Transmission Control Module --, AQ300-8F (8 SPEED) 09S (2021/2022 MY): Notes

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
Shift Solenoid
SC2	P0974 - Shift Solenoid "A" Control Circuit High	Conduction check in ON/OFF solenoid. Output Shorted High and Open Circuit check	Comparison of the signal of solenoid monitor and solenoid driver output	Wrong solenoid driver output signal	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	20 ms 5 times	2 DCY
SC3 +B short / Open	P0977 - Shift Solenoid "B" Control Circuit High
SL	P0999 - Shift Solenoid "F" Control Circuit High
SC2	P0973 - Shift Solenoid "A" Control Circuit Low	Conduction check in ON/OFF solenoid. Output Shorted Low check	Comparison of the signal of solenoid monitor and solenoid driver output	Wrong solenoid driver output signal	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	20 ms 5 times
SC3 GND short	P0976 - Shift Solenoid "B" Control Circuit Low
SL	P0998 - Shift Solenoid "F" Control Circuit Low
Pressure Control Solenoid
SLT	P0748 - Pressure Control Solenoid "A" Electrical	Linear solenoid feedback current Output Functional check	Comparison of target current and Feedback current	Sum of difference of two current > 30000 mA or Absolute value of the difference of two current >= 50 mA for 2000 ms continuously	Ignition Battery voltage Battery voltage Linear solenoid driver Malfunction	ON >= 9 V <=17 V No fault	1 Time	2 DCY
SL5	P0778 - Pressure Control Solenoid "B" Electrical
SL6	P2810 - Pressure Control Solenoid "G" Electrical
SL1 stuck	P0798 - Pressure Control Solenoid "C" Electrical
SL2	P2716 - Pressure Control Solenoid "D" Electrical
SL3	P2725 - Pressure Control Solenoid "E" Electrical
SL4	P2734 - Pressure Control Solenoid "F" Electrical
SLU	P2759 - Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical
SLT	P0963 - Pressure Control Solenoid "A" Control Circuit High	Solenoid driver Hardware Output Shorted High check	Driver IC hardware detection flag	Driver IC battery short flag detection	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	100 ms
SL5	P0777 - Pressure Control Solenoid "B" Stuck On
SL6	P2809 - Pressure Control Solenoid "G" Stuck On
SL1 +B short	P0797 - Pressure Control Solenoid "C" Stuck On
SL2	P2715 - Pressure Control Solenoid "D" Stuck On
SL3	P2724 - Pressure Control Solenoid "E" Stuck On
SL4	P2733 - Pressure Control Solenoid "F" Stuck On
SLU	P2758 - Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On
SLT	P0962 - Pressure Control Solenoid "A" Control Circuit Low	Solenoid driver Hardware Output Shorted Low check	Driver IC GND short flag detection				Ignition Battery voltage Battery voltage	ON >=9 V <= 17 V	20 ms 5 times
SL5	P0776 - Pressure Control Solenoid "B" Performance/Stuck Off
SL6	P2808 - Pressure Control Solenoid "G" Performance/Stuck Off
SL1 GND short	P0796 - Pressure Control Solenoid "C" Performance/Stuck Off
SL2	P2714 - Pressure Control Solenoid "D" Performance/Stuck Off
SL3	P2723 - Pressure Control Solenoid "E" Performance/Stuck Off
SL4	P2732 - Pressure Control Solenoid "F" Performance/Stuck Off
SLU	P2757 - Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off
SLT	P0960 - Pressure Control Solenoid "A" Control Circuit/Open	Linear solenoid feedback current Output Open Circuit check	Feedback current	Feedback current < 20 mA	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	100 ms
SL5	P0964 - Pressure Control Solenoid "B" Control Circuit/Open
SL6	P2812 - Pressure Control Solenoid "G" Control Circuit/Open
SL1 open	P0968 - Pressure Control Solenoid "C" Control Circuit/Open
SL2	P2718 - Pressure Control Solenoid "D" Control Circuit/Open
SL3	P2727 - Pressure Control Solenoid "E" Control Circuit/Open
SL4	P2736 - Pressure Control Solenoid "F" Control Circuit/Open
SLU	P2761 - Torque Converter Clutch Pressure Control Solenoid Control Circuit/Open
Solenoid driver communication
Driver IC communication error	P0702 - Transmission Control System Electrical	Solenoid driver IC Communication Loss/Errors check	Checksum detection	Calculated checksum error of signal from Linear solenoid driver	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	80 ms	2 DCY

Table continues below.

