Please wait while the page loads...

2012 Jeep Wrangler Check Engine Light Codes

The check engine light turning on can be quite intimidating to see that tiny light on your vehicle’s dashboard abruptly illuminates, but in reality, it is not something that should cause you to shut down in fear proper away. If you hear the term, diagnostic trouble codes (DTC), these are just another name for check engine light codes. These are automotive computer codes stored by the ECM, also common as the OBD (on-board computer diagnostic system) in your Wrangler. There are hundreds of towering codes that your check engine light can indicate. While that sounds daunting, with a tiny patience, tackling crucial diagnostics will give you basic knowledge about your vehicle and will also allow that Check Engine Light to do what it is really supposed to do: be your guide. Unfortunately, evident and crucial vehicle symptoms do not always accompany an illuminated Check Engine Light. Since there are hundreds of feasible OBD codes, there are also hundreds of feasible reasons for the light, including:

  • Transmission issues
  • Computer output circuit issues
  • Ignition system faults
  • Emissions controls issues
  • Old Battery
  • Bad Spark Plugs
  • O2 Sensor
  • Loose Gas Cap or Missing Gas Cap
  • Fuel and air metering systems problems

This is why it is fundamental for someone who does not have a lot of automotive knowledge to not assume what a code means. If the engine light comes on due to a unusual concern, you risk damaging your vehicle further by not repairing the issue decent away. When your check engine light comes on, you should get it checked out hastily by a certified Jeep mechanic. Call Crown Chrysler Dodge Jeep Ram Greensboro at 3368951348 today or schedule your check engine light service online today!

Is it safe to drive your 2012 Jeep Wrangler with the check engine light on?

If the check engine light is flashing, this means that there is a relentless issue and it is recommended to service your Jeep Wrangler suddenly. This question is not very uncomplicated because it all depends on the severity of the issue. If the cause is a minor issue, such as a loose gas cap, it should be safe to commute. This is mostly indicated by a steady glow of the check engine light. If you notice a difference in the performance of the vehicle, it could be an indication of a more relentless problem. Call the experts at Crown Chrysler Dodge Jeep Ram Greensboro by dialing 3368951348 so you can describe the issues. Or lower your speed and bring your 2012 Jeep to our certified mechanics as soon as feasible.

2012 Jeep Wrangler Check Engine Light Flashing

Although there are several potential causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are several acceptable causes encompassing something as amiable as a loose gas cap. Further acceptable reasons for a Check Engine Light are dirty mass airflow sensor, faulty head gasket, faulty emissions control part, a malfunction with the fuel injection system, damaged oxygen sensor, or defective spark plugs to name a few. No matter what is the root cause of the Check Engine Light, we have the Jeep Certified Technicians and the certified service protocol to isolate the root problem and repair it as imperative to restore factory specifications. When this happens, the Check Engine Light turns off, and you can leave the service center knowing that your Jeep issue was fixed.

Every 2012 Jeep Wrangler was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the vehicle on its hard systems. The sensors are ordinarily detecting conditions while sending data to the electrical control department. If the electrical control department detects that the data is out of factory specifications, the Check Engine Light illuminates telling you that there is a problem. However, that is the limitation of the Check Engine Light – it won’t tell you what strictly is wrong nor what to do about it. That’s where we come in; Crown Chrysler Dodge Jeep Ram Greensboro provides a Check Engine Light Diagnosis Service that isolates the core problem and gives you a recommendation on what to do next from a Extraordinarily Qualified Service mechanical.

2012 Jeep Wrangler Check Engine Light

A flashing light indicates that the problem is persuasive and if not taken care of now may result in dominant wear and tear to the vehicle. If the check engine light in your 2012 Jeep Wrangler starts flashing, that means that the problem needs prompt attention and your Jeep should be transported in now. This blinking light mostly implies a strict engine misfire allowing unburned fuel to be jettisoned into the exhaust system. There it can quickly hike the temperature of the catalytic converter to a point where wear and tear is possible, requiring an expensive repair. Some owners ask if spark plugs cause the check engine light to flash? This can absolutely be the cause. A bad, erstwhile or dirty spark plug can cause the engine to misfire. If your check engine light is flashing, please contact our team of automotive veterans at Crown Chrysler Dodge Jeep Ram Greensboro quickly by calling 3368951348. If the problem is ignored or you continue to commute, this can spread to the spark plug wires, catalytic converter, or ignition coils which can lead to a very expensive repair.

