cruise control light flashing subaru impreza

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2018 - (Impreza) Cruise Control light blinking and relation to other issues?

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I can't recall the details, but in the past I have had a warning light come on (either the SRS or check engine light) and then had the cruise control light come on and the cruise control was no longer available to use. Does anyone recall the relationship between the initial warning light and its impact on cruise control? I simply can't recall if this is related to my 2017 Forester or my previous Subaru - a 2007 Legacy wagon. One other question - is there a similar forum like this, but dedicated to Subaru Imprezas? The only one I have found focuses on WRXs in the UK. Thanks.  

Subaru often disables cruise control when another problem is detected. They don't want something automatic to be happening when it might be relying on faulty data. NASIOC is a forum for Impreza, but beware - its standard of polite behavior is quite different from ours. If you're asking a question that is fundamental to Subarus down under the skin, stay here!  

Thanks for the information. I will check out that forum - a friend has a 2018 Impreza and is looking for a good site to rely on.  

I have a 2012 Impreza. It will disable cruise and flash the cruise control indicator on the dash if it sees any issues. It is usually accompanied by a check engine light (CEL), but not always. It may also include the ABS light, hill assist light, and the stability control light. My 2013 XV did the same. Pretty standard for Subaru vehicles. There is little relation to the underlying problem. It is imperative that you have the car scanned for codes because the dash light behavior is essentially the same for most trouble codes. I have had the cruise flash and disable (with or without a CEL) for fuel pump issues, spark plug misfire, brake light switch, and a complete CVT failure in the XV. The lights all looked relatively the same, but with clearly different issues. Also, impreza5.com is a forum for 2017+ Imprezas.  

Thanks for the responses. Will check the Impreza5.com site out.  

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Why is Subaru Cruise Control Light Flashing on My Car Dashboard?

Driving can be fun, but long-distance driving can be fatiguing as you keep pressing the gas pedal to keep the car going at your desired speed. Thankfully, cars now feature cruise control — a system that lets drivers set a desired speed and relaxes their feet when traveling a long journey.

You can activate the system by pressing the cruise control button and the vehicle will keep you at the current speed. So you don’t have to depress the gas pedal to keep the car running. Cars with advanced cruise control systems use sensors at the front bumper to detect vehicles ahead of them and keep the car at a distance to prevent collision.

Like other system components, the cruise control does have issues. And these issues are common with Subaru cars. Most Subaru owners complain of Subaru cruise control light flashing on the dashboard as they drive.

Why does my Subaru cruise control light keep flashing?

The most common reason why the cruise control light is flashing on your Subaru is due to an electrical or mechanical problem. Remember, when the light is flashing, the cruise control system is disabled, so don’t try to turn it on because it won’t work.

In some other cases, the cruise control light may be flashing due to a defective or loose gas cap, a blown fuse for the cruise control, a failing brake pedal switch, or a defective vehicle speed sensor. Let’s have an in-depth look to see how these issues could cause cruise control light flashing on Subaru Outback and other Subaru models.

Blown fuses

The cruise control system consists of several electrical systems protected by a fuse. The fuse can blow up if there’s an electrical power issue, preventing the key components from failing. If that happens, it will disable the cruise control system. In some cases, the car computer will start flashing the cruise control light on the dashboard to notify you that there’s an underlying issue that needs urgent attention.

If you suspect the fuse is blown, replace it and see if that fixes the cruise control system and clear the blinking light on the dashboard.  If that resolves the problem but the fuse blows in no time and the light starts blinking again, you have other electrical issues. Contact your mechanic for a thorough diagnosis.

Defective speed sensor

The vehicle speed sensor is one of the essential components of the cruise control system. When you activate the cruise control, the onboard computer collects information from the speed sensor to know when to increase and decrease the engine speed.

The vehicle speed sensor is mounted at the tail end of your transmission, and if it malfunctions, the cruise control light will start blinking on the dashboard. The speed sensor is needed to ensure that the speedometer and the odometer work correctly, and without it, the cruise control system will be affected.

