Then I saw the sad news. Changed the break in oil at 500 miles, truck has just over 3,200 miles on it and today the Engine Light came on and is staying on. “In optical, it’s a transmission mask, so you expose light through it. When I left for the day it shifted fine but the light was still on so I stopped to have the code checked on my way home. The dream of being able to send an electric current through the air, from one location to another, is not new. About a week ago my Automatic Transmission Temperature Light / E-Brake Light / Battery Light came on while I was driving and later would fade. What is the intensity of the light when it. Several mechanics have not been able to diagnose the problem. As I understand it, if you've got a bad catalytic converter, it will burn up the O2 sensors. When you take your foot off the throttle and then you apply brakes it could be an oil pressure issue. ![CDATA[Porsche do retro well. then turn off. transmission warning light came on, less than a mile later the malfunction indicator light came on. My transmission malfunction light comes on for about 5 mins and then goes off. explained to service edge slipped into neutral, engine light came on along with wrench light. If any body knows what this means please get back to me A. Very inconsistantly. What occurs is that if the Air Con is on and I come to a stop (eg at a traffic light or stop sign, etc) the gear symbol comes up in the dash and transmission goes into limp home mode. I did not spray towards middle of engine. Temp light to come on. Ever seen that old Seinfeld episode where Jerry goes “beyond the slash” in his Saab 900? We were there. It’s all about a mostly unadulterated transmission of ideas from one person to many. If you hear a grinding noise when your vehicle shifts gears, it is time to bring it in for an inspection immediately. Transmission overheating light. "Service Transmission" magically came off, and I was now able to get the car to move? I turned the car off and waited a minute or so and then. it seems to be running fine, but the check engine light will come on sometimes but eventually goes off. This indicates that the "Daytime Running Lights" are off. My car will be driving normally, then sometimes when I start to speed up a little, the engine will rev high (between 4K and 5K RPM) and then jerk into gear. This transmission state is often called "limp mode" - a built-in protective behavior for some types of Allison transmissions when a serious problem is sensed. Once I shut the engine off and turn it back on, theyre gone. The severity of the problem is determined by the colour of the symbol. The light is off because the PCM moves the information about the fault to history, and continues checking the problem. I can even push the overdrive off button and have it turn the overdrive off and on. but when i put on jb4 piggyback and i accelerate hard then here comes limp mode and even the winsheild wipers come on! i thought the jb4 was the problem so i took it off and then took it to Dinan for stage three ECU flash. What might help you is how I arrived at that. i´ll appreciate any help and guidence. If you are towing a trailer or a heavy load and the light comes on, you may be overloading the engine. The check engine light was off. So as I continued to drive it, the light went off and would only come on every once in a while. Like all modern vehicles, the Corvette has its own unique issues that can cause the check engine light to come on, and they range in seriousness by quite a bit. Red indicates overheating and requires that you stop the vehicle to allow the transmission to cool down before continuing. 2 ,not to long ago. The engine check light SHOULD come on (briefly) when you turn on your car as a "lamp test" to show that the engine check light itself still works. A loose or damaged gas cap is the least expensive, yet very common, problem that can cause your service engine soon light to come on. We parked at a resort for a couple of months and started the motorhome to go into town to purchase propane. Sometimes the light would go off by itself and it would pass smog with no issues. After the second one, I had 3 of the 4 O2 sensors replaced and then shortly after, the 4th one went bad. Took it out of gear to neutral, the nuetral light comes on but the D light is still flashing. Where Does Color Come. I have very similar issue with a 2002 Mercury Sable wagon my transaxle light came on then I put 5 quarts of transmission fluid in it and the light went off and all the jerking stopped and then the light came on again and i put one quart in and it stopped now it's on again is it still a fluid issue do I just need to keep putting more fluid in there?. If the problem is a hard fault, the light will come right back on. Did it again later that day and same thing after about 5 seconds. The transmission temp light came on, my '07 Caliber starts to decrease speed, would not accelerate even with gas pedal on the floor. The repairs may not be as costly as you fear. For instance, if you notice that the light comes on when you start your vehicle, and then it turns off, you don't have to do anything. Two days later car died. Check engine light came on and a couple more lights came on for an instant. Lexus LC 500h vs. Step 1 - Determining you have a problem. I bought the input speed sensor; my son installed it, but it didn't fix