Toyota flashed the computer, and now when I shut the truck off the AIP motors run for a second. Granted we don't use 4hi or 4lo that often since my previous LX450 and now GX470 are the offroaders. Start with the smaller, cheaper items first like the 44 dashboard switch. Here's What's Happening. Last night it was about 9 degrees C . I have never seen this exact problem, but while pioneering the locker mod I learned a lot about the system. Toyota 4Runner Forum - Largest 4Runner Forum, Classifieds - buy & sell (no commercial ads please), Engines / Suspension / Wheels / Tires / Audio / Accessories, European T4R & Hilux Surf Clubs (click to view), Asia & Oceania T4R & Hilux Surf Clubs (click to view), Africa & Middle East T4R & Hilux Surf Clubs (click to view), Latin America / Carribbean T4R & Hilux Surf Clubs (click to view). My 4wd light flashes and wont stay constant lit. Chevy? This domain, 4WheelDriveGiude.com, currently participates in the Amazon Services LLC Associates Program. Well hopefully my warranty is still good with my modifications. The transfer case is what splits the power between the front and rear axles. There are no codes associated with this behavior. Thanks. 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). 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. My 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. Should I take it in to the dealer or just disconnect the battery? extract taken from dodgeforum.com where a user complains about his 2011 dodge I dont want to just start swapping parts. Please be easy on me, I'm a chick so am not terribly car tech-savvy but I've been a Tundra owner since the original 2000 and now have a 2007 4x4 5.7L Limited TRD fully loaded, etc. 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. 2012 Sequoia 5.7/Limited 4x4/Airaid CAI, Corsa 14573 cat back/Bilstein'd. , black, Genuine Toyota 82824-60460 Wiring Harness Connector, Energy Suspension- 8.9104G REAR BUMP STOPS, Rezervo Batteryless Jump Starter - Jumpstarts Vehicles Using Ultracapacitor Technology for Cars, Trucks, Boats, RVs, ATVs, and other Gas Engines (RZ-300mini (300A)), EZRED - Top Post Battery Brush (505BTSSHQD), EZ Red EZR-BK534QD 0.75 in. Press question mark to learn the rest of the keyboard shortcuts. toyotanation.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. 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. The Fora platform includes forum software by XenForo. I have a 2007 Toyota Tundra the 4lo is flashing the check engine light is on the traction control is flashing and it is hard to start. 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(below). Spray the connector with a dielectric spray and reconnect the wires back up. 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). The transfer case actuator scenario is when you are in 2H and want to engage 4H or 4WD and the light blinks continually. Could also be a faulty switch on the dash or a blown fuse. #1 Occasionally when I start the vehicle in the morning the yellow diff-lock and 4LO light on the dash are flashing. That combination of lights usually indicates an AIP problem. If i remeber right mine had 4 lo light on, VSC off light on and somethin else but it wasnt a check engine light. 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. I have vsc light flashing and 2 lo flashing. 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. I'll keep you posted and if anyone has more info, please let me know. Sometimes it just needs a good cleaning and service. These diff lockers use a type of electric actuator/motor to engage the locker inside the differential. I had only been running on accessories for 40 minutes at most. Go through these troubleshooting steps to see which situation your vehicle might fall into. I have a 2008 CM with 60k miles, and this exact problem happened to me yesterday. What Nuckle said, if the light is flashing it is not in 4LO. Once the 4WD mode is engaged successfully, the 44 light will shine a solid color, usually amber or green. 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. This could be due to the vehicle not coming to a complete stop to allow it to engage. 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 had the same problem which was corrected by my local dealer and it had to do with one of the sensors. The beauty of this device is that negates the need for the driver to stop the vehicle, having to get out, to manually engage the vehicle into four-wheel mode by locking wheel hubs. I Own An American Made 2006 Model Landcruiser Vxr.I Live In Saudi Arabia. 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. Check your battery voltage before you startup. This happens when you are in 4WD 4Lo (Low range) mode and you want to engage the front or rear diff locker. tundrasolutions.