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
Speed sensor
Output speed sensor GND short / Open	P19AB - Output Speed Sensor Intermittent/Circuit Low	Input Out-of-Range Low and Open Circuit check	Detection of wrong input AD value	AD value < 45	Ignition Battery voltage Battery voltage	ON >=9 V <= 17 V	20 ms 26 times	2 DCY
Output speed sensor B+ short	P077D - Output Shaft Speed Sensor Circuit High	Input Out-of-Range High check	Detection of wrong input AD value	AD value > 545	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	20 ms 26 times
Output speed sensor No pulse	P0721 - Output Shaft Speed Sensor Circuit Range/Performance	Input Rationality Low check	Comparison pulse of input revolution and output revolution	No pulse of output sensor during 11 pulses of input sensor	Engine speed	400 rpm	500 ms
					Ignition Battery voltage Battery voltage			ON >= 9 V <= 17 V
					Emergency mode			Deactive
					Garage shifting			None
					Time after garage shifting			>= T_GarageFin
					Neutral control			None
					Time after Neutral control			>= T_NConFin
					Shifting			None
					Time after shifting			>= T_ShiftFin
					C1 OFF control			None
					Time after C1 OFF control			>=T_C1ctrlFin
					C2 OFF control			None
					Time after C2 OFF control			>=T_C3ctrlFin
					Power supply cut for linear solenoids (SL1, SL2, SL3, SL4, SL5, SL6, SLT) and SC2 solenoid driver outputs ON signal			FALSCH
					Time after (Solenoid cut condition (SL1, SL2, SL3, SL4, SL5, SL6, SLT) and SC2 solenoid driver outputs ON signal)			>= 8 s
					Transmission internal range			D (including S)
					Input speed sensor			No fault
					SC2, SC3, SLC1, SLC2, SLC3, SLC4, SL5, SL6, SLT			No fault
					out Rpm NC1			>= 600 rpm
					Output speed sensor electrical failure			No fault
Input speed sensor GND short / Open	P19AA - Input/Turbine Speed Sensor Intermittent/Circuit Low	Input Out-of-Range Low and Open Circuit check	Detection of wrong input AD value	AD value < 45	Ignition Battery voltage Battery voltage	ON >=9 V <= 17 V	20 ms 26 times
Input speed sensor B+ short	P07C0 - Input/Turbine Shaft Speed Sensor "A" Circuit High	Input Out-of-Range High check	Detection of wrong input AD value	AD value > 545	Ignition Battery voltage Battery voltage	ON >= 9 V <= 17 V	20 ms 26 times
Input speed sensor No pulse	P0716 - Input/Turbine Shaft Speed Sensor "A" Circuit Range/Performance	Input Rationality Low check	Comparison pulse of input revolution and output revolution	No pulse of input sensor during 28 pulses of output sensor	Engine speed	400 rpm	500 ms
					Ignition Battery voltage Battery voltage			ON >=9 V <= 17 V
					Output speed sensor			No fault
					Output speed			>= 300 rpm
					Input speed sensor electrical failure			No fault

Table continues below.