it. If a check engine light is temporarily turned off and then comes back on as soon as the vehicle's computer sees a problem then obviously something is wrong. At one point when I was simply driving it down the highway, my transmission just went crazy, and back to normal. Those repairs may not be covered by your car's warranties. I have a 1993 Chevy APV van. If your car has a transmission electrical problem you can see P0700 or P0702 code. So I said I would bring it to them 2 days from then. I was in the turning lane to turn into a grocery store and when I accelerated to turn my Jeep accelerated then the check engine light came on the service transmission light, traction control light, service parking brake light,there were several lights that came on and my Jeep was still running but stopped accelerating as I was turning into the. light should turn off if no other potential emission control system malfunction exists. Now, the weird thing is, is that the transmission sometimes shifts hard into 2nd gear and when I floor it, the check engine light comes on and then the transmission finally kicks down. now the problem begins. Turned off the engine off, restarted and everything is back to normal. I shut the truck off then restarted it and it came out off it. i have a 2000 ram that has 170,000 kilos on it and has had the tranny rebuilt twice the last time about 20,000 kilos ago. He put in new ignition wires, rotor cap and said this should correct the problem. And then there are the light strips, easily the boldest design cue to come out of the Hyundai Group—and that’s saying something given this company also makes oddball Kona and the adventurous. We are always closed on Sundays. the cruise had come off as soon as the motor faulted. Low Coolant Light Comes On and Off - 4 Common Reasons. Shut car off. Ever seen that old Seinfeld episode where Jerry goes “beyond the slash” in his Saab 900? We were there. The light should come on for a moment then go out. Could this be the cause of my transmission OD problem?. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. A transmission warning light may serve a double duty. Oshkosh built its first 4x4 truck in 1917 and they still have it. i was on cruise and had been for about an hour. turned the car off and turned it back on, was. It was a hot day (90 degrees), a/c blowing, traveling about 80 mph. The light does not stay on long enough to get a code read. The check engine light was off. If it comes back again that mean the problem has not been fixed or there is another problem. If the computer doesn't find a problem, the ABS light will turn off quickly. It will downshift to lowest gear and stay there regardless of veh speed (has happened on the highway). more like the its paid for light. The tow/haul light is telling you the transmission control module (TCM) saw something it did not like. Check engine codes get thrown when the car’s computer detects certain conditions over a specific period of time, or a specific number of drive cycles. The light was off. then the motor seemed to stall and then pick up right away but wasnt at full power. Transmission overheating light. Checked gas cap and cap is on. 5 hours into a 3 hour drive home when the OD off light came on in the dash and about 15 minutes later while driving at a reduced speed the trans temp light came on so i pulled in and shut off the truck for ten minutes to let. i have a 2000 ram that has 170,000 kilos on it and has had the tranny rebuilt twice the last time about 20,000 kilos ago. After a while it wouldn't shift into 5th, even at hwy speed. I also noticed something new this weekend; you could feel (and hear) the transmission downshifting whenever I would coast to a stop light or a stop sign (sorta like if you were in drive and then you shift it into second gear or overdrive). No wonder some people end up covering the light up with a piece of tape. This is your engine oil pressure warning light. The check engine light can be a great early indicator that something is starting to go wrong with your transmission. Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. Lights normal. Our hours are Monday to Friday 10am to 5pm and 10am to 2pm Saturdays except for July, August and Holiday weekends when we are closed Saturday. The service engine soon light is often confused with the check engine light. Starting the car resets the light, shifting is smooth, and the same pattern occurs over again regardless of how long the car is off. The severity of the problem is determined by the colour of the symbol. Loose or Damaged Gas Cap - Average repair: $5. Check engine light turns on and off in your car. vehicle then lost 4wd capability. and then rattle off a few more. This is the. If you keep driving with the malfunc-tion indicator lamp/check engine light on, you can damage your ear's emission controls and engine. While driving it home from the auction (about 20 miles) the "Check Transmission" message (not a light, but message that displays in the computer readout area that also displays avg MPG's, miles to empty, trip miles, etc. When that didn't fix the problem I took it in and they said there were no codes and couldn't find anything wrong. Make sure to skim through all sections if you are looking for a particular problem. if the check engine light comes on you may have a. The codes and commands the computer is sending to the trans, like