The torque converter clutch is remaining engaged when it should release. This can cause the engine to stall when coming to a stop as the torque converter cannot slip.
Find certified mechanics near you who can diagnose and repair P0742.
For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.