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JB4 Maps?

1BadTundra

Seasoned Member
Joined
Oct 24, 2022
Messages
193
Location
York PA
V-Series Cadillac(s)?
2022 CT4 BlackWing
Anyone have a current list of JB4 maps for the 4BW?
 
MAP 0 Stock
MAP 1 91 octane
MAP 2 93 Octane
MAP 3 E30 (According to Scott from TapOut tuning, they never tested ethanol with the JB4)
MAP 6 Custom Map
 
The firmware should already be updated for our cars when it ships to us.

Maybe @Tapout can chime in and verify which firmware file it needs to be.
 
It's always best to run the latest firmware.
 
@wonttap

Can you verify which firmware is the latest?

On my app it says that I have

74/4//5 installed.

When browsing for new updated versions there's a Stable, Beta, and Alpha listed.

The files are named:
JB4_P74_Cadillac_4.hex - Stable
JB4_P74_Cadillac_5.hex - Beta
JB4_P74_Cadillac_6.hex - Alpha.

I don't want to overwrite what's already flashed on the JB4 from you guys just Incase you have your own firmware that you developed.
 

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Sorry, but I'm not sure. We always just use whatever is loaded in the modules when we receive them.
 
I have tried the 4, 5 versions with no mph changes at the track, same day. Also tried map 3 with about a 25% ethanol blend and it was .4 down mph wise in better weather compared to map2 and 93 with boostane. Have not tried version 6 but I did just download it.
 

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