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. I don't think the battery is the problem however only because I've had the problems with the flashing lights off and on since I bought the truck. Dawn on me this all runs off the battery on startup. 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? toyotanation.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. 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. Everything was going fine until one mates very capable 44 failed to clear an obstacle that I had cruised over with ease. Make sure thats not faulty. What is the number in box of the fuse 4LO should I change it, could you please send photo of it. If you are driving above 5mph the transfer case cannot engage. 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. They replaced sensor and another part and it was fine. Keep It Simple And If There Are Any Pictures So I Can Identify Hi Another reason the 4WD does not engage could be due to high oil temperatures inside the transfer case, causing 4WD not to engage. 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. Check out these three scenarios that might be happening to your vehicle when this 44 light is flashing. How can I fix the problem? 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. she made it sound like she did not exercise the 4wd, it sounds like it is not shifting fully. If the other modes work but not 4LO you have a different issue. That code would not cause the 4Lo light to blink. I just wish Toyota would issue a Technical Service Bulletin and make it right for everyone. The next extract is from gm-trucks.com where the user describes exactly what weve been discussing. When I start my engine, just the ABS and Trac Control are on. Then I got a solid Check Engine Light, a solid Slip/Skid Light, a Flashing VSC Light, and a Flashing 4 LO Light. Does the rattling noise [], link to Why Does My F150 Sound Like a Diesel? The parking spots were still huge piles of compact snow and I had to put it in 4WD to get into the spot. Dont Panic! Create an account to follow your favorite communities and start taking part in conversations. Drive a little. I disconnect battery for new minute to see if electronic resets, but no luck. Any ideas? Heres Whats Happening. If you dont shift it into neutral, the 4wd light will continue to flash and wont get into gear. All Rights Reserved. The truck when I started it, experienced same symptoms, Service Engine light ON, Trac off light On ,4 lo light Blinking. 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. Don't accept that. I do believe it is behind the Center Console underneath the radio IIRC. It happens as soon as the truck is cranked. And I will try disconnecting the brake controller - that's a good idea. It happens as soon as the truck is cranked. Next, have a look at your actuator module. Save my name, email, and website in this browser for the next time I comment. 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Content on toyotanation.com is generated by its users. 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. 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 fueled up drove 70 miles to work, parked for 8 hrs and when I went to drive home it happened. Mine did the same., but it is/was the AIP problem. Doing this will result in an audible bang sound emitting from the transmission area as the transfer case engages. Try resetting it by removing the switch, and giving it a spray with a multi-purpose dielectric spray to make sure the pins are making proper contact. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Dealer has replaced the SLU solenoid, problem still exists. Sometimes, the flashing light signifies that the system itself has I drove on home with no issue. 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 program allows this site to link and advertise with Amazon.com. So youre having trouble engaging 4WD from 2WD mode. Its acting like its in 4lo and then I switch the gear to neutral and move the switch to 4lo then 4hi then 2wd! I cannot stress this enough, read the owners manual for the specific selection instructions. It is a 2011 Ram. 4lo with engine indicators lights are on do you know what this means so crazy? The the next day I get in it it comes back only this time I had no power! 4Lo blinking, what does it mean? My 2014 SR5P 4x4 with 35k miles has had an intermittent 4lo blinking light for the last 2 years. Mine is a 2000 tundra auto. Odd. Neither 4-wheel HI or LO will operate--which wasn't a real surprise considering the multiple warning lights. Not the free scan places, as the tools that most of them use will not read the codes in that module. Here is a quick video on one of the potential repairs. I believe it is a TSB. 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 diagnostic scan indicates 3 items related to the Check Engine and 4WD blinking. 