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
Oil temperature sensor
Oil temperature sensor Stuck	P0710 - Transmission Fluid Temperature Sensor "A" Circuit	Input Rationality Low check	Detection of wrong input temperature value	Measurement block shows Value 30° C and doesn't change this value by 1° C	oil temp.	-55° C to 200° C	15 min.	2 DCY
					Engine speed			400 rpm
					Transmission internal range Ignition Battery voltage Battery voltage CAN Emergency mode			D (including S), R ON >= 9 V <= 17 V Active Deactive
Oil temperature sensor High Stuck	P0710 - Transmission Fluid Temperature Sensor "A" Circuit	Input Rationality High check	Measurement block shows Value > 120° C				EG coolant temp. was after EG coolant temp. was Ignition Battery voltage Battery voltage CAN	>= 50° C for 10 s < 45° C for 10 s ON >= 9 V <= 17 V Active	10 ms
					EG coolant temp			No fault
Oil temperature sensor GND short	P0712 - Transmission Fluid Temperature Sensor "A" Circuit Low	Input Out-of-Range High check	Measurement block shows Value > 200° C				Ignition Battery voltage Battery voltage CAN	ON >= 9 V <= 17 V Active	5 s
Oil temperature sensor Battery short / open	P0713 - Transmission Fluid Temperature Sensor "A" Circuit High	Input Out-of-Range Low and Open Circuit check	Measurement block shows Value < -55° C				Range Ignition Battery voltage Battery voltage Engine speed CAN	D, S ON >= 9 V <= 17 V 400 rpm Active	10 s
Microcontroller Hardware
Flash ROM	P0700 - Transmission Control System (MIL Request)	Input Other Rationality check	Comparison of stored checksum value and calculated checksum	Two checksum values are not the same.	Ignition	ON	1 Time	2 DCY
DataFlash	P0700 - Transmission Control System (MIL Request)	Input Other Rationality check	Comparison of stored checksum value and calculated checksum	Two checksum values are not the same.	Ignition	ON
Random Access Memory	P0700 - Transmission Control System (MIL Request)	Input Other Rationality check	Comparison of writing data and reading data.	Writing data is different from reading one.	Ignition	ON

Table continues below.

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
Functional Safety
High braking torque detection	P2711 - Unexpected Mechanical Gear Disengagement	Input Other Rationality for check solenoid state	Check of solenoid state pattern and input torque	To detect braking torque > 1055 Nm	Ignition	ON	700 ms	2 DCY
Wrong gear select detection(by New Gear)	P0613 - TCM Processor	Input Other Rationality for check target gear	Detection of wrong target gear	target gear < allowed lowest gear	Ignition	ON	150 ms
Wrong gear select detection(by Solenoid Gear)	P0613 - TCM Processor	Input Other Rationality for check solenoid state	Detection of wrong solenoid state pattern	gear judged from solenoid pattern < allowed lowest gear	Ignition	ON	150 ms
Wrong gear select detection(by Engine PRM)	P0613 - TCM Processor	Input Other Rationality for check engine speed	Detection of engine over revolution	engine speed > over revolution value x 1.05	Ignition	ON	150 ms
Wrong direction engagement detection	P0613 - TCM Processor	Input Other Rationality for check solenoid state	Detection of wrong solenoid state pattern	range judged from solenoid pattern is different from driver request range.	Ignition	ON	200 ms
Safe state impossible detection	P0613 - TCM Processor	Input Other Rationality check	Detection of linear solenoid feedback current when power supply for linear solenoid is cut or Comparison of the signal of solenoid monitor and solenoid driver output	linear solenoid feedback current > 20 mA Wrong solenoid driver signal for 2000 ms continuously	Ignition	ON	1 Time
CPU core check	P0613 - TCM Processor	Input Other Rationality check	To detect a CPU processing error	Abnormal CPU processing is detected by using a micro controller function	Ignition	ON	1 Time
ROM check	P0613 - TCM Processor	Input Other Rationality check	To detect an error about the ROM	ROM error is detected by using the micro controller functions and software function.	Ignition	ON	1 Time
RAM data protection	P0613 - TCM Processor	Input Other Rationality check	To check detect about the RAM	ROM error is detected by using the micro controller functions and software functions.	Ignition	ON	1 Time
Communication data check	P0613 - TCM Processor	Input Other Rationality check	To detect the error by checking the communication between Central Processing Unit (CPU) and Peripheral Control Unit (PCU)	Error is detected by checking the communication between CPU and PCU.	Ignition	ON	1 Time
Program flow check	P0613 - TCM Processor	Input Other Rationality for TCM program miscalculation check	To detect TCM program flow problem	Comparison of processing address and pre-defined address.	Ignition	ON	1 Time
Clock monitoring	P0613 - TCM Processor	Input Other Rationality check	To detect an error about the clock	Clock error is detected by using the micro controller function.	Ignition	ON	1 Time
Built in Self Test (BIST)	P0613 - TCM Processor	Input Other Rationality check	To detect errors of error detection functions	BIST error is detected by using the micro controller function.	Ignition	ON	1 Time

