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1407 Surrey Street Lafayette, LA 70501 (337) 235-9086
1407 Surrey Street, Lafayette, LA 70501
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What Are the Honda Vehicle Service Codes?

Video Transcription:

What does a lighted wrench on your dashboard or MID screen mean?

The lighted wrench is part of your vehicle's maintenance minder system, which notifies your vehicle when you need service. Maintenance minder measures and record sensors readings at various points your vehicle to determine when is the optimal time to have it serviced. When your engine runs at higher temperatures during short trips, frequent starts, and stops, or hilly terrain, the oil life will deplete faster than driving under more normal conditions at lower RPMS. Oil is a major contributor to your engine's performance and longevity. If you drive the vehicle with insufficient or deteriorated oil, the engine may fail or be damaged. When the oil life reaches 15%, you'll see the maintenance minder indicator wrench turn on. Along with the wrench indicator, a maintenance code will appear on your dash, informing you of which items need servicing. When the oil life reaches 5%, the service is "due now." If the oil life reaches 0%, the service is "overdue," and it will show the number of miles overdue with a negative sign in front of it. This number will flash until you have the vehicle serviced. Your vehicle also uses codes to help you decipher what is required for service. These codes consist of a main code by itself, or a main and a subcode. These codes may seem confusing, but in your owner's manual, there is a page under the maintenance section with all of the codes.
The main code A indicates that you just need to replace the engine oil, while code B indicates that you need to replace the engine oil, and oil filter, inspect the front and rear brakes and check the parking brake adjustment, etc.

The subcodes are additional maintenance items that need to be checked or serviced with the main code. These codes may vary depending on your model and trim. Check your owner's manual to for your vehicle's specific codes. So for example, if the code A2 is displayed on your dash, your dealer will only need to change your oil and replace your interior air filter. Other service facilities may have you replace your filter unnecessarily and may not even replace your cabin filter. Honda dealers try to ensure that only is your vehicle efficient, but so is your service. 

The maintenance minder system is intelligent enough to group your service together, so you don't have to go to the dealer as often. For example, if the drive belt inspection is scheduled to be done at 30,000 miles, but your oil percentage will reach its service miles at 29,000 miles, your maintenance minder will move the belt inspection up, so you don't have to come back in another 1,000 miles. 

Visit your local Honda dealer when you see the little wrench icon, or stop by any Honda dealer that offers express service for quick, easy, and affordable service.


Keeping up with the recommended maintenance on your new or used Honda car in Lafayette, LA can be a pain, especially if you don't understand service codes. If you're looking for the best way to keep up with your car's maintenance plan, we recommend paying close attention when you see a service code pop up on your display. You can always schedule service near Opelousas, Louisiana and we will figure out the rest! However, if you're curiosity has spiked, we have some information regarding the service codes.


So, What Do the Service Codes on Your Maintenance Minder Display Mean?

Occasionally you might catch a service code on your display. Usually, there is only a tiny symbol indicating that your vehicle needs something. You can always refer to your owner's manual for specific code definitions. Service B1 and B2 codes seem to come up the most often because they are service requests that must be tended to at regular intervals, like oil changes. Here's a quick explanation:

Honda "B" Service codes:

  • Check parking brake adjustment
  • Inspect front and rear brakes
  • Replace fuel filter element (low pressure)
  • Replace engine oil and oil filter
  • Drain fuel filter (high pressure)

Items for inspection:

  • Fuel lines and connections
  • Exhaust system
  • All fluid levels and condition of fluids
  • Brake hoses and lines, including ABS
  • Driveshaft boots
  • Suspension components
  • Tie rod ends, steering gear box, and boots

And Sub Code "1"?

When you see this code pop up, it means that it's time to rotate your tires.

Then there's Sub Code "2", which means:

This code means a few things. Drivers who see this code pop up might need to do one of the following:

  • Inspect fuel tank
  • Inspect valve clearance
  • Replace air cleaner element
  • Replace dust and pollen filter
  • Replace fuel filter element (high pressure)
  • Replace fuel filter element (high pressure)

Have Questions? We're Here!

Contact the experts at Moss Honda today and we'll be happy to answer any of your pressing service code questions.


Honda Source: Owners Honda Minder System
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