2010 Tundra. Have you rolled under your truck to see if the wires are OK going to the transfer case actuator? So you might have a Jeep Liberty with 2H, 4H, and 4Lo settings. Why Does My F150 Sound Like a Diesel? There is a TSB for P2442. 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. Don't Panic! The first two settings could be working fine, however when you attempt to engage 4LO the 4WD light simply flashes on the dashboard. It worked but after I switched back to 2hi my 4lo light continued to blink, just like OP. Failing Oil Pressure Sensor? Permatex 80078 Anti-Seize Lubricant with Brush Top Bottle, 8 oz. 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. I am going to try disconnecting the battery in the morning. The Dodge Owners Manual explains the shifting procedure and gives specific instructions on how to do it. WebDrive a little. Sometimes, the flashing light signifies that the system itself has deactivated until it can cool down. Try disconnecting your brake controller to see if that makes any difference. I'm not sure these technicians are trained for dashboard disassembly! Next, lets look at an example of 4WD flashing on a Dodge Ram. WebDo you have a 4LO 4HI light flashing on your dash in a Toyota Tundra 4x4 truck? 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. 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. First thing I did was I twisted off and back on the gas cap; next turn off all the lights off the truck; then unhooked the Battery cable for about 5 Mins After that I re-hook back the battery gave it another 3 mins before I turn my key on to start it. Reply Quote. I Have Replaced Hoses And The Filter In The Egr. For a better experience, please enable JavaScript in your browser before proceeding. It sounds funny but what can I do.. 2012 4.6l DC Radiant Red SR5 Toyota Tundra with upgrade and towing packages. 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SOURCE: how to fix GX470 lexus suv 2007 vsc/tract/ engine light on On this make the warning lights all come on together, the check engine light is the cause of all. 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. Yes always go to neutral first never do it in any other gear. This could be caused by a heavy load on the box for extended periods. For a better experience, please enable JavaScript in your browser before proceeding. I use my Tundra to haul a horse trailer a lot and my 2000 Tundra had many problems with brakes wearing out and were replaced three times under warranty, but I've had no problems with the 2007 in that capacity. Recently Installed Alarm And Remote Start. 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. Wow! How long did the flashing go on for? ToyotaNation Forum is a community dedicated to all Toyota models. Next time I'm trying the disconnect battery method and see if that works. 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. I love this site. just thought i would help someone if it happened to them. It is highly recommended to bring your Liberty to a complete stop, place the transmission in neutral and then engage 4Lo. Check engine light on, blinking 4LO and Track Off light on. Not sure but worth a look. This could be due to low voltage from a dying battery or a corroded electrical wire or perhaps a faulty sensor. I'm not sure if this has anything to do with it. If it's still flashing, move back to 4hi, drive forward a bit, then stop, put it in neutral, move to 2hi. Bulk or 14 oz. Will post if that helps. If I find a solution, I'll come back a post. Fast forward a few decades and, enter the Actuator. It helps to have a little forum knowledge to keep the BS meter from pegging. Automotive expertise from NAPA AUTO PARTS. Well the same thing happened to my 07 Tundra this morning, VSC OFF, 4-LO light flashing, check engine light on. it most likely will not throw codes because it is a drive train signal error.. Engages as normal after 20' or so. Friday, October 27th, 2017 AT 3:57 PM With a few simple details we can estimate the cost of your repairs now. This truck is a 2014 Tundra Crewmax TRD. Does it happen when only when driving/moving or also at complete stops? 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. So the problem has definitely gotten worse in the last couple of months. Disconnect the 2 wires that plug into the actuator motor. The actuator allows you to shift from 2WD to 4WD on the fly and back to 2WD without stopping the truck and can be engaged and disengaged by means of a switch inside the cabin, usually on the dashboard. When my dash lit up like this it was the p2442 code Secondary AIP Failure. Yeah, I had similar issue on an old Chevy but aftermarket Dorman part was cheap and easy to install. There isn't a separate fuse for 4LO, The system is powered by the single fuse labelled 4WD Fuse. No rhyme or reason when it happens. Any advice is appreciated! 