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Old 12-27-2014, 03:13 PM   #1
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Default trans code 742

2002 Bonneville ssei every couple weeks trans gets jerky seems like your in to high of gear . then it will have code 742. then it will go away for a week or two. what is involved to repair this?
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Old 12-27-2014, 11:34 PM   #2
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P0742 may cause full line pressure apply, causing harsh shifts....

Usually is, tcc stays engaged...could be bad TCC solenoid, fluid circuit, harness, etc.
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