Buick Repair Questions? Ask a Mechanic for Answers ASAP
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did it make any noise ??
a broken axle could cause this.
if there is no broken axle, then check the fluid level to be sure there is enough fluid in the trans.
other than that, it is an internal failure in the trans. it will have to be removed and inspected for the failure
no, there is no cable, it is all electronic controlled
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ok, then it is definitely internal. the trans will have to rebuilt or replaced