Fault code description - ME-SFI - torque converter lockup clutch - AD07.61-P-4000-34A

1	Fault code	P0740
2	Fault storage	after the end of the test period and faults
	Activation of malfunction indicator lamp for engine diagnosis (EURO3/4) or CHECK ENGINE (MIL)	after two successive driving cycles with faults
3	Frequency of the test	continuous
4	Checked signal or status	Friction coefficient for torque converter lockup clutch (KUB)
5	Fault setting conditions	With engaged torque converter lockup clutch (KUB), the friction coefficient is calculated by rotational speed comparisons. If this is outside the tolerance a number of times, a fault is detected.
6		Faults are detected by the ETC control module and sent via the CAN data bus to the ME-SFI control module. The faults are stored and the malfunction indicator lamp is activated by the ME-SFI control module. Also read out ETC diagnostic trouble code memory, fault code 53.