GM Service Manual Online
For 1990-2009 cars only

Trans Cal.

Normal (Default)

Percent Throttle

12.5

25

50

75

100

Km/h

mph

Km/h

mph

Km/h

mph

Km/h

mph

Km/h

mph

1-2 Upshift

17.7

11

21.7

13.5

47.5

29.5

62.8

39

66.8

41.5

2-3 Upshift

25.7

16

35.4

22

74.0

46

98.2

61

114.3

71

3-4 Upshift

38.6

24

53.9

33.5

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--

--

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2-1 Down Shift

16.1

10

16.1

10

16.1

10

16.1

10

58.7

36.5

3-2 Down Shift

16.1

10

16.1

10

45.1

28

75.6

47

108.6

67.5

4-3 Down Shift

35.4

22

35.4

22

61.2

38

118.3

73.5

--

--

TCC Apply 4th Gear

62.0

38.5

74.0

46

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--

--

--

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Body: Hummer H2

Engine: 6.0L (LQ4) 4L65E (M32)

4.10:1 Final Drive