If you notice the cruise control light flashing and check engine light is on, check the vehicle speed sensor. A bad speed sensor triggers the check engine light and disables the cruise control system. This sensor cannot be repaired. So, if it is the root cause, the only solution is to replace it with a new one.

Loose gas cap

Believe it or not, the gas cap plays a crucial role in your vehicle’s overall functionality. The gas cap can affect the performance of the cruise control system. For instance, in Subarus, a loose gas cap can cause the cruise control light to blink as you drive. It can also trigger the check engine light to pop on the dashboard. So, a loose gas cap can cause the Subaru Forester check engine light with flashing cruise control to pop on the dashboard.

Faulty mechanical component

If you own an older Subaru car, the cruise control light could be flashing due to a faulty mechanical component. In older models, the cruise control system has a cable, connecting the throttle to an air actuator, which regulates the cable to keep the vehicle at the set speed settings.

If any of the mechanical components go bad, it can disable the system and trigger the blinking light on the dashboard.

Malfunctioning brake pedal switch

Under perfect conditions, the brake lights shine as you depress the brake pedal. There’s a component attached to the brake pedal — the brake pedal switch, which tells the brake lights to light up as you depress the pedal.

If the switch goes bad, the brake lights won’t know when you step on the brake pedal. But aside from this, a bad brake pedal switch can also affect the cruise control system.

When you activate the cruise control system, the system will deactivate and switch to manual mode whenever you step on the brake pedal. If the switch malfunctions, it may send wrong signals to the cruise control system, telling it the brake pedal is always depressed, preventing the cruise control system from turning on.

System malfunction

If your Subaru check engine light is flashing along with the cruise control light and the brake pedal switch, fuses, and vehicle speed sensors are good, you have a problem somewhere in the cruise control system.

To determine the root cause of the malfunction, you need a mechanic to diagnose the vehicle. The mechanic will inspect all cruise control components and may plug in a scan tool to pull out all the error codes in the vehicle.

It’s okay for the cruise control light to be on when you activate it, but if the light comes on when you are not using the cruise control, or the light starts blinking when you activate it, there’s a problem that needs to be addressed. In most cases, a flashing cruise control light on Subaru is accompanied by the engine warning light.

What to do if your Subaru cruise control light flashing?

Whenever the Subrau cruise control light starts flashing on the dashboard, the cruise control has malfunctioned or disabled. Hence, do not turn on the cruise control system. If the light starts flashing after getting gas, locate a safe spot and pull over. Check the gas cap and re-tighten it. It could be you did not secure the gas cap properly.

If that do not solve the problem, drive straight to your mechanic and have them diagnose and fix the problem.

Does the cruise control stop working when check engine light is on?

If the onboard computer detects a problem with your transmission or the engine, it will display the check engine light and disable certain vehicle functions, like the cruise control system, to prevent further damage until you address the issue.

Let’s be clear here; this does not mean that the PCM must disable the cruise control whenever it detects an issue with the engine or transmission. It will only disable the system if the issue is causing unstable engine performance.

Subaru Outback check engine light flashing, cruise control, and traction control light blinking can all come up due to engine performance issues. Contact your mechanic to proffer solutions to the problem. 

Final Words

To be precise, the flashing Subaru cruise control light shows there is a mechanical or electrical problem in your car. The cruise control light should be green and steady when you turn on the system. But if the light is flashing, turn off the cruise control until you address the problem.

If you are a DIYer, you can fix the issue yourself. But if you are not, contact your mechanic or dealership. The solution can be easy, quick, and quite affordable.

Osuagwu Solomon

Osuagwu Solomon is a certified mechanic with over a decade of experience in the mechanic garage, and he has over five years of experience in the writing industry. He started writing automotive articles to share his garage experience with car enthusiasts and armature mechanics. If he is not in the garage fixing challenging mechanical problems, he is writing automotive repair guides, buyer’s guides, and car and tools comparisons.

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Subaru cruise control light is flashing. Possible causes

Have you ever noticed your Subaru’s cruise control light flashing? It can be quite disconcerting. Don’t worry, it’s probably nothing serious.