What Does the Check Engine Light Mean?

One of the most continually misunderstood lights or indicators in your 2012 Jeep Wrangler is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in several contrasting ways. It can say "Check Engine", it can be a symbol of an engine, it can even be a combination of both. This light illuminates in either an amber or red color and is part of the diagnostics system found on your vehicle. Onboard computers increasingly have controlled and monitored vehicle performance since the 80s and do a variety of things for your 2012 Jeep Wrangler. Some of these include ignition timing, controlling engine speed, shifting automatic transmissions and implementing stability control, just to name several. With that being said, the check engine light can mean a range of different things. It can be as common as your gas cap being loose or as remarkable as engine knocking. If your check engine light is on in your 2012 Jeep Wrangler, contact Crown Chrysler Dodge Jeep Ram Greensboro. Our Jeep service department can help you find out what code is turning your check engine light on or investigate why your check engine light is blinking. Contact Crown Chrysler Dodge Jeep Ram Greensboro today!

How many miles can you drive with the check engine light?

If you check engine light is flashing, we recommend that you pull over and contact Crown Chrysler Dodge Jeep Ram Greensboro to help select if your vehicle is safe to drive in or if we recommend a tow truck. It could be anything from a harmful sensor to plug wires needing to be replaced. The safest bet is to decipher the code and then plan your strategy accordingly. Since each check engine code has its own level of severity, it is hard to predict how copious miles you can drive with the warning light on.

What could cause the check engine light to come on in a 2012 Jeep Wrangler?

When your check engine light comes on, this could be as conclusive as tightening or replacing your gas cap. Likewise, the check engine light could also be a warning of a critical problem that could cause critical damage to your engine and come with a big repair bill. Depending on your make and model, the check engine light will illuminate or blink. A dependable glow naturally means something less critical but a flashing check engine light illustrates that your vehicle’s engine is in critical trouble and service is fundamental immediately. If your check engine light is flashing in your 2012 Jeep Wrangler, we excessively recommend not to commute the car and schedule Jeep service today. Below is a list of the most known reasons your check engine light can come on:

  • New Spark Plugs or Plug Wires are crucial for your 2012 Jeep Wrangler. The spark plugs are the part of your engine that ignites the air/fuel assortment in the combustion chamber of your vehicle. This explosion is what moves the pistons and makes the engine run. The spark plug wires transport the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad or traditional, you will experience appropriate performance and reduced power. In some extreme cases, your engine will have trouble starting or continuing to run. Worn spark plugs and plug wires can cause clogged catalytic converter or break to ignition coils and O2 sensors, large to more expensive repairs.
  • Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, known as the O2 sensor, measures the amount of oxygen in your exhaust system. If there is excess oxygen in your exhaust system, fuel burns faster and your vehicle will be less likely when it comes to fuel economy. So what happens if I don’t replace your O2 sensor? A faulty sensor can not only affect your miles per gallon, but it can cause break to your catalytic converter and your 2012 Jeep Wrangler's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to designate the correct assortment of air and fuel that enters the cylinders in your engine. A bad O2 sensor can also cause a car to fail an emissions test.
  • One of the most essential and frequent cause is that your 2012 Jeep Wrangler gas cap is loose, damaged or missing. The gas cap for your 2012 Jeep Wrangler serves multiple purposes. It prevents gas fumes from being released when you aren't driving, it seals the fuel system and helps maintain pressure within the fuel tank. What happens if you have a bad fuel cap? If your gas cap is traditional or has a ruptured seal, you can lose fuel through evaporation which will result in more trips to the pump. Luckily, to replace a gas cap isn't expensive. If your check engine light turns on urgently after you put gas in your 2012 Jeep Wrangler, first thing you should check is to make sure the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump.
  • Issues with any aftermarket items. An aftermarket alarm, exhaust or substitute item can wreak havoc on your 2012 Jeep Wrangler if it’s not installed perfectly. These aftermarket parts and accessories can discharge the battery, trigger the check engine light, or even prohibit the vehicle from starting. If these issues sound classic, bring your Wrangler to Jeep and have our team of certified mechanics ensure that your aftermarket items were installed perfectly and aren't causing any issue. Getting accessories, highly aftermarket parts and accessories, or using OEM parts first place might price a microscopic bit more but could save you money from having to get appropriate work and break caused by appropriate installation work corrected.
  • Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your Jeep Wrangler is what determines how much fuel is crucial to run your engine efficiently by measuring the amount of air entering the engine. As a part of the engine management system, the mass airflow sensor helps adjust to practical changes, like altitude. If your Jeep Wrangler is having trouble starting, idling rough or has a sudden change in the position of the throttle pedal, this could be a sign of a bad mass airflow sensor.
  • Your 2012 Jeep Wrangler has a vacuum leak. Every Jeep Wrangler has a vacuum system that performs a extensive variety of functions. The vacuum system also helps lower harmful emissions by routing the fumes as gasoline evaporates through the engine. If you notice that your RPM is high in idle or randomly surges, a vacuum leak could be the cause. Over time, vacuum hoses can dry out and crack, highly if they’re exposed to competent heat or extreme cold.
  • The battery is poor or dead. The battery in your 2012 Jeep Wrangler is every awesome. Without a car battery, your car won’t start, light up the road ahead, play the radio or charge your phone. Today’s car batteries last much longer than they did a few decades ago, and they don't really require maintenance. The price of a new one depends on the type of Jeep you drive, but check our current service coupons and specials.
  • Your catalytic converter is bad or going bad. The catalytic converter is a part of your 2012 Jeep Wrangler’s exhaust system. The catalytic converter's function is to turn the carbon monoxide created by the combustion process into carbon dioxide. A damaged catalytic converter is usually caused by neglected maintenance, which is why Crown Chrysler Dodge Jeep Ram Greensboro offers a complimentary multi-point inspection with every Jeep service. If you have an issue with your catalytic converter and don't get it repaired, your 2012 Jeep Wrangler will not pass an emissions test, show a lack of engine performance and will negatively affect your fuel economy. Your car may run at a higher temperature, too, which can cause substitute problems from overheating.