upshift, downshift, tcc lockup, line pressures, can all be seen with a good scan tool that has the transmission code read capability. The engine light came on and then the Service Transmission message came on. George McDonaugh is the CEO and Co-Founding father of KR1 plc , the London listed cryptocurrency and blockchain funding firm. Depending on the make and model of the car, a flashing check engine light usually means there is a more serious problem with the engine. Trac control & abs light Just got mine back out of the shop for this. You are here: Check Engine Light Home > Dodge Check Engine Light Questions & Answers Dodge Questions & Answers. havent even started to move in any gear. The severity of the problem is determined by the colour of the symbol. inspect your car if the indicator light comes on frequently, even though it goes off when you follow the above procedure. Originally posted by: bruceb GM trannys never set a Check Engine Light (at least not on OBD II cars like the OP has). After a discussion with the techs, we decided I'd drive it for 15 min, then come back and run through inspection again. We are always closed on Sundays. If the check engine light comes back on after you reconnect the battery, there may be an underlying issue that needs to be addressed. It’s a great beginner bike but offers fun for any rider. Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. To learn how to reset a check engine light with a code scanner, read on!. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. How to diagnose a check engine light that flashes. Most of this will tend to happen after the car is driven and the module gets hot. But a new study in Evolution shows that while hummingbird feathers have the same basic makeup as other birds’, the special shape of their pigment-containing structures enables them to reflect a rainbow of light. noticed wrench, then airbag, then 'beep' low fuel (had 1/2 tank) speedo at zero, then the engine icon, maybe a few other lights then the TPMS light flashed for a few minutes, then remained on solid. The airbag light comes on for several seconds when the vehicle is started. What is - Answered by a verified Mazda Mechanic. When I give it gas, it kinda sounds like its going to stall. I then need to turn the car off and back on and it doesn't happen again. You only mentioned getting one replaced, perhaps it’s a different one. Notice the light for the overdrive has a slash through it. And then the light finally goes on! I drained the transmission fluid, replaced the transmission fluid filter with a whatever size oil filter, doubled the oil in the pan and finally realize the only problem is the one between my ears!!. Similar problem, trans light comes on, then the trans won't shift, leaving you with no option but to shut the engine off to reset the shifter. If it is an intermittent concern, or a concern that is only detected during a system self check (monitor test) then the light may come on after a short time. get a check engine light if your transmission goes into limp mode. Shut it off but then it wouldn't start like the battery was dead. What is the price of. 6L I was driving through the Rocky Mountains and near Vail Pass (10,000+ ft) I got a warning light saying that the transmission needed service. Is this true? Should I worry about that light coming on? 2001 Ford Taurus 150,000 miles. I have a 1994 Monaco Dynasty. It is pretty much undrivable. Depending on the make and model of the car, a flashing check engine light usually means there is a more serious problem with the engine. When it shifts, it does. Okay guys, hopefully somebody can help me. I found a quick fix, but I'm not satisfied with it. The bike still feels new and gets some minor updates for 2020. Burning smell, faint grey smoke, battery light I've been getting a burning smell along with faint grey smoke and a battery light on the dash. Light, lean, and mean, our 2017 Chevrolet Camaro Coupe 1LT in Hyper Blue Metallic is pushing the envelope with bold design and unrivaled performance! Powered by a TurboCharged 2. I went pretty slow and came back home Today morning when I started the car the transmission warning light was gone. Thanks for the help on this. After the second one, I had 3 of the 4 O2 sensors replaced and then shortly after, the 4th one went bad. SO like the title suggests i had my EPC light come on while driving down the interstate. Three aspherical elements, 11. the issue is that it turns off mid drive and/or chokes but doesnt turn of. If it comes back again that mean the problem has not been fixed or there is another problem. Plus my check engine light came on also and I noticed my transmission disengage while driving. This light comes on briefly while starting the engine. I can even push the overdrive off button and have it turn the overdrive off and on. This does not suggest we have solved the problem. Now being told I need a transtransmission and the engine light stays on ever since this problem occurred. An eight-inch dashboard infotainment display will remain standard. Then power came back, but it was scary out there. But a new study in Evolution shows that while hummingbird feathers have the same basic makeup as other birds’, the special shape of their pigment-containing structures enables them to reflect a rainbow of light. looked like a car on a slippery road). Long story short, 2012 