The maintenance light on a 2015 Toyota Tundra can be reset quickly after you’ve completed the service. No special tools are needed, and the reset simply restarts the Maintenance Minder interval from zero.
What the light means
The MAINT REQ (Maintenance Required) light is part of Toyota’s Maintenance Minder system. It comes on to remind you when routine service is due based on mileage and time. Resetting the light does not perform any service; it only restarts the reminder countdown after you have completed the required maintenance and logged it.
Reset procedure
Follow these steps in order to reset the Maintenance Required light on the 2015 Tundra. Ensure the maintenance you performed has been recorded and that you’re resetting the counter for a new interval.
- Turn the ignition to ON (do not start the engine).
- Display the odometer/trip information by pressing the trip reset knob until the display shows ODO or TRIP A.
- Turn the ignition to OFF.
- Press and hold the trip meter reset button, then turn the ignition back to ON while continuing to hold the button.
- Keep holding until the odometer reads 000000 or the maintenance light goes out, then release the button.
- Turn the ignition OFF again, then start the engine to verify the light is reset and no MAINT REQ indicator remains.
If the light does not reset on the first attempt, repeat the steps slowly and ensure you are holding the reset button throughout the process. A weak battery can also affect the reset sequence, so make sure the battery is in good condition before retrying.
Troubleshooting and tips
If the light still does not reset after multiple attempts, consider these options:
- Double-check that the maintenance work was completed and logged in the vehicle’s service records.
- Ensure the climate, radio, and other accessories are off, as excessive draw can interfere with the reset.
- If the reset continues to fail, consult a Toyota technician or your local dealership for a hands-on check; there may be a vehicle-specific quirk or an electrical issue.
In any case, resetting the light when service is due or not completed can mask overdue maintenance. Use the reset to start a fresh service interval only after performing the recommended maintenance and recording it in your vehicle’s records.
Summary
Resetting the 2015 Toyota Tundra’s maintenance light is a straightforward, tool-free process tied to the odometer/reset knob and the ignition sequence. Perform the required maintenance first, then follow the step-by-step procedure to restart the Maintenance Minder interval. If issues persist, seek professional assistance to diagnose potential electrical or system faults.


