4L80e TCC settings

A forum for discussing applications and implementations of the MegaShift transmission controller code for the GPIO from B&G. This can control up to 8-speeds and 6 shift solenoids (plus a 16x9 table for controlling a PWM line pressure valve). It has manual and fully automatic modes (16x9 load x speed table), with under and over rev-limit protection, and full data logging of all inputs and outputs (among many other abilities). A TransStim to test your completed board is also available.
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flak monkey
Posts: 50
Joined: Sun Sep 21, 2014 11:28 am

4L80e TCC settings

Post by flak monkey » Fri Apr 01, 2016 11:34 am

Can someone help me with the settings for the 4L80E TCC for PWM please?

The information on the 4L80 instruction pages don't seem to match with the instructions on the web page any more
The 4L80E does not use a lock-up feel solenoid, it PWMs the TCC solenoid directly. If you wish to pulse width modulate your torque converter's clutch, you will need to select 'Use PT3/Amp32 for LUF and SPR2/PA0/VB2 for TCC' under 'Spare Ports/Clutch Outputs', then set the PWM values under 'Lock-Up Feel Parameters'. Then you would use Amp pin 32 for PWM'd TCC control. Spare port 2 will then be on/off with the TCC, and unavailable for other uses (except for TCC 'applied' indicator light control, if you want that).
I can't find the 'spare ports/clutch output settings anymore...

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