In this article, you’ll learn what could be causing the flashing light and how to fix it. We’ll also discuss some other issues related to cruise control, so you can be better prepared if something similar happens in the future.

Key Takeaways

• The flashing cruise control light in a Subaru could be caused by various issues such as a faulty brake switch, malfunctioning speed sensor, or blown fuse.
• Other potential causes include a failing brake pedal switch, traction control system issues, malfunctioning mechanical components, and failed control module, sensor, or switch issues.
• Throttle actuation problems and dirty or malfunctioning cameras (in the case of adaptive cruise control) can also lead to a flashing cruise control light.
• Before visiting a service center, there are a few solutions to try such as replacing the brake switch, replacing the gas cap, disconnecting the positive battery cable and stepping on the brake pedal, and using an OBDII reader for diagnostic information. However, if the issue persists, it is recommended to visit an authorized Subaru service center for professional diagnosis and repair.

A brief explanation of the issue

If you’re driving a Subaru with cruise control, you may have noticed that the light on the dashboard is flashing . The flashing cruise control light can be caused by a number of issues, including:

• A faulty brake switch
• An electrical fault in the vehicle
• A malfunctioning cruise control system
• A loose or faulty connection in the wiring harness.

Troubleshooting the issue requires an experienced mechanic to diagnose and repair.

Causes of Flashing Cruise Control Light

If your Subaru’s cruise control light is flashing, it may be due to a malfunctioning speed sensor. This sensor is responsible for detecting the speed of the vehicle and relaying that information to the cruise control system. If the sensor is not working properly, it can cause the cruise control light to flash.

Another potential cause of a flashing cruise control light is a blown fuse. The fuse that controls the cruise control system may have blown, preventing it from functioning properly. Checking and replacing the blown fuse can resolve this issue.

A failing brake pedal switch can also be a culprit behind a flashing cruise control light. The brake pedal switch is responsible for detecting when the brake pedal is depressed, which is necessary for the cruise control system to disengage.

If the switch is failing, it may not properly detect when the brake pedal is pressed, leading to a flashing cruise control light.

Lastly, an issue with the traction control system can cause the cruise control light to flash. The traction control system is closely linked to the cruise control system, and if there is a problem with the traction control system, it can trigger the cruise control light to flash.

It is important to note that these are just potential causes and that a proper diagnosis should be done by a qualified technician to accurately identify the issue and determine the appropriate solution.

Malfunctioning speed sensor

You’re likely noticing your Subaru’s cruise control light flashing because the speed sensor is malfunctioning. This could cause a variety of issues such as:

• Reduced fuel economy
• Poor acceleration
• Unstable speed control
• Erratic RPMs.

It’s best to have the speed sensor inspected and replaced if necessary to ensure your car runs smoothly and efficiently.

Another possible cause of the Subaru cruise control light flashing is a blown fuse. A blown fuse is a sign that the circuit is overloaded and can’t handle the current running through it. In this case, the cruise control system may be shorting out and the fuse must be replaced in order to fix the issue.

Failing brake pedal switch

If the brake pedal switch has failed, it can also be the cause of the Subaru’s cruise control light flashing. The brake pedal switch is a safety feature that helps the cruise control system recognize when the brakes are being applied.

A malfunctioning switch can cause the cruise control system to not work properly, resulting in the light flashing.

Regular inspections of the switch can help identify any problems before they become dangerous. Replacing the switch when necessary can help ensure the cruise control system is working correctly and the flashing light isn’t a cause for alarm.

Traction control system issues

Besides a failing brake pedal switch, another potential cause of the Subaru’s cruise control light flashing is a malfunctioning traction control system. Here are four common culprits:

• Faulty wheel speed sensors
• Worn control unit
• Low tire pressure
• Damaged brake pedal switch.

A malfunctioning traction control system can cause the cruise control light to flash, so it’s important to have it checked by a professional to ensure safe driving .

Malfunctioning mechanical components

Apart from a faulty brake pedal switch, malfunctioning mechanical components can also be responsible for your Subaru’s cruise control light flashing. This includes a problem with the throttle control motor, the cruise control switch, the brake light switch, the cruise control actuator, and the ECU.