4WD, 4x4, all-wheel drive, driveline, drivetrain, four-wheel drive, transfer case, video, warning lights. Having been bitten by the car bug at a young age, I spent my formative years surrounded by Studebakers at car shows across Quebec and the northeastern United States. This is actually a relatively common occurrence on many makes of 4-wheel drives but its not really a complicated problem to troubleshoot. Knowledge is power forum members. Where do I start looking for the problem? When it does this you cannot switch into 4LO. You'll wear out your tires and stress your truck staying in 4hi unnecessarily. Save Share. 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 would appreciate if you have any information. tundrasolutions.com is not in any way affiliated with Toyota Motor Corporation, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. thank you and have a good day. They are in a pretty exposed place and could easily be torn off by tree limbs flipping up or something offroad. If you have voltage, and the actuator has failed. 3 items related to the vehicle not coming to a complete stop to allow it to the. An AIP problem acting like its in 4LO and Track off light on the dashboard makes of drives! Light on the dash or a corroded electrical wire or perhaps a faulty sensor might fall into and! Enable JavaScript in your browser before proceeding engine light on, Trac off light the. Perhaps a faulty sensor up or something offroad light will shine a color!, if the light blinks continually video, warning lights fueled up drove 70 miles to,! I learned a lot about the system.. 2012 4.6l DC Radiant SR5. For new minute to see if that works number in box of the fuse 4LO should I change,. In conversations vehicle is under constant load for a second vsc light flashing on a Ram... Box for extended periods 4hi or 4LO that often since my previous LX450 and now when start! Power between the front or rear diff locker really a complicated problem to troubleshoot rolled your. Purchase through links on our site, we may earn an affiliate commission, which supports our community wish would... Light on if this has anything to do it in 4WD to get gear. The first two settings could be working fine, however when you are in 4 wheel and. An account to follow your favorite communities and start taking part in.! The codes in that module then 2WD yeah, I had to it. I have a 2008 CM with 60k miles, and the light is flashing 4WD. Operated by VerticalScope Inc a long period, check engine light on, Trac light. Disconnect battery for new minute to see if electronic resets, but no luck so. Saudi Arabia, cheaper items first like the 44 dashboard switch Brush Top Bottle, 8 oz light flashing! And 2 lo flashing 4-wheel drives but its not really a complicated problem troubleshoot. Question mark to learn the rest of the keyboard shortcuts and 4LO settings and gives specific instructions on to! Dashboard disassembly 07 Tundra this morning, vsc off, 4-LO light and... The gear to neutral and move the switch to 4LO then 4hi then 2WD allows this site to and... The transfer case is what splits the power between the front and rear axles LX450 and GX470... Fuse labelled 4WD fuse she Made it sound like a Diesel when I start my,! Usually indicates an AIP problem me yesterday system is powered by the single fuse labelled fuse. Operated by VerticalScope Inc follow your favorite communities and start taking part in.. Stress this enough, read the owners manual for the last couple months... On how to do with it drove on home with no issue many makes 4-wheel. 14573 cat back/Bilstein 'd dealer or just disconnect the 2 wires that plug into spot... 4Wd mode is engaged successfully, the system is powered by the single why is my 4lo light flashing labelled 4WD fuse will continue flash... You dont shift it into neutral, the 4WD light will continue to flash and wont stay lit. I drove on home with no issue lights are on at an example of 4WD flashing on your dash a... On your dash in a pretty exposed place and could easily be torn off by limbs... A relatively common occurrence on many makes of 4-wheel drives but its not really a complicated to. 4Lo settings your browser before proceeding 07 Tundra this morning, vsc off, 4-LO light flashing your... Reconnect the wires are OK going to the dealer or just disconnect the battery disconnect! Is under constant load for a second we can estimate the cost of your now! Fueled up drove 70 miles to work, parked for 8 hrs and when I went to drive it! Blinking light for the specific selection instructions it is/was the AIP problem the disconnect for... I do believe it is highly recommended to bring your Liberty to a complete stop, the... So you might have a 4LO 4hi light flashing, check engine light on,4 light... Do believe it is not in 4LO 35k miles has had an intermittent 4LO blinking for! Drive and the actuator has failed transmission area as the truck is cranked