2011 Mdx Radio Code

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  • Acura radio unlock codes. Many Acura radios are equipped with a special anti-theft radio code. This code is not required, unless the radio is removed from the vehicle, or the vehicles battery is disconnected. You should always have a copy of your radio code in a safe place, not in the vehicle!
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  1. 2006 Acura Mdx Radio Unlock
  2. 2011 Acura Mdx Radio Code Recovery
  3. 2011 Acura Mdx Radio Code
  4. 2011 Mdx Radio Code

Honda includes a small card or sticker which lists both the radio serial number and anti-theft security code number. On this 2011 CR-V there was a white sticker attached to the left inner side wall of the glove box with both the codes printed on it.

P0306 is a fairly common trouble code with the Acura MDX. It’s and OBD2 code and stands for:

Acura mdx radio code reset

P0306 is certainly a cause for concern, and should be considered a threat to the drivability your MDX. The nice thing about P0306 is that it’s a cylinder specific trouble code, which makes diagnosing the problems much more simple than P0300, which means that the cylinders are randomly misfiring.

2006 Acura Mdx Radio Unlock

It will often be accompanied by codes P0301, P0302, P0303, P0304, P0305, etc…. These particular codes indicate that there is a misfire in cylinder one, two, three, four, and five respectively.

Fixing P0306 should be considered a high priority. Unlike a lot of the OBDII codes, this code has to do directly with engine combustion. It also can cost money to ignore it, since driving with a misfire can damage the MDX’s catalytic converter. The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 6 into the exhaust. Mileage may suffer as well when your MDX has P0306 as well.

Acura MDX P0306 Definition

P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the engine.

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MDX P0306 OBDII Code Symptoms

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  • The P0306 trouble code will trigger the MDX’s service engine soon light.
  • The vehicle itself may begin to run rough. It depends on how serious the misfire is.
  • The vehicle may produce excess vibration, especially at lower RPM.
  • Fuel mileage may suffer.
  • You may smell raw gas coming from the tailpipe.
  • The MDX may backfire.
Radio

P0306 Trouble Code Diagnosis- Acura MDX

There are quite a few things that can cause the P0306 trouble code to trigger the Acura MDX. Here are the most common problems that may cause it. They are presented somewhat in order from most to least likely to be causing the code:

  • Bad Spark Plugs– Spark plugs are one of the most common causes of P0306. Take a look at the electrodes and see if they are in good shape. Most vehicles now come with iridium plugs that need changed very infrequently. That being said, the plugs are a great place to start. Here’s a great video on how to see if a spark plug is bad.Acura MDX Spark Plugs.
  • Spark Plug Wires– On most modern engines, the plug wires are not nearly as long as they once were, but they can still go bad. Here’s how to tell if your plug wires are bad (video).
  • Coil Packs– Coil packs rarely go bad, but when they do, they can certainly cause P0306 in your Acura MDX. Replacing a set can be very expensive. Here’s how to test them.
  • Bad Fuel Injector– If you have a fuel injector that has gone bad, it won’t be able to properly atomize the fuel and you’ll get the P0306. Here’s a good video on how to diagnose an injector, it can be a little tricky. This is definitely not the place to start.
  • Vacuum leak– If your MDX has a vacuum leak, it can be very difficult for it to get the right air/fuel mixture. This will cause the cylinders to misfire and it’ll throw the P0306 if the leak is around that specific cylinder on the intake manifold. It’s easy (and kind of fun) to chase one down. Popular Mechanics: How to find a vacuum leak.
  • Cam or Crank Sensors– This one is very unlikely, but it does happen. If the ECU is not getting the right signal from these sensors, the vehicles timing is not going to sync up and it’ll misfire.
  • Low Compression– If you have a leaking head gasket, bent valve, cracked head, etc.. that would cause compression to not be as high as it should, you’re going to get P0306. You should also feel the vehicle is down on power as well.

Most Common P0306 Fixes

If you follow the items listed above you should be able to fix the P0306. Here’s how to go about it:

2011 Acura Mdx Radio Code Recovery

Inspect and test the parts of the ignition system around the cylinder to determine whether or not you need to replace the coil packs, plugs, or wires. Most of the time one of those three things will end up being the problem.

You need to reset the trouble codes and swap the coil pack, wire, and plug from Cylinder 6 to another cylinder. If you get a different P030X code, you’ll know that one of those three components is bad, since by moving those components you have changed which cylinder the trouble code has registered in. After that, Go ahead and replace them or have them tested. It’s an easy, and cheap method of determining if your ignition components have gone bad.

2011 Acura Mdx Radio Code

After that you would want to test the fuel injection system. There are links above that’ll show you how to do that. If that doesn’t work, it may be time to do a compression test and see if you have a leak in the sixth cylinder.

2011 Mdx Radio Code

Is P0306 a Serious Concern?

P0306 is cause for concern and left unfixed can leave you stranded or make the vehicle virtually un-drivable. Fixing the problem causing the code to fire can save you time and money and keep your Acura MDX from breaking down. Quick action may also save your catalytic converter from going bad. Good luck diagnosing the issue. If there is anything that you would like to add please leave a comment below.