transmission

2003 CHEVROLET TAHOE
145 MILES • V8 • 2WD • AUTOMATIC
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SUAVZE
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i have 2003 chevy tahoe that outta nowhere the transmission wont shift into 2nd or 3rd gear, i put on diagnostic machine n it reads nothing just my cadillac converter that i chopped for the tuff engine noise but nothing about the trans....help?
Dec 14, 2010 at 11:27 PM
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MHPAUTOS
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With no electrical fault codes this will be a mechanical problem , possibly a stuck shift valve in the valve body, i would get a trans tech to check this a bit further, do not go pulling the vale body unless you know exactly what you are doing.

mark (mhpautos)
Dec 21, 2010 at 8:44 PM
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