Table continues below.

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
CAN
Bus off	U0001 - High Speed CAN Communication Bus	Digital Input Communication Loss/Errors check	Detection of CAN controller states	CAN controller becomes Bus off.	Communication initialization	WAHR	1 Time	2 DCY
ECU no communication (640h)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >=9 V <= 17 V	max. 5000 ms**
ECU no communication (0A7h)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU no communication (0A8h)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU no communication (121h)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU no communication (641h)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU no communication (391h)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU no communication (3BEh)	U0100 - Lost Communication With ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of communication error	ECU no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
Waehlhebel No Communication (0AFh)	U0103 - Lost Communication With Gear Shift Control Module "A"	Digital Input Communication Loss/Errors check	Detection of communication error	Waehlhebel no communication	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU Message Counter Error (0A7h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal data freeze	Message counter not updated	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU Message Counter Error (0A8h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal data freeze	Message counter not updated	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU Message Counter Error (121h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal data freeze	Message counter not updated	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU Message Counter Error (641h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal data freeze	Message counter not updated	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
Waehlhebel Message Counter Error (0AFh)	U0404 - Invalid Data Received From Gear Shift Control Module "A"	Digital Input Communication Loss/Errors check	Waehlhebel signal data freeze	Message counter not updated	CAN Ignition Battery voltage Battery voltage	Active ON >= 9 V <= 17 V	max. 5000 ms**
ECU Check sum (0A7h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal check sum error	Wrong check sum value in 2 messages	Ignition	ON	max. 5000 ms**
ECU Check sum (0A8h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal check sum error	Wrong check sum value in 2 messages	Ignition	ON	max. 5000 ms**

Table continues below.

