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18Duramax
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9 Posts
Discussion Starter · #1 ·
This is in drive
#1 -1.4
#2 -3.2
#3 -0.3
#4 3.2
#5 2.0
#6 1.5
#7 -1.9
#8 -0.4
This is in park
0.1
-2.3
0.1
2.2
1.8
1.1
-1.4
0.3
Truck throws P0304 code
And hesitates at 45 mph and stability trac light comes on
Seems to run and shift fine until about 3rd 4th gear babying it
Edge Pulsar v3 Tuner with cts3
2018 L5P Duramax
 

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7,473 Posts
Balance rates need to be in the -4.0 to +4.0 so you look good. remove anything plugged into the DLC diagnostic port and see if anything changes.
 
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