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Question about 2003 Chevrolet Malibu

Code po742& po717

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The code po742 is stuck on and po717 no signal

2003 Chevrolet Malibu Logo

3 Suggested Answers Relevant answers from similar questions that we feel might be a fix.

i have the same problem, what can i do to fix it?

Source: Chevy impala diagnostic code PO742

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You need to take it to a dealership and have them hook up a Tech 2 to see if you need a new torque converter or a TCC solenoid for example.

Source: Code PO742 TCC System in

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  • Aaron67
  • 95 Answers
  • March 21, 2010

Not likely. You can cut power to reset computer, but if problem is still ther then it will reset the code. Here is a link that may help you.
http://tripleedgeperformance.com/Harsh_shifts__P0742.html

Source: 03 Impala LS 3.8- code PO742 convertor stuck on

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