Honda Prototype

MAINTENANCE MINDER™

Honda Maintenance Minder™: Oil Life, Service Codes & What They Mean

Your Honda keeps track of more than miles between oil changes. The Honda Maintenance Minder™ system monitors driving and engine operating conditions to help determine when routine maintenance is due and which services your vehicle needs.

Instead of relying on a fixed mileage interval, Maintenance Minder uses information such as driving conditions, engine temperature and vehicle use to calculate maintenance needs. When it’s time for service, your Honda displays an oil-life percentage and maintenance codes on the dashboard.

Maintenance Minder comes standard on most Honda models, although displays and maintenance requirements vary by vehicle. You can also learn more from Honda’s official Maintenance Minder™ guide.

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 you when your vehicle needs service. Maintenance Minder measures and records sensor readings at various points in 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 fifteen percent, you'll see the Maintenance Finder 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 five percent, the service is due now. If the oil life reaches zero percent, 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 sub code. The codes may seem confusing, but in your owner's manual, there is a page under the maintenance section with all the codes. The main code A indicates that you just need to replace the engine oil, while B indicates you need to replace the engine oil, oil filter, inspect the front and rear brakes, and check the parking brake adjustment, etcetera. The sub codes 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 for your vehicle specific codes. So for example, if the code A2 is displayed on your dash, your dealer will only need to change the oil and replace your interior air filter. Other service facilities may have you replace the oil filter unnecessarily and may not even replace your cabin filter. Honda dealers try to ensure that not only is your vehicle efficient, but so is your service. The Maintenance Minder system is also intelligent enough to group your service items 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 thirty thousand miles, but your oil life percentage will reach the end of its service life at twenty nine thousand miles, the Maintenance Minder system will move the belt inspection up, so you won't have to come back for service in another thousand 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.

What Does Your Honda’s Oil Life Percentage Mean?

Your Honda’s oil-life percentage is an estimate of remaining engine oil life based on operating conditions. It’s not a measurement of how much oil is in the engine.

15% Oil Life – Maintenance Due Soon: It’s time to plan your service appointment.
5% Oil Life – Maintenance Due Now: Schedule service promptly if you haven’t already.
0% Oil Life – Maintenance Past Due: Have the indicated maintenance performed as soon as possible.

The Maintenance Minder also displays letters and numbers identifying the services that are due. Here’s how to read them.

Honda Maintenance Minder Codes A and B

The main maintenance codes identify oil service and related inspections:

A	Replace engine oil.
B	Replace engine oil and oil filter, inspect front and rear brakes, and perform additional vehicle inspections specified by Honda.

Honda Maintenance Minder Codes 1 Through 7

Numbered sub-codes identify additional maintenance services. More than one code may appear at the same time.

1	Rotate tires.
2	Replace the engine air cleaner element and cabin dust and pollen filter; inspect the drive belt, where applicable.
3	Replace transmission fluid and other applicable drivetrain fluids, depending on the vehicle.
4	Replace spark plugs and perform applicable engine inspections or additional maintenance specified for the model.
5	Replace engine coolant.
6	Replace rear differential fluid, where applicable.
7	Replace brake fluid.

For example, if your dashboard displays A1, your Honda is indicating an engine oil change and tire rotation. If it displays B12, additional maintenance and inspections are due.

These are general code descriptions. Refer to your Honda owner’s manual for the specific maintenance requirements for your model and year.

Does Honda Service Pass Cover Maintenance Minder Services?

If your vehicle qualifies for Honda Service Pass, certain factory-scheduled maintenance services may be covered at no additional cost during the program’s coverage period.

For a covered oil change under Honda Service Pass, your Maintenance Minder must show 15% oil life or less. Not every Maintenance Minder service is covered, so check your vehicle’s eligibility and program terms before scheduling.

Ready to Schedule Your Honda Maintenance?

When your Maintenance Minder says it’s time for service, the Honda-certified technicians at Honda Prototype can help with the maintenance your vehicle needs. Schedule your appointment at our Anytown service center, or contact our service team if you have questions about a code on your dashboard.

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