Malfunctioning of any of these parts can lead to a flashing cruise control light, and it’s important to get the issue resolved quickly as it can adversely affect the performance of your vehicle.

Failed control module, sensor, or switch issues

Aside from the mechanical components, a failed control module, sensor, or switch can also cause your Subaru cruise control light to flash. If any of these components fail, the cruise control light will start to flash. Here are a few common sources of this issue:

• Electrical connections wearing away
• Corroded wiring
• Malfunctioning switches
• Burned out control module.

It’s important to have your car checked by a qualified mechanic to determine the exact cause of the flashing light.

Throttle actuation problems

Frequently, issues with throttle actuation can also be the culprit behind a Subaru’s flashing cruise control light. When the cruise control light is flashing, it usually means the throttle actuator is in need of service. It can be caused by a malfunctioning throttle position sensor , a bad throttle body, or a faulty electronic throttle control unit.

In any of these cases, the throttle needs to be repaired or replaced. Proper troubleshooting is essential to identify the source of the issue and to ensure a proper repair.

Dirty or malfunctioning cameras (adaptive cruise control)

Continuing on from issues with throttle actuation, dirty or malfunctioning cameras can also be a cause of Subaru’s flashing cruise control light. Reasons include:

• Obstructions blocking the camera’s view
• Damaged camera lens
• Malfunctioning of the camera’s hardware
• Problems with the car’s software.

Dirt, grime, and corrosion can also be factors in camera failure. Be sure to have a professional check the camera’s condition to avoid further issues.

Solutions for Flashing Cruise Control Light

If you’re having trouble with your Subaru’s flashing cruise control light, don’t worry. There are several solutions you can try to get your car back to normal.

• Hook up an OBDII reader to get valuable information.
• Visit the service center at your nearest authorized Subaru dealer.
• Check or replace the brake switch.
• Even disconnect the positive battery cable for 10 minutes and step on the brake pedal for a minute.

Hook up an OBDII reader to get valuable information

Once you’ve hooked up an OBDII reader to your Subaru, you can start to get some valuable information that can help you solve why the cruise control light is flashing. It can:

• Show any trouble codes
• Help you diagnose electrical problems
• Diagnose the engine light
• Provide you with data about your vehicle’s performance.

With this information, you can get a better idea of why your cruise control light is flashing and how to fix it.

Visit the service center at your nearest authorized Subaru dealer

If you’re still unsure what the issue is after hooking up an OBDII reader, then you may want to consider visiting the service center at your nearest authorized Subaru dealer.

The staff at the center have the expertise to diagnose and repair any issues with your vehicle, and they’ll be able to provide you with insight into why the cruise control light is flashing.

They may even be able to suggest a repair or adjustment that can resolve the issue.

Taking your car to the service center is the best way to get the right advice and a quality repair.

Check/replace brake switch

Carrying on from the previous suggestion, the next solution might be to check or replace the brake switch, as it can sometimes be the source of the cruise control light flashing.

To do this, here are 4 steps to follow:

• Find the brake switch and disconnect the wires.
• Check the continuity of the switch with a multimeter.
• If the switch is defective, replace it with a new one.
• Reconnect the wires to the switch and test the cruise control light.

Disconnect the positive battery cable for 10 minutes and step on the brake pedal for a minute

Once the gas cap has been replaced, another solution to try if the cruise control light is still flashing is to disconnect the positive battery cable for 10 minutes and step on the brake pedal for a minute.

To do this:

• Find the positive battery cable.
• Unhook the cable and wait 10 minutes.
• Re-connect the cable.
• Step on the brake pedal for a minute.

This should reset the cruise control light and get your Subaru back on the road.

Final Words

It is important to check why your Subaru’s cruise control light is flashing in order to avoid any potential issues.

Taking the time to diagnose the cause of the flashing light will ensure that your car runs smoothly and safely.

