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P0742

DTC P0742: TCC (Lock-Up) Solenoid Valve Performance Stuck On (for Vehicle with ORVR System)





DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure

WARNING:
^ When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
^ Road test should be carried out with 2 persons, a driver and a tester, on a level road.


1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTC, pending DTC and freeze frame data in PCM memory by using scan tool and check fuel level meter indication is 1/4 or more.
3) Start engine, warm it up to normal operating temperature and shift transfer lever to "2H" or "4H" range.
4) Increase vehicle speed with D range, and check that gear position changes from 1st to 2nd and keep driving about 20 mph, 30 km/h in 2nd of "D" range for 10 seconds. (Throttle valve should be not at idle position and the opening should be kept constant in this step.)
5) Keep driving about, 80 km/h (50 mph) in 4th of "D" range for 10 seconds.
6) Release accelerator pedal, decrease vehicle speed and stop vehicle.
7) Check pending DTC and DTC by using scan tool.





DTC Troubleshooting