Question

I have a 2004 Mazda Tribute with check engine light code p1633. How can I fix it?

Answer 1

Generator Control System - over charge

the alternator might be overcharging the battery, you can check the battery voltage and it should be around 14 volts at idle (when the car is running)

Answer 2

P1633 MAZDA - Battery Voltage Overcharging
Read more: https://www.autocodes.com/p1633_mazda.html