Turn the ignition to the "ON" position without starting the vehicle. Press the gas pedal in 3 times, holding it in for 2 seconds each time. When the "Change Oil" light flashes, start the vehicle.
take the neg battrey treminal off for like an hr
Make sure the car is off. Turn the car on (not started, but "on") and IMMEDIATELY hit the gas pedal three times. I know it sounds pretty stupid, but that's how you do it. You may not get it the first time, so you may have to turn the car off, then on again.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
AnswerIgnition on - engine off - floor the gas pedal 3 times. That's it!
When you change the battery you automatically reset the PCM. Any time you remove the negative battery cable for about 15-20 minutes you will reset the PCM. This will reset your Check engine light also. www.trailvoy.com Trailblazer enthusiasts forum with all the answers for your Trailblazer.
If you don't have a code reader you can disconnect the battery cable for a couple of minutes and that will reset the light
disconnect the battery
Turn ignition on (do not start engine), depress the accelerator to the floor 3 times within 5 seconds, change oil light should flash 5 times, done.
To reset your oil light:Turn the key to the 'on' position (do not start the truck).Press the gas pedal to the floor three times.
The best and fastest way to reset the instrument panel of 2004 Trailblazer is to disconnect both battery terminals. Reconnect them after about 30 minutes and everything should be reset.
ignition on - engine off - floor the gas pedal 3 times. That's it! LOOK IN YOUR OWNERS MANUAL!
Insert key in the ignition, then turn the key to on position without cranking, then push gas peddle three times within 5 seconds.
Turn the key on, engine off. Hit the gas pedal to the floor 5 - 6 times. shut the key off. It's now reset. Only reset it when the oil is changed.
Get the Trouble code read then have it reset at the same time. You can also disconnect the negative battery terminal for 10 minutes and it will reset. If you have not fixed the problem the code will set again causing your check engine light to come back on.