If you did not fix the problem that made it come on, Then it will do no good to clear the codes because they will just come right back.
To check and clear the transmission codes you will need a OBD2 engine scanner. Some parts stores will scan it for free. Call some and ask.
No there is not. Chevy did not use them on there trucks.
Chevy does not have a reset button, Ford is the only one that used those.
Chevrolet does not use inertia/reset switches.
To reset the PCM (Powertrain Control Module) on a Chevy Silverado, you can disconnect the negative battery cable and leave it off for about 15 minutes. This will clear any stored codes and reset the PCM. After the time has elapsed, reconnect the battery cable, ensuring a good connection, and start the vehicle to allow the PCM to recalibrate. Optionally, you can also use an OBD-II scanner to clear any diagnostic trouble codes (DTCs).
You reset the codes with a scan tool after repairing the failure.
Chevrolet does not use inertia/reset swtiches.
Chevrolet does not use inertia or reset buttons.
The fuel pump reset switch can be found on the toe-board, to the right of the transmission hump, in the passenger-side footwell.
GM vehicles do not use inertia/reset switches
GM vehicles do not use inertia/reset switches
to reset an injector , is a specialist job if injector is faulty, it needs replacing
That REQUIRES an ENGINE SCANNER to do that.