Importance of checking the issue

It’s essential to get your Subaru checked as soon as possible if the cruise control light is flashing. Ignoring the issue could potentially lead to a more serious problem, such as:

• A malfunction in the car’s braking system.
• Damage to the car’s electronic components.
• An unexpected increase in fuel consumption .
• Unintended acceleration.

If you notice the cruise control light flashing, don’t hesitate to take your car to the nearest mechanic. Failing to address the issue can have costly consequences.

Be sure to get your car checked out as soon as possible.

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Blinking cruise control and odometer

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Has anyone has an issue with their cruise control and odometer start blinking while you're driving? My 2017 is doing this during long drives. If I pull over and turn off the car everything goes back to normal. The car is at the dealership but they are unable to replicate the issue so they can't do anything to fix. Imagine that. Thanks  

it's her way of tell you she "tired" or she a ladies break. this has been covered before. https://www.impreza5.com/forum/138-5th-gen-impreza-issues-problems/2482-cruise-control-flashing.html  

Thanks. I called the dealership this morning with the tsb number and the tech is going to review. Hopefully they can fix that and replace my head unit.  

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• Gen 3: 2005-2009

check engine light on and cruise control light flashing!

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recently i had to replace the main engine control computer on my 2009 outback because it was malfunctioning. now a few months later the check engine light is on and the cruise control light is flashing they turned on while i was driving. if you guys know any reasons why please feel free to respond, thanks!  

do you have a plain 4 cylinder, a 6 cylinder, or a turbo 4? what are the codes: (your car has a great code reader right in it, such may take a couple tries at getting it to work though). http://www.subaruoutback.org/forums...9-how-read-diagnostic-trouble-codes-dtcs.html  

Loose gas cap is a common one. My 2015 Christmas treed on me a few weeks ago which was two days after being serviced. Vacuum hose on the front of the engine where the upper cylinder cleaner had been pumped in was not hooked back up......  

Check engine light means code is stored, the check engine light disables the cruise control so you will take your car into get it fixed. This may not be related to your original problem, it just means a code (s) are stored in the ECU. If you have an OBD II reader it will tell you the code. Or you can use the code reader function mentioned above. Without the code we really can't tell you much other than a code is stored and that the code disables the cruise control  

Just replaced the motor in my 2006 outback and the check engine light along with the cruise ( flashing) light is on. I took it back to the shop and he checked codes on it, nothing came up but he cleared it anyway, the check engine light went off but not the cruise light, shortly after I left the shop the check engine light came back on, she’s running great except no cruise control. Can you give me some pointers? Will disconnecting the positive battery cable for about 10 min and pressing the brake pedal for a minute help reset things ?? Read about that and going to try it.. lol.. thanks !!  

LynnD said: Will disconnecting the positive battery cable for about 10 min and pressing the brake pedal for a minute help reset things ?? Read about that and going to try it.. Click to expand...

Thank you !! Will do that instead  

Or, most any auto parts stores will read the codes for you for free. Let us know what the code is. After a reset, you need to drive the car 60 miles for it to show any issues. Here's a link to most of the CEL. https://legacygt.com/forums/showthread.php/trouble-codes-cels-26113.html  

If the check engine light is on, there should be stored codes to be scanned. Difficult to troubleshoot without the trouble codes.  

Possibly. It could also be that the filter in the banjo bolt feeding oil to the solenoid is clogged. The consensus seems to be that this filter should be removed altogether.  

plain OM said: Those are engine-related codes. In that regard, what engine do you have: 2.5 non-turbo, 2.5 turbo, or the 3.0 six-cylinder? The P0026 could be the bank 1 (passenger side) AVLS (variable valve lift) solenoid, or, it could be the related AVLS oil pressure sensor switch. When the switch fails, it also leads to the same P0026 code. A symptom related to some cases of faulty switches is leaking oil from the switch. It's also possible that the P0026 problem originates in a blocked screen filter; it's inside the solenoid housing on the back of the bank 1 head. When the screen is clogged, oil flow to the solenoid can be reduced, and that in turn reduces the oil pressure to the switch, leading to the code. There's lots of posts here on the P0026, and the equivalent bank 2 P0028. Are you planning to do any required work yourself? Is the engine oil level correct? When the replacement engine was installed, was it's timing belt, and the camshaft timing, checked? Click to expand...

