1999 Chevy Venture P0742 Code

1999 CHEVROLET VENTURE
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NATHAN7727
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Transmission problem
1999 Chevy Venture V6 Front Wheel Drive Automatic 128000 miles
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My wife's '99 Venture has been shifting a little harshly between all gears and just two days ago the "Service Engine Soon" light came on.

I took it to Autozone for a free code scan and it came back with P0742, which is (for GM) a "TCC stuck on" defined code. Some probably causes were listed as:
(1) TCC solenoid failure.
(2) Open or short circuit condition.
(3) Blocked passage in transmission.
(4) Check transmission range switch for proper operation.

How can I test for any of these problems at home? Money is awful tight here at Christmas.
THANKS...
Dec 10, 2007 at 10:50 AM
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SERVICE WRITER
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Without a scanner that can control electrical features, I don't know how much you can do, short of tryng parts. IF you haven't changed the filter often enough and the fluid, there may be sediment trapped causing the condition.
Dec 10, 2007 at 11:02 AM
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