Gear comparison negative (several times), ME-SFI fault code description - AD07.61-P-4000-33M

Transmission 722.6 

		Gear comparison (multiple times) negative
1	Fault code (Fault code according to OBD)	P206D (P0730)
2	Fault storage	After expiry of test duration and fault
	Actuation of engine diagnosis indicator lamp (EURO4) or CHECK ENGINE (MIL)	Following two successive driving cycles with faults
3	Checking frequency	Continuous
4	Checked signal or status	Comparison of RPM signals
5	Fault setting conditions	Comparison of detected gear and switched gear (calculated transmission ratio) negative at least 6 times
6	Check prerequisites	2nd, 3rd, 4th or 5th gear detected Engine speed greater than 400 RPM Speed of output shaft in excess of 180 RPM (equal to approx. 20 km/h) No shift operation.
7		The gear ratios are calculated from the following parameters: RPM signal n2, RPM signal n3 and output shaft RPM (determined from the rear wheel speed). Faults are detected by the EGS control unit (N15/3) and reported to the ME-SFI [ME] control unit via the CAN data bus.N3/10 Fault storage and actuation of the CHECK ENGINE indicator lamp (MIL) take place via the ME-SFI [ME] control unit. Also read out ETC [EGS] fault memory.