Will the check engine light reset itself?

The check engine light on your 2012 Jeep Wrangler will frequently shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going correct, and you did a lot of stop-and-go driving, that may have turned on the check engine light due to the high usage of the converter. In most cases, your 2012 Jeep Wrangler light will go off after about 20-40 miles. If you drive over that amount and the light is still on, you will need to deliver it in to Crown Chrysler Dodge Jeep Ram Greensboro so the light and code can be double-checked and reset.

Check Engine Light Service 2012 Jeep Wrangler

What do you do when you’re driving along in your Jeep Wrangler and suddenly, a yellow light illuminates on your dash and says "Check Engine". If you’re like most Jeep owners, your heart sinks a little because you have little idea about what that light is trying to tell you or how you should react. The fear of the unknown (or the cost of the unknown) can be just as stressful. But take a deep breath and realize the light coming on doesn’t mean you have to pull the car over to the side of the road and call a tow truck, but it is recommended that you get your 2012 Jeep Wrangler checked as soon as probable. Ignoring that warning could end up causing big damage to pricey engine elements.

When your 2012 Jeep Wrangler's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t suitable, a computer turns on your check engine light. This amber or yellow light is constantly labeled “check engine” or “service engine soon”, or the light may be nothing more than a picture of an engine, or a picture of the engine with the word “check.”

When the light turns on, the ECM stores an engine code or “trouble code” in its memory that identifies as the issue, whether it's a sensor or a failing engine part. This code is read with an electronic probe tool that is used by our Jeep auto repair mechanics at Crown Chrysler Dodge Jeep Ram Greensboro. There are also a number of comparably low-cost code readers that are designed for do-it-yourselfers, should you select that route too. While this code will tell you the issue that is detected, a true diagnosis still requires an experienced experienced to mean the issue and repair it.

How much does it cost to get the engine light checked?

The check engine light warns of issues ranging from a gas cap that's not correctly tightened to a more risky failure like a bad catalytic converter or a problem with one of the car's oxygen sensors, so it productive to get the handy code reading and diagnosis. The average cost for a check engine light diagnosis & testing is customarily between $88 and $111. The productive news, Crown Chrysler Dodge Jeep Ram Greensboro offers complimentary multi-point inspections and free diagnostics, in most cases, to help imply the cause of your check engine light.