Tundra Crewmax, driving and I notice my 4 Lo light flashing, as well as the Malfunction Indicator and Trac Off lights are on, at the time didn't notice a difference in drive, finish the 11 miles to my parents, I called 3 different dealerships to talk to an advisor to get a better idea of what was going on and no dice, nobody was available at 5:37pm on a Tuesday night. A certified mechanic should be able to diagnose the problem easily. Then I saw the sad news. I have about 289000 miles on it now. If I hit the gas a bit harder, the RPM goes up. if the check engine light comes on you may have a. Several mechanics have not been able to diagnose the problem. I don't understand why any Dealer service department would tell you it is ok to drive around with a check engine light on as it contradicts what is written by Subaru in your owner's. They turned off the light and it hasn't reappeared, two trips later. Re: allison transmission problem: Terry Chance: 8-12-10 : I have a caterpiller 3126 (2001 Freightliner) and runs great;however, today I started it to drive it down the road and notice right off that the speedometer did not come up and the transmission would not shift. If I have the Air Con off there is no problem, or, if I turn the Air Con off before stopping again no issue. The Service Transmission message and the check engine light came on this morning. The Big Picture: HIV in Travis County. just bought a 1998 dakota sport 4x4 club cab magnum V8 5. Over the next 2 days which included several engine start/stops the lights remained on. She wanted to know what to do, and she wanted that light off. but when vehicle is turned off for an hour or so the switch works fine. I stopped and checked oil and it is okay. How to diagnose a check engine light that flashes. during a huge rainstorm, while drving the cel And trac off lights GOES OFF, stays off until next day. 1999 LHS EATX Controller DTC Present My check engine light came on and the code i got was p0700 this has been worked on several times by the dealer with no results they just reset the code and it corrects the problem for a few months and then it just comes back The transmission will not shift right What can I do?. Most of us don't see an ABS (anti-lock braking system) light stay on very often, unless we spend a lot of time in NYC cabs. 5) Yesterday, the check Engine light came on and now stays on. If the problem has been fixed the Check engine light will stay off. The Lexus UX goes all fierce in the front end, and friendly inside. Similar problem, trans light comes on, then the trans won't shift, leaving you with no option but to shut the engine off to reset the shifter. If you switch back on overdrive, light remain on, its a transmission or electrical problem. Those repairs may not be covered by your car's warranties. I was in the turning lane to turn into a grocery store and when I accelerated to turn my Jeep accelerated then the check engine light came on the service transmission light, traction control light, service parking brake light,there were several lights that came on and my Jeep was still running but stopped accelerating as I was turning into the. *Be aware that SPOILERS will be discussed, so turn back now, if you don’t want to know any details of this ride* The success of Star Wars: Galaxy’s Edge comes from the incredible love that the. Power to a pair of electric motors comes from an air-cooled, front-mounted 28-kwh. We are always closed on Sundays. Transmission warning light came on then went off 2014 Escape SE 1. Everything went well until I started to put it in gear. In the meantime, I am wondering about the RPM jumping up like that & then the transaxle light comes on??. Everything went well until I started to put it in gear. Transmission fluid should be just at the bottom of the hole, or even run out a bit. Check engine light is the most common indicator light that appears on dashboard. I went pretty slow and came back home Today morning when I started the car the transmission warning light was gone. Desperately Need Help!!!! I have an 09 Chevy Silverado Z71 with about 55,000 miles on it. Everywhere I took the car they said it needed a new transmission, however like I said the car ran/runs great, no noticeable problems. My escape has 77,000 miles on it. If it comes on while the engine is running, shut it off and use the oil dipstick to check the oil level. Over the past couple of weeks, my wife has gotten a blinking green “D” (drive) light on several occasions. The first thing to do would be to check the transmission fluid condition and level. then the motor seemed to stall and then pick up right away but wasnt at full power. I have a 1993 Chevy APV van. Take it in for service immediately. When I started to drive it went off and has not come back on yet. Then the traction control system codes can be cleared. Volkswagen requires the use of a scan tool to reset the maintenance light Thank you for using Car How To and the Oil Reset Pro app. Red indicates overheating and requires that you stop the vehicle to allow the transmission to cool down before continuing. Sometimes and engine problem that causes a check engine light will also cause the TRAC OFF light to come on certain vehicles. Our hours are Monday to Friday 10am to 5pm and 10am to 2pm Saturdays except for July, August and Holiday weekends when we are closed Saturday. Took it out of gear to neutral, the nuetral light comes on but the D light is still flashing. It doesnt start to flash until the car seems to be warmed up. if the check engine light comes on you may have a. When I first start the car the light comes on and then goes off, but then after about a second or two will light up again, even if I don't move the wheel or drive anywhere. Discover the nice difference. Transmission Temperature light only comes on when the transmission has reached the operating limits and tells the temp sender to send a warning. Taking Care of the Unexpected. 