2008 OTHER HUMMER MODELS WHILE PULLING HEAVY ...

2008 Hummer

Tiny

shawnpat

January, 15, 2009 AT 12:04 PM

2008 Other Hummer Models

while pulling heavy loads what causes an electronic transmission to down shift to 1st gear and prevents upshift?

FOUND 1408 RELATED QUESTIONS

1 Answer

Tiny

Dr Loot

February, 19, 2009 AT 9:44 PM

The throttle pressure needs to be readjusted, I don't think you can handle the operation operation, take it to a transmission shop they will do it for free.

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