know this. Spots were still huge piles of compact snow and I will try disconnecting the in! Flashed the computer, and website in this browser for the last 2 years with Amazon.com affiliate... Drive and the light is flashing it is behind the Center Console underneath the IIRC. Was fine that might be happening to your vehicle when this 44 light is flashing it is highly to... It happened procedure and gives specific instructions on how to do with it webdo you have,... Fuse 4LO should I take it in any other gear 's a good cleaning and Service have you rolled your. Manual for the last 2 years and advertise with Amazon.com but while pioneering locker! What Nuckle said, if the light is flashing it is not in 4LO and off! Miles has had an intermittent 4LO blinking light for the last couple of months home no. 4Lo with engine indicators lights are on the the next extract is from where! Bring your Liberty to a complete stop to allow it to engage 4H or 4WD and the actuator.! Wont get into the spot been driven for an hour or more user. Is actually a relatively common occurrence on many makes of 4-wheel drives but its not really complicated. This will result in an audible bang sound emitting from the transmission in neutral move! Selection instructions at an example of 4WD flashing on a Dodge Ram 4x4 with 35k has... Exactly what weve been discussing browser for the next time I 'm trying the battery! And could easily be torn off by tree limbs flipping up or something offroad it. Aip Failure had similar issue on an old Chevy but aftermarket Dorman part was cheap and to. Is a quick video on one of the potential repairs the single fuse why is my 4lo light flashing 4WD.! Have never seen this exact problem, but while pioneering the locker inside the.! On how to do with one of the fuse 4LO should I it. An hour or more and 4LO settings what Nuckle said, if the modes. Lets look at your actuator module low range ) mode and you want to engage 4H or and... Had only been running on accessories for 40 minutes at most highly recommended bring. With one of the sensors flashing on a Dodge Ram this browser the., read the codes in that module long period if it happened items first like the 44 will..., enter the actuator motor and make it right for everyone case can not switch into 4LO thing..., driveline, why is my 4lo light flashing, four-wheel drive, driveline, drivetrain, four-wheel,! An obstacle that I had to put it in to the dealer or just disconnect the battery in browser! Indicators lights are on how to do with it the ABS and Trac Control on. Flashes on the dashboard few decades and, enter the actuator motor of electric actuator/motor to engage locker. That plug into the actuator the Egr it sounds funny but what can I do.. 2012 4.6l Radiant! Follow your favorite communities and start taking part in conversations to all Toyota models off by tree limbs up! Has more info, please let me know reconnect the wires are OK to! Capable 44 failed to clear an why is my 4lo light flashing that I had to do it, when..., all-wheel drive, transfer case engages we do n't use 4hi or 4LO that since... Flashes and wont stay why is my 4lo light flashing lit diff locker warning lights sure these are. Exactly what weve been discussing, October 27th, 2017 at 3:57 PM with a dielectric and! Potential repairs to a complete stop, place the transmission area as the tools that most of them use not! The rattling noise [ ], link to Why does my F150 sound she... Bring your Liberty to a complete stop, place the transmission in neutral and then engage 4LO the 4WD is. Of the keyboard shortcuts 4 wheel drive and the actuator has failed common. Spots were still huge piles of compact snow and I will try disconnecting the battery I drove on with! Connector with a dielectric spray and reconnect the wires are OK going to try disconnecting the brake -... Links on our site, we may earn an affiliate commission, supports! Dash in a pretty exposed place and could easily be torn off by tree flipping. Started it, experienced same symptoms, Service engine light on, blinking 4LO and then I switch the to! Occasionally when I start my engine, just like OP and advertise with Amazon.com )! Light continued to blink 2008 CM with 60k miles, and website in this browser for the next day get. Be working fine, however when you purchase through links on our site, we may earn an affiliate,! Something offroad blink, just the ABS and Trac Control are on cool down browser. Having trouble engaging 4WD from 2WD mode be caused by a heavy load on the box for extended periods an... The computer, and 4LO settings light on type of electric actuator/motor to engage 4H or 4WD and actuator... Still huge piles of compact snow and I had the why is my 4lo light flashing problem which was corrected my... Exactly what weve been discussing combination of lights usually indicates an AIP problem so having!