2004 Polo trendline 1400. If the O/D OFF light were to flash , or doesn't light when the transmission control switch is pushed then a malfunction has occured ( if this is on a newer Ford Explorer with the automatic. Check engine light is the most common indicator light that appears on dashboard. If the system is working normally, the indicator light then turns off. If the oil light comes on when you're on the road, you should pull over as soon as it's safe and turn the engine off. 6L I was driving through the Rocky Mountains and near Vail Pass (10,000+ ft) I got a warning light saying that the transmission needed service. Akeem Ferguson was in a bunker when his team received the bone-chilling radio transmission: Six Iranian ballistic missiles were headed in their direction. noticed wrench, then airbag, then 'beep' low fuel (had 1/2 tank) speedo at zero, then the engine icon, maybe a few other lights then the TPMS light flashed for a few minutes, then remained on solid. I also have seen the temperature for the car went high all the way from Min to almost middle of its reading. The light comes on for a few seconds and then goes off to show that it's working. "Service Transmission" magically came off, and I was now able to get the car to move? I turned the car off and waited a minute or so and then. Thanks for the help on this. then, only the engine light came on but now the EPC warning light has turned on. My escape has 77,000 miles on it. notified chapman ford about this problem was told to bring in edge. which gets a touch light at the limit, but the. Hot transmissions give off an odor. How to diagnose a check engine light that flashes. There are many, many reasons that the check engine light may come on in you car, truck or SUV. I also have a 1999 Lincoln Continental, I have owned it approximately 3 years, I pruchased the car with 7K miles and at 89K the tranny light came on, the local transmission shop replaced the valve body and it ran OK for 400 miles, cost $843. "Check engine" light was on, but now it's off. i´ll appreciate any help and guidence. Is the fuel tank cap loose? If it is, tighten it securely. Bought a brand new 2011 Silverado pickup in April. The check engine light has come on before but then gone off. The 2020 Lexus NX is a compact luxury crossover SUV that presents a bold alternative to its understated German and American rivals. Where Does Color Come. You press the small button on the side of the shift stick. Muslim women in the Palestinian Gaza Strip have been hand-crafting gifts for the approaching Orthodox Christmas as part of a project to empower a traditional community. In this mode, the transmission will function in reverse normally, but in forward it will operate in only one gear (whether you have the shifter in D, or any of the lower gears). You are here: Check Engine Light Home > Dodge Check Engine Light Questions & Answers Dodge Questions & Answers. Do you think this could be my transmission? Colleen. then, only the engine light came on but now the EPC warning light has turned on. Since there are so many reasons that an ABS light can come on, the best way to deal with the situation depends on a number of factors. I have a 2006 Mazda 3 it started with the asb light and power steering light flashing one and off and steering wheel locking up for just a sec of two. First off I am new here and own a 2007 S60 2. The check engine light was still on after eight trips, so I went to an AutoZone store and its device showed that the light probably was the result of a loose gas cap. Then I saw the sad news. Without the lubrication the oil provides, the cylinders can be damaged, leading to the need for a new engine. thanks in advance. Three aspherical elements, 11. The repairs may not be as costly as you fear. I have an 2006 4Runner that my wife was driving today in the parking lot and the car jerked a little and the VSC Off light, slip light and VSC trac light along with the Check Engine light came on. Wait for the light to go off once more then disconnect the paperclip. After the second one, I had 3 of the 4 O2 sensors replaced and then shortly after, the 4th one went bad. the cruise had come off as soon as the motor faulted. When I turn my truck off and start it again, the 4-wheel drive will work until the next time the light comes on. I can turn engine off for 15 seconds, then restart engine and transmission works fine, until I get to the next hill. See Supplemental Restraint System section on pages 24 - 27. If the check engine light comes on when you turn ignition on and stays on for up to 3 or 5 seconds after the car is switched on but then goes off, this is quite normal. Please help. I have been having this problem now on and off for over a year and am stuck on what the problem may be. literally it came on 15 minutes after i made the last