Honda Maintenance Code A1237 – What’s Up with That?

Hey folks,

My Honda just threw up a maintenance code A1237, and I’m scratching my head. Anyone know what this code means and what I should do about it? Is it something major, or can I handle it myself?

Appreciate any help!

The maintenance code A1237 on your Honda indicates that you need to perform a series of routine maintenance tasks: an oil change (A), replace the air filter (1), replace the cabin air filter (2), and inspect or replace the transmission fluid (3). These tasks are standard and usually manageable on your own if you’re comfortable with basic car maintenance. However, if you’re unsure or prefer professional help, visiting a mechanic or dealership is a good option to ensure everything is addressed properly. Regular maintenance will keep your vehicle running smoothly and help prevent future issues.

The A1237 code indicates that your vehicle is due for an engine oil and filter service, as part of Honda’s Maintenance Minder system.

What to Do:

  1. Check Oil Level:
  • Ensure the engine oil level is within the recommended range. If it’s low, add the appropriate type and amount of oil.
  1. Replace Oil and Filter:
  • Refer to your owner’s manual for the correct oil type and filter specifications.
  • Drain the old oil and replace the oil filter with a new one.
  • Refill the engine with fresh oil as specified.
  1. Reset Maintenance Minder:
  • After completing the oil change and filter replacement, reset the Maintenance Minder system.
  • Follow the steps provided in your owner’s manual to reset the system.

Regular maintenance is crucial for the longevity and performance of your vehicle, so make sure to address these tasks promptly.

When my Honda displayed the maintenance code A1237, I discovered it indicates multiple maintenance items: A for an oil change, 1 for tire rotation, 2 for replacing the air filter, and 3 for transmission fluid change. The 7 is less common but might be specific to your model. While some tasks like oil changes and air filter replacements are DIY-friendly, I’d recommend consulting a mechanic for transmission fluid changes to ensure everything is properly handled. This way, you keep your car in top shape without unnecessary hassle.