P0741
Lock-Up Function Defective
Fault Symptoms
CHECK GEARBOX warning lamp on.
Lock-up function disconnected.
Conditions
The difference between engine speed and the transmission's input shaft speed is greater than 100 rpm for 10 seconds.
Diagnosis will not be performed if:
- The engine is idling or running at more than 4000 rpm.
- Diagnostic trouble code P1921 or P0717 has been generated.
- Less than 5 seconds has elapsed since shifting occurred.
Diagnostic Help
Check the cable to the Lock-up solenoid. Under certain driving conditions, DTC P0741 can be generated if there is an open circuit in the cable.