Chevrolet does not use inertia/reset switches.
To reset the computer disconnect the battery for several minutes then reconnect.If the check engine light is off after reconnect then your computer has been reset.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
How do you reset the computer in a 04 blazer 4.3L
disconnect the battery
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.
To reset the check engine light on a 2006 Chevrolet Trailblazer, you can use an OBD-II scanner to clear the trouble codes that triggered the light. Alternatively, you can disconnect the battery by removing the negative terminal for about 10-15 minutes, which will reset the vehicle's computer. However, it's essential to address the underlying issue that caused the check engine light to turn on before resetting it. Always ensure any necessary repairs are completed to avoid recurring issues.
The check engine light on a Chevrolet Colorado can be rest by connecting an OBD II code reader to the vehicle's computer . Each of the codes can then be reset which will turn the associated light off.
The Chevrolet Beretta, a model produced from 1987 to 1996, does not have a dedicated "computer reset" button. However, you can reset the vehicle's computer by disconnecting the battery for a few minutes and then reconnecting it. This process can help clear any stored trouble codes and reset the engine control module. Always consult the owner's manual or a professional mechanic for specific instructions.
The check engine light problem will have to be repaired in order to have someone with a scanner to reset it. If the repair is not made then the light will come back on immediately.
After repair, you reset with a scan tool.
In general, since you replaced the engine, you most likely disconnected the battery - and that should have reset the codes. If you are getting new codes, something is wrong. Perhaps you have a wiring error or a disconnected sensor. Perhaps one of the sensors is bad.