2001 silverado remote start/alarm

A bit confused on your symptoms.  When you press the Start button, the ignition circuits should energize ( dash lights up ), then the starter motor should crank the engine, once the engine is running the starter should dis-engage and the engine should continue running for the  20 minute ( default ) run time.   In Tach Mode, which is typically the most reliable way to start an engine, the Remote Starter monitors a pre-established signal to determine how long to crank the engines' starter motor.  This Tach signal usually comes from the coil or a fuel injector.  On your AutoPage RS1100, I believe it is the WHITE/ Red wire on the 22 Pin connector that is connected to the vehicles chosen tach source.  Performing the Tach Learn process establishes this tach reference for use by the RS1100 when starting the engine.

Granting the fact that I know absolutely zero about alarm installs and even less about the bypass module, I do, however, have extensive experience in vehicle repair.

I may be totally wrong here, but It seems to me that the remote starter is functioning as it should, but the Passlock bypass is failing and not allowing the engine to run. Is there a way to test this bypass module to see if it is even functioning properly?

Once again, any "Security" type indicators lighting up on the instrument panel during the attempted remote start?

Passlock2 turns off the fuel pump, so the remote starter should cause the vehicles starter motor to crank the engine.  Does the starter motor run and crank the engine?

Will the vehicle continue to idle if you start it with the key and do the "Temporary Stop" procedure ( aka "Pit Stop" mode ) ?

C. TEMPORARY STOP FEATURE:

This will verify if the ignition wiring is correct.

And I'll try the temp stop thing too.

Stay tuned......more to come

Just curious...Where did you pick up your tach wire and when following the tach learn process did everything learn as expected? Usually there will be a tach learn successful LED sequence or the parking lights are suppose to flash a certain number of times. I'm not familiar with the Autopage systems.

Tach wire was picked up coming out of the cluster. Tach program was successful.

No security light during autostart attempt

Temporary stop mode would not engage either.

Here is another tach signal source ( 2002 Silverado V-8 )

Perhaps you could list your ignition wire connections.  Here is a photo :