Mine did that and it turns out my alternator has an issue code I got was for low voltage  

I had a 1-year saga with this - code said it was an O2 sensor. I replaced it. Still happened. Mechanic thought original O2 sensor must be bad, and replaced it again under warranty. Still happened. Changed gas cap and repressurized system. Still happened. Cleared the code, twice. Still happened. Local mechanic started to suspect an exhaust system leak or cat converter but said he didn't have the equipment to diagnose. I finally took it into the dealer, where they spent 4 hours trying trying to figure it out, unsuccessfully. Finally, only after attempting a cold start the following morning were they able to determine that the exhaust intake manifold gaskets were leaking. Once I replaced those, all the blinking lights went away. (In the meantime, even with all those alarming blinking lights, the car still drove fine and I even took it on a 2-week road trip.)  

Seems like most go down part of the route you described based on error codes. I know it has only been a few months but have the lights stayed off?  

So I have a 07 outback, anytime the check engine light (cel) is on the cruise control stops working as a safety function so it flashes to indicate this. Simply fix the cel code. Emphasis on simply.  

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Subaru Faq 3 My Check Engine Light Came On And Or My Cruise Control Light Is Flashing Can I Drive My Subaru

Justin Stobb

November 14, 2012

24 Comments

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  Q. My check engine light came on and or my Cruise control light is flashing, is My Subaru ok to drive?

A. The check engine light can come on for one of many reasons, as such there is really no way to know if its for a loose gas cap or something much more serious without at a minimum a code scan. Starting in 2005 Subaru commanded the Cruise light to flash as well as disabling the cruise control to get your attention. As long as the light is on steady and there is no apparent change in the way your Subaru is performing its most likely ok to drive however we suggest contacting us through email at [email protected] or if you prefer calling us 425 828 3600 and trying to get it in as soon as you can. If the check engine light were to begin flashing that is an indication that the engine is misfiring and really should not be driven and rather should be towed to our repair facility. This may also be a good time to consider purchasing a Code Scanner (pictured below) to keep in your glove box for just these type of situations, if you are able to scan it yourself you could contact us with a code number and we will be in a better position to help you.

So Remember

• The light is yellow, it means proceed with caution.
• If there is a change in how the vehicle is performing, get it in asap.
• If the Check Engine light flashes tow it in.
• The Cruise control light will flash on 05 and newer models, that does NOT mean you need to tow it in.
• Contact us when you can.
• If you have a Scan Tool, scan it and let us know the code.

If you want to learn more about the check engine light and your Subaru you can try these two articles.

Check Engine Light Subaru Part 1.

Check Engine Light Subaru Part 2

24 Responses:

24 responses to “subaru faq 3 my check engine light came on and or my cruise control light is flashing can i drive my subaru”.

MY12 XV. Woulda faulty valve body cause “DYnamic Traction Control needs checking” warning. Thanks

Not without another system having a fault

Hello, I have a 07 Legacy Outback Sedan. The other night when I was driving home the “Check Engine and Cruise Control (CC blinking) lights” came on. I have taken it to two different places to have it troubleshoot to get the codes and nothing comes up. I also checked to see if it was the gas cap and nothing. Would you have any other suggestions?

Hi Claudia,

There would have been a code set in correlation to the check engine light coming on. What have you been told about the code number?

Hi, I notice on the 05 and newer outbacks that CEL will disable cruise control. I have an 03 outback limited with a CEL for HO2 sensor 1 heater circuit. Will replace the sensor when I can but I was wondering if this could also cause the cruise control to be disabled on my 03, or if I should start troubleshooting for another issue. Light comes on on the button on the left but the steering wheel switch does nothing (except I managed to get it to set one time). Car is new to me so any advice is appreciated. Thanks!

Not typically

I would take care of the Check engine light and take it from there.

