Hello, as you may know I have been chasing my power top issue for a while now and am leaning towards the Power Top Control Module at this point.
I have read many posts in the various sub-forums here and watched the videos from Top and others here about it. I cannot see anything wrong anywhere so am proceeding now with a strong suspicion that I have a failed module but first wanted to ask you about it.

The symptoms are always the same - when the DLink is released and the top pushed back a bit the windows both drop and the top switch on the console goes to steady red. At this point the divider is in the correct spot and all other visible clues are OK.

I press the top switch - and is starts to blink, one second intervals, with a warning beep coming from behind the instrument cluster somewhere about one second intervals, and nothing else. No pump starting, no mechanism turning...nothing else besides the blinking light and the warning sound. This lasts as long as I hold the switch down and stops when I let go of it, and returns to a steady red light, which goes away after reattaching the top and DRing. The same holds true if I manually put the top down and try to raise it, same light and warning sound in the same way.
Since the pump is not trying to run and since the trunk latch mechanism is not reacting I am looking at the thought that the module may have failed and that is why nothing else is happening. There is no water damage or rat-chewed wiring anywhere that I can see.

The trunk latch also is non-reactive. I have tried it with the trunk latched and unlatched - floppy handle and rigid handle - with the same results.
Based on this, do you think the module may be at the heart of this failure? Thank you for any input and hope you have a great New Year.

 

In the fourteen years I've been here, in all the Roadster top issues I've fought, not once has the issue been the top module. A top that wont go UP or DOWN is not likely the top open or divider switch, as those two are not checked when putting the top UP. The trunk latch switch has caused issues, you can measure it's pin at the TPCM connector (with trunk closed, then open, to see the change in state, if there is no change in state, that is your problem).

Things that will stop the top from moving:
Blown fuse to PTCM.
Trunk latch switch not showing closed.
Trunk lock (electric lock) not activating or not indicating activation.
Vehicle speed too high.
The CLP/SSM can inhibit top operation, but when it goes, generally the powered wing will either never move or just go UP every time you start the car (similar to a weak battery). Most often, this is caused by water instrusion that has damaged the CLP/SSM connectors and board.
The BCM does not like something and is inhibiting operation (rare, really rare).

Go ahead and swap the PTCM but make sure you get a WORKING MODULE.. I'd prefer to swap one from a car known to be working, if yours works in theirs, then you know your PTCM is OK.

 

Thank you very much for your input. I will try to get this done and let the forum know, either way, Regards!

 

Pizzaguy is the go-to for top information and much more.

 

Thinking about this -
i can’t seem to locate a KNOWN working module. Oh, they are out there for sale but it really doesn’t help me if the seller says it works…the fact is that I don’t know for sure if it does.
With that in mind, thinking about 14 years experience and the doubt that this might be the issue - something is causing the warning beep every second when the failure occurs. It seems to me that the PTSM is working, as something is seeing that something is wrong and causing the light to flash on the switch and the beep, and am wondering that if the PTSM is dead…would it get that far?
What sends the signal to cause the warning beep and the light to flash?
I will again go over the entire system again to make certain it isn’t something right in front of me,

 

The beep comes from the instrument panel on command of the PTCM. There are two basic reasons for the beep:

1) The PTCM causes the beep to signal something is wrong, this "something" is usually the PTCM thinking that the last raise or lower cycle did not complete. This means the PTCM thinks the top is not completely up or down.

2) The other reason it beeps is if the PTCM has enough brains to know it does not have ALL of it's brains. That is, that the PTCM is bad.

If the beeps start only when you start moving the car, then the cause is almost certainly #1.