We really need T43 6L80e TCC pressure options!!

[LS1FREEK]

I still prefer tuning Gen3 and Gen4 cars/trucks with EFILive over HPT, but everytime I have a guy come in with a T43 (6L80e) with an aftermarket small diameter stall, I have to go get my HPT cable so I can tune the TCC regulator gain/offset to keep the lockup clutch from slipping/surging. Is there anyone possibly making CAX files for this?? That or in the latest HPT beta versions they have a Desired TCC Pressure table.

[Tre-Cool]

I've done a few for the exact same reason. if your still chasing them post the os/cal.

here is 1 i did for os 24256025

[D9790]
; Description
; ---------------------------------------------------------------------------------------------------------------------------------
DESC.001 = Selects the Gain of the TCC Pressure Regulator Valve.
DESC.002 =
DESC.003 = The OEM default is typically set to 1.500.
DESC.004 =
DESC.005 = Setting this to 0.000 will cause maximum pressure at all times, while setting to 8.000 will cause the TC to NEVER lock up (no pressure).
;
;
; Seg Caption Major Minor Vis Dis 2D Grp
; --- -------------------- --------------------------- ------------------------------ --- --- -- ---
VIEW = 4 "TCC Regulator Gain" "Torque Converter" "" 2 1 0 0
;
; Address(es) BitOff Bits Typ Inv
; -------------------------------- ------ ---- --- ---
ADDR = 1EE622 0 16 UNM 0
;
; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser
; ------------------------ -------------- ------ ---- -------- -------- -------- --------
SI_SLOT = Factor 0.0001220721 0 3 0 8 0 8
IM_SLOT = Factor 0.0001220721 0 3 0 8 0 8
;
; Body Col Row
; -------------- -------------- --------------
ULABELS = . . .
;
; Enumerations
; -------------------------------------------------------------------
SI_ENUM = .
IM_ENUM = .
;
; Units Labels
; ---------------- -----------------------------------------------------
SI_COL = .
IM_COL = .
;
SI_ROW = .
IM_ROW = .
;================================================= ================================================== ==========================================
[D9795]
; Description
; ---------------------------------------------------------------------------------------------------------------------------------
DESC.001 = Selects the Offset of the TCC Pressure Regulator Valve.
DESC.002 =
DESC.003 = The OEM default is typically set to 26.69 PSI (184.0 kPa).
;
;
; Seg Caption Major Minor Vis Dis 2D Grp
; --- ---------------------- --------------------------- ------------------------------ --- --- -- ---
VIEW = 4 "TCC Regulator Offset" "Torque Converter" "" 2 1 0 0
;
; Address(es) BitOff Bits Typ Inv
; -------------------------------- ------ ---- --- ---
ADDR = 1EE624 0 16 UNM 0
;
; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser
; ------------------------ -------------- ------ ---- -------- -------- -------- --------
SI_SLOT = kPa 0.062500000 0 2 0 4096 0 4096
IM_SLOT = PSI 0.009064827 0 2 0 594.1 0 594.1
;
; Body Col Row
; -------------- -------------- --------------
ULABELS = . . .
;
; Enumerations
; -------------------------------------------------------------------
SI_ENUM = .
IM_ENUM = .
;
; Units Labels
; ---------------- -----------------------------------------------------
SI_COL = .
IM_COL = .
;
SI_ROW = .
IM_ROW = .
;================================================= ================================================== ==========================================

[In-Tech]

Amazing timing this came up. If you don't mind, What settings and values do you guys normally change to with a high stall convertor?

Here are the stock settings on this 2012 Caprice Police Car


Torque Converter

TCC Enable Coolant Temp. 20 Deg. C
TCC Disable Coolant Temp. 18 Deg. C
TCC Min. Slip - A/C On 0 RPM
DoD TCC Slip Transistion Off 70 RPM
DoD TCC Slip Transistion On 80 RPM
TCC Pressure Regulator Valve Gain 1.5
TCC Pressure Regulator Valve Offset 26.69 psi
TCC Adapt Min. Pressure -2.9 psi
TCC Adapt Max. Pressure 21.75 psi
TCC Adapt Min Vehicle Speed 9.9 MPH
TCC Adapt Max Vehicle Speed 317.4 MPH
TCC Adapt Min Trans. Temp. 20 Deg. C
TCC Adapt Max Trans. Temp. 150 Deg. C
TCC Adapt Min TPS 0 %TPS
TCC Adapt Max TPS 99 %TPS
TCC Adapt Min Torque 44.2 ft-lb.
TCC Adapt Max Torque 299.8 ft-lb.

[Tre-Cool]

From postings i've seen on the hpt board, the caprice trans tune seemed to suffer the worst of the convertor not holding lockup. Try changing the valve offset to 50-60psi. (i use anywhere from 350-400kpa).

I'll reply to the other thread with a bin file.