We experienced same lights codes are:

PO335 Cranckcase Position Senor A circuit Malfunction

ABS C0057 VDC Controller interruption because of engine instructions C0041 Electrical Control Module C0071 Steering Anti Sensor C0025 Rear Right ABS sensor circuit open or short

BCM B1101 Battery Power Supply Malfunction B1102 Battery Power Supply Back up B1104 All Power Failure

Now Justin you have the codes what do you suggest is issue?

You haven’t mentioned any of the vehicles symptoms to go along with all of those codes?

The first thing that needs to be diagnosed is the P0335 CRANK SENSOR circuit malfunction, especially if its stalling. If its stalling the top two VDC and possibly all of he BCM codes may appear.

That’s the place to start..

From there it most likely the right rear abs sensor has failed.

with an issue like this is it expensive to get it fixed? My Subaru Tribeca has been doing the exact same thing with the tire traction, cruise control and engine light on. I need it to pass emission soon

Hello Mary,

Each situation is different and the reason that each situation needs to be diagnosed.

I am the original poster from August 3, 2014. I have an update in that this happens when the gas tank has 1/4 tank of gas remaining. This is consistent in all the times the check engine light, traction control light are lit with the blinking cruise control light.

Why not get the code?

Its the same code, P0453

I have the same problem on a 2010 Subaru Impreza. Traction control and Check engine light solid, and blinking cruise control. This is the third time. My friend has a scanner and the code is P0453. When I took it to a mechanic, he cleaned up a sensor by the gas tank. Also, when this happens, I cannot fill the gas tank like there is too much pressure.

This just happened again.

What I’ve noticed is this happens on hot days, 80 degrees and up. When the weather cools, I can fill the tank with no problem.

Please help!

Hello Lester,

Sounds like either the vent solenoid has an issue or the charcoal canister is full. Not sure how cleaning a sensor will help, and what you need is to have a knowledgeable technician perform a proper diagnoses. we see this symptom here and there each situation is different as such there is no part I can tell you will fix it, only that testing is required.

On returning from lunch today my 2012 Legacy (4-cyl) started flashing both cruise control and brake lights in the dash. At the same time I got a solid CEL and the traction control light in the dash is also on (solid). This all happened when I started the car to return from lunch. No noticeable difference in the performance in the 2 mile trip from lunch back to the office. I don’t have a code reader and will get to the dealership to have it checked out. In the meantime, hoping someone can let me know if this is urgent and what could possibly be the cause – hopefully just the bitter cold temps or a loose gas cap! Thank you in advance.

Did you find out what it was. My daughter is driving home from work and the exact same thing is happening. Dealers are closed right now so she’s worried about driving.

Had the same problem usually driving between Adelaide and Melbourne, generally around Horsham. The computer indicated the engine was running rich. This was obviously a generic description of a number of indicators. Did everything at other places including replacing all oxygen sensors then it was diagnosed with a loose fitting in the fuel tank (which balances the movement of fuel between tanks on either side of the drive shaft…as I understand it). Had a second hand one installed, all up cost me $500, and now I’ve driven between Adelaide-Melbourne and Adelaide-Canberra without a problem.

I have a Subaru Impreza 2005.

My check engine light comes on solid (with cruise control light blinking) and it seems to be linked to my gas tank level. The car seems to run fine. At first, I retightened my gas cap and the CEL disappeared after a few days.

This is the behavior I’ve been seeing (this has been going on for a couple of weeks now).

The CEL comes on at 3/4 of the tank full and disappears at 1/4 tank full (or seems to be the case).

Has anybody seen this behavior?

You need to have the code scanned.

Otherwise its all just a guess.

Try reading this

https://allwheeldriveauto.com/subaru-check-engine-light-and-code-p0420-explained/

Also for your car in particular I believe there is updated software related to the code and possibly a TSB. You would want to call a Subaru Specialist local to you. It requires a Subaru Select Monitor device to upload new software once it has been confirmed that’s whats needed.

codes p1301,p1544,p0700,p0725,p0021 are on. any thoughts? thanks

Not with out at a minimum what year and model Subaru you, I cant guess.

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