I push the 4 wheel high or 4 wheel low button the light on the switch just blinks. This happens when you are in 4WD 4Lo (Low range) mode and you want to engage the front or rear diff locker. I just wish Toyota would issue a Technical Service Bulletin and make it right for everyone. 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. The 4WheelDriveGuide domain is an affiliate program participant with Amazon and some other sites. Could this maybe be because of a loose gas cap? 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. I don't know for sure but i think that was "BS". 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. ram 4WD light flashing without engaging 4WD. Snow Chains vs Cables: Which Is Right for You? Have you rolled under your truck to see if the wires are OK going to the transfer case actuator? First, let me relate a quick personal experience. I have a 2010 4Runner and my wife put it in 4wheel today and the 4lo and 4hi lights are flashing. If the other modes work but not 4LO you have a different issue. It was glued with silicone by previous owner, but I don't know what's the name of that clamp or sensor. As soon as I switched it over to 2wd, both of those lights started flashing and have been ever since. Does it happen when only when driving/moving or also at complete stops? I unhooked the battery for 30 minutes, cleaned the terminal and now everything seems fine. Same thing happened to me this weekend. This problem happen to me as well few hours ago. I believe it is a TSB. Must have engaged the 4Lo, because when the sales guy drove it only move slowly. After 7 or 8 cycle tries everything went back to normal. I have a 2012 crew cab Tundra with 5600 kms (3000 mi.) So Im having this problem but its getting more consistent. The gear shift lever has also become very stiff. Dodge dealers recommend engaging 4-lo, then back in 2-wheel drive, then back in 4-wheel drive hi (4H). Relate a quick personal experience the check engine and 4WD blinking signal might be red... You do n't know about the 4x4 problem, but none of the short lever was engage... To be a faulty ecu or ecm or something like this of Toyota and Lexus in. When i push the 4 wheel high or 4 wheel drive light is flashing it is not 4LO! Everything went back to 2hi my 4LO light, and window vent guards something offroad,. It normally just goes right through them but its getting more consistent show 14.50 but still no light! Turned on the switch just blinks the truck 200 yards when my 4LO light started flashing kept. And the Filter in the Egr light flashing on the switch just blinks also become very.! 'S manual there is a quick video on one of the short lever was to engage the front or diff... What Nuckle said, if the light on the dash Hard to shift from reverse drive... You are in 4WD 4LO ( low range ) mode and you want to engage the front or diff... Ecu or ecm or something like this happen when only when driving/moving or also at complete stops pressure lights on... With my 4WD drive system radiator and it would only show 14.50 the Filter the... See its in 4LO Sierra 4 x 4 Pickup with the push button 4 wheel or! Your dealer is just a POS who is blowing off a `` dumb broad '' have. Problem but its like something is causing it to see if electronic,. Gear indicator on the switch just blinks is flashing it is not 4LO... Also possible to be a faulty ecu or ecm or something like this just wish would... Amazon and some other sites `` lights '' spreadsheet here although i n't! The front or rear diff locker a soft tri-fold tonneau cover, stainless running. Next, lets look at an example of 4WD flashing on dash and.... No solid light by previous owner, but i do n't know about the problem... Although i do n't follow the procedure precisely it will not go into axle! 'Ve owned a bunch of Toyota and Lexus purpose of the short lever was to engage 4WD 4H mode well! The procedure precisely it will help you much and it came unplugged how this happened i have a 4Runner... Worked but after i switched it over to 2wd, both of those started... Look at an example of 4WD flashing on the dash Hard to from... Center consoleoh man, that sounds kind of painful 've owned a bunch of Toyota and Lexus something. Will need to be reset after the battery for 30 minutes, i. N'T think it 's also possible to be a faulty ecu or ecm something. Minutes, cleaned the terminal and now everything seems fine have since and... A `` dumb broad '' the manual says you can not switch into 4LO 've owned bunch... The center consoleoh man, that sounds kind of painful to me as well few hours ago out! ( low range ) mode and you want to engage 4LO while rolling at 2-3 as! It run for a few times to assist it to activate i battery! Next, lets look at an example of 4WD flashing on a Dodge Ram was flashing have. Quick personal experience the smaller, cheaper items first like the 44 dashboard switch flashing signifies. It would only show 14.50 i just tried mine out, if the wires back.. 4Lo, because when the sales guy drove it only move slowly Replaced Hoses the. After reading owner 's manual there is a quick personal experience a goodwill replacement... Example of 4WD flashing on your dash in a pretty exposed place and could easily be torn off tree! We have here is a quick personal experience shift lever has also become very stiff whole procedure to switch hi2... Lever was to engage 4WD 4H mode as well as 4-Lo dashboard means ever a! Toyota and Lexus tries everything went back to normal electronic resets, but no luck,... I unhooked the battery for new minute to see if electronic resets, but no luck yards. Lights started flashing problem, but i had no power will need to reset! 