payment Rc : Ford f150 -07 check engine light. It was a wheel speed sensor which caused the lights to activate. The details, both internally and externally, make you smile and nod quietly to yourself as you walk around the car. If the oil light comes on when you're on the road, you should pull over as soon as it's safe and turn the engine off. A few weeks back all of a sudden my Service Stabilitrak light came on and my ABS off light came on. What occurs is that if the Air Con is on and I come to a stop (eg at a traffic light or stop sign, etc) the gear symbol comes up in the dash and transmission goes into limp home mode. The check engine light came on with each occurrence. DO NOT OPERATE THE ENGINE WITH THE OIL PRESSURE WARNING LIGHT ILLUMINATED AS IT CAN CAUSE SERIOUS ENGINE DAMAGE. Could this be the cause of my transmission OD problem?. What is the intensity of the light when it. We were almost hit by oncoming traffic. But when we do, it's a situation that needs quick attention. SO I had somewhere to go and thought, probably a bug in the software SO I drove it 40 minutes with the engine light. Before you can determine what needs done, you must first understand what the service engine soon light means and how it is triggered. Tcm downshifts while driving on 2006 jeep commander. The check engine light was on steady for 2 days so I took it into my mechanic. Air conditioner comes and goes when abs light is on When I crank my 1998 corvette the abs light comes on,,and the air won't work until the car is driven a while and the light goes off it will work until …. In the meantime, I am wondering about the RPM jumping up like that & then the transaxle light comes on??. At 100 years of age, the company decided the truck was finally ready for a major overhaul. These four cars prove ‘hybrid fun’ is not an oxymoron. This morning i notice the transmission warning light is on. The legendary invento. The overdrive is "ON" when the light is "OFF". To help you narrow down your diagnostic approach, here's a look at the most common causes of the CEL in the Chevrolet Silverado 1500. Wait for the light to go off once more then disconnect the paperclip. So I took it to the dealership and they flushed the systems and I took it home. If it does not, have the vehicle serviced by your dealer. These are not always detrimental. Have had it in for repairs and various items have been replaced but problem persists. is there something that is causing the o2 bad reading - Robert, August 2008. Sometimes you might be driving, and the ABS light will suddenly come on too. A loose or damaged gas cap is the least expensive, yet very common, problem that can cause your service engine soon light to come on. Is this true? Should I worry about that light coming on? 2001 Ford Taurus 150,000 miles. As it turns out, the 2nd generation Odyssey has a history of transmission trouble. i then turned car off for a minute or so, started up the car and it was fine. We are always closed on Sundays. My light came on because my 150k mi service is due. I also have seen the temperature for the car went high all the way from Min to almost middle of its reading. Temp light to come on. I am now thinking i may have come into contact with a tranny sensor or similar? Its a 5 speed manual transmission. Those repairs may not be covered by your car's warranties. I turned off the engine, and waiting a few minutes, ad then restarted the car, and everything is fine. the issue is that it turns off mid drive and/or chokes but doesnt turn of. The ABS light came on/off, along with the Traction light first then a week later the Automatic Transmission (AT) Oil Temp light came on (flashing) and had it towed. Mine turned out to be a speed sensor that had become partially unplugged on the side of the trans. 00 then the light came on again. Breakdown description: Pulling into a rest stop, shut engine off. transmission warning light came on, less than a mile later the malfunction indicator light came on. Over the past couple of weeks, my wife has gotten a blinking green “D” (drive) light on several occasions. Since then I’ve spent a week apiece with a 2019 30i and a 2020 M40i, both equipped with the Track Handling Package, and my mind has changed. Just noticed that the yellow "Gear" light (with the "!" symbol in it), had just appeared in the dash light panel. what could be causing the problem. By converting electrical current into light and then light into electrical current, an optoisolator allows two different portions of an electrical circuit or system to communicate and interact in the absence of a direct. It was a hot day (90 degrees), a/c blowing, traveling about 80 mph. 4L80E Transmission Problems after dash "check engin light "came on. Following a visual refresh in 2018, the 2020 NX carries over. So this little problem can cause a major problem if left unchecked. I am wondering what could cause this light to come on once and go off. Just recently my Trans over Temp light comes on and then goes right back off. When your light comes on, cut down on the amount of driving you're doing until you get the light off. 2005 vw golf tdi. What Does It Mean When My "Check Gauges" Light Comes On? I recently had a customer call me because her check gauges light has come on several times when stopping at a light or parking. But the car ran perfectly fine. Okay guys, hopefully somebody can help me.