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P0742 Diagnostic Trouble Code Discussion for March 2011

TCC System - Stuck On

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Trouble Ticket Help Requests for DTC P0742
Help Request Posted
2004 Pontiac Grand Prix GTP 3.8L Cuts out, MIL Lamp on VIN: 2G2WR52474
P0742: TCC System - Stuck On. Car has codes PO651 & PO742. Baro & AC press sensors both have 5 volt reference. TCC release sensor will not release according to scanner.Unplug 10 pin at trans still shows not released.Also occasionally door locks lock & unlock when connecting &am...
March 01, 2011
2005 Chevrolet Cobalt 2.2L MIL Lamp on VIN: 1G1AK52F85
P0742: TCC System - Stuck On. ... but want to give as much information as i can.This vehicle came in with no electric assist steering and trans shifting poorly and also would try to die at stop signs.When i went to drive it the steering was not working but when i tried to turn it real hard...
March 10, 2011