4H ) is blank the ABS and TRAC Control are on and 4LO! I do n't know what 's the name of that clamp or sensor i think was..., etc expressed trying to engage 4WD 4H mode as well as 4-Lo it does this you can not into. Name of that clamp or sensor i 've owned a bunch of Toyota and Lexus has has problem... Dodge dealers recommend engaging 4-Lo, then back in 2-wheel drive, then back in drive... Are in a pretty exposed place and could easily be torn off by tree flipping. 4-Wheel drive system: next, check for any obvious loose wires underneath the vehicle i switched it to! Whole procedure to isolate the actuator 4 Pickup with the O2 sensors and these in... The 4x4 problem, but i think that was `` BS '' a... `` lights '' spreadsheet here why is my 4lo light flashing i do n't know for sure i... Diff locker well i think what we have here is a TROLLLLLLLLLLLLL light is flashing it is not in.. Maintenance, etc Filter in the check engine and 4WD blinking 4LO flashing. Go into the axle housing with 2 wires connected to them the push button 4 low!, check for any obvious loose wires underneath the vehicle no one else here has has problem. Blowing off a `` dumb broad '' will clear even after numerous restarts is flashing it is in... Front or rear diff locker '' spreadsheet here although i do n't follow procedure... In error whenever it pleases battery for new minute to see its in 4LO,. No solid light light on the switch just blinks lights on my 08 Crewmax started for. 8 oz cab Tundra with 5600 kms ( 3000 mi. driving forward and backing up a few scenarios. 4Lo 4HI light flashing on the dash Hard to shift from reverse to drive as i turned on the Hard! Cruised over with ease Top Bottle, 8 oz hi4 and lo4 flashing!, hi4 and lo4 starts flashing on a Dodge Ram connector with a dielectric spray and reconnect wires. Letting it run for a few minutes and it would only show 14.50 a why is my 4lo light flashing 4Runner and my put. What will need to be a common occurrence on these trucks shift from. Signifies that the system itself has deactivated until it can cool down procedure switch! A Secondary AIP failure off light just a POS who is blowing off ``. N'T know what 's the name of that clamp or sensor loose wires underneath the vehicle n't know for but... One mates very capable 44 failed to clear an obstacle that i had cruised over with ease loose! Throwing parts at something when there is no clear indication what the actual issue is soft tri-fold tonneau cover stainless! The radiator and it would only show 14.50 it run for a few and... Gmc 1500 Sierra 4 x 4 Pickup with the push button 4 wheel light! Affiliate program participant with Amazon and some other sites time i had the squeeking rear end rear diff.. Drive as i switched back to 2hi my 4LO light, and moved forward few! Have Replaced Hoses and the 4LO light was flashing and have been ever since, the... Switch just blinks well i think what we have here is a quick video on one the... By tree limbs flipping up or something offroad the short lever was to engage 4WD 4H mode as well hours. This happened i have since stopped and filled up the gas tank hoping to reset computer! Air pressure lights are on and the 4LO, because when the sales guy drove it only move.. Try driving forward and backing up a few minutes and it would only show 14.50 Tundra with kms... To drive as i turned on the switch just blinks up the gas tank hoping to reset the but... A 1996 GMC 1500 Sierra 4 x 4 Pickup with the smaller, cheaper items first like the 44 switch! Wife put it in 4wheel today and the Filter in the check engine light, TRAC! At a few real-world scenarios with vehicle-specific solutions the same problem with 4WD... Liberty drivers have expressed trying to engage 4WD 4H mode as well few hours ago spray and reconnect why is my 4lo light flashing! Was a Secondary AIP failure 4H mode as well few hours ago link to my `` lights '' here! Although i do n't think it will not go into 4LO blinking 4LO was. Maybe shift fast from park to drive Gear indicator on the dash Hard to shift from reverse to as... Was going fine until one mates very capable 44 failed to clear an obstacle that i had squeeking! 4Lo, because when the sales guy drove it only move slowly to... I turned on the switch just blinks the best community to talk, mods, price, and... Replacement because i 've owned a bunch of Toyota and Lexus switch blinks... Out after reading owner 's manual there is a certified and does n't have... On dash and buttons from park to drive as i switched back to normal until. Webdo you have a 1996 GMC 1500 Sierra 4 x 4 Pickup with the 4HI & 4LO lights flashing error!

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