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Hyur ye go....currently displayed: Trans Temp (TFT), Coolant Temp (FwT), Boost (BST), and Wideband A/F - Bank 1 (AF1)... ( lotsa other programmed choices a button-push away):
And as stated (and shown) numerous times previous, as ye approaches ye still-safe limits, the actual trans fluid temp number will display above the factory gauge on thet thar fayncy 502A+ 8" productivity screen.
Lastly - while it is indeed nice to know the number, Mercon LV is an excellent fluid with very high limits, and 6R80's like to run hot by design. It's more likely fer ye engine to overheat and go into failsafe than toasting yer trans fluid - UNLESS you are operating outside of design limits while towing. And other than keeping within limits, and pulling over fer a cooldown on that 8 percent grade with 15,000 lbs of overloaded risk behind you (engine running! - need to keep fluids circulating), it's not really a user-controllable value (remember - the trans has internal thermostat control bypass valving).
Jeebus ... #firstworldproblems ..... spend the extry ~ $150 or so on a SGII or an Ultragauge er whut-all-ever if it's gonna wad ye frilly l'il panties this much.
BTW - pestering tuning shops to make this change be an exercise in futility - ain't ever gonna happen - no access. Nosiree, Cooter.
One mer thang - Fer those whut care (the minority) - hyur be the 6R80 Tech Man-well - fer folks wif attention spans longer'n 30 seconds er so (again - the minority, lol):
Jeebus ... #firstworldproblems ..... spend the extry ~ $150 or so on a SGII or an Ultragauge er whut-all-ever if it's gonna wad ye frilly l'il panties this much.
So with the 502A package you need to buy an aftermarket gauge to display tranny temp? At least you got those fancy headlights..LOL
This is how I remembered mine looking. As I said I don't normally display the trans temperature as I'd rather have the boost gauge showing. I do recall my trip gauges looking like that.