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
ECU Check sum (121h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal check sum error	Wrong check sum value in 2 messages	Ignition	ON	max. 5000 ms**	2 DCY
ECU Check sum (641h)	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	ECU signal check sum error	Wrong check sum value in 2 messages	Ignition	ON	max. 5000 ms**
Accelerator undefined	U0401 - Invalid Data Received From ECM/PCM "A"	Digital Input Communication Loss/Errors check	Detection of error signal	0xFF	CAN Ignition Battery voltage Battery voltage ECU communication ECU data update	Active ON >= 9 V <= 17 V Active Active	20 ms 13 times
ECU wrong level	U0301 - Software Incompatibility With ECM/PCM	Digital Input Communication Loss/Errors check	Detection of error signal	Transmission coding is manual transmission code (0Fh) or CAN sinal: Motor code <> as expected Motor power <> as expected	CAN Ignition Battery voltage Battery voltage ECU communication ECU data update	Active ON >= 9 V <= 17 V Active Active	1000 ms 2 times
Longitudinal G sensor malfunction check	C0062 - Longitudinal Acceleration Sensor	CAN receive data check	Comparison of CAN ax signal to TCU calculated value	To calculate signal difference of >3%8% (quick rating)	CAN bus Brake communication	Active Active	11.5 km 4 km
CAN Shift Lever
Lever position Undefined	P0919 - Gear Shift Position Control Error	Digital Input Communication Loss/Errors check	Detection of error signal	0x0F	CAN Ignition Battery voltage Battery voltage Shift lever communication	Active ON>=9V<=17V Active	20 ms 16 times	2 DCY
Lever position QA failure	P0919 - Gear Shift Position Control Error	Digital Input Communication Loss/Errors check	Detection of error signal	Q&A check result mismatch	CAN Ignition Battery voltage Battery voltage Shift lever communication	Active ON >= 9 V <= 17 V Active	20 ms 16 times	2 DCY
Shift Lock CAN invalid failure	P0919 - Gear Shift Position Control Error	Digital Input Communication Loss/Errors check	Detection of error signal	0x07	CAN Ignition Battery voltage Battery voltage Shift lever communication	Active ON >= 9 V <= 17 V Active	20 ms 16 times
Tip CAN invalid failure	P0919 - Gear Shift Position Control Error	Digital Input Communication Loss/Errors check	Detection of error signal	16 or 32 or 64	CAN Ignition Battery voltage Battery voltage Shift lever communication	Active ON >= 9 V <= 17 V Active	20 ms 16 times
Functional lock up control
Lock up control	P0741 - Torque Converter Clutch Circuit Performance/Stuck Off	Lock up off Output Functional check	Comparison of engine rpm and input rpm	Engine rpm - input rpm > SS_LupOFFfail	Engine speed Engine speed	400 rpm< 4000 rpm	Time_LupOff_fail 6 times	2 DCY
					Ignition Battery voltage Battery voltage			ON>=9V<=17V
					Shift Lever			D
					Linear solenoid(SLU)			No fault
					SL solenoid			No fault
					SL solenoid output			OFF
					Estimated engine torque			>= 0 Nm
					Input speed sensor			No back up condition
					SLU target current			>= 1000 mA
					Time after above SLU target current condition			>= Time_SLU_Full
					Accelerator pedal			No fault
					Common parameter (see footnote)Footnote:			common condition(see footnote)Footnote:

Table continues below.

Component / System	Fault Code	Monitor Strategy	Malfunction Criteria	Threshold Value	Secondary Parameters	Enable Conditions	Monitor Time Length/Frequency of Checks	MIL Illum.
Gear ratio error
1st gear	P0731 - Gear 1 Incorrect Ratio	Input and output rpm signal check. Separate error memory for each gear.	Comparison of indicated slip and actual slip with stored values	Clutch not release abs (1 - current gear ratio/other gear ratio) < 0.04 or Clutch not engage abs (input rev. - output rev. x expected gear ratio) > 400 rpm or Unusual shifting Shift progress ratio < 10% during shifting	Engine speed	400 rpm	Clutch not release 500 ms 5 times cumulative or Clutch not engage 1 sec 5 times cumulative or Unusual shifting 5 counts cumulative	2 DCY
			2nd gear	P0732 - Gear 2 Incorrect Ratio	Ignition			ON
			3rd gear	P0733 - Gear 3 Incorrect Ratio	Battery voltage			>= 9 V
			4th gear	P0734 - Gear 4 Incorrect Ratio	Battery voltage			<= 17 V
			5th gear	P0735 - Gear 5 Incorrect Ratio	Output rev. for Clutch not release for Clutch not engage for Unusual shifting			60 rpm 0 rpm 300 rpm
			6th gear	P0729 - Gear 6 Incorrect Ratio	Input torque for Clutch not release for Clutch not engage for Unusual shifting			(>= 30 Nm or <=-20 Nm) (>= 30 Nm or <=-20 Nm) (>= Torque_fail_ON or<= Torque_fail_OFF)
			7th gear	P076F - Gear 7 Incorrect Ratio	Accelerator pedal for Clutch not release of 1st Gear			>=0.1%
			8th gear	P07D9 - Gear 8 Incorrect Ratio	Engine torque for Clutch not release of 1st Gear			>= 60 Nm
					Transmission internal range		D (including S)
					Time after neutral control		>= T_NConFin
					Input speed sensor		No back up condition
					Output speed sensor		No back up condition
					Quick stop condition		FALSCH
					Common parameter (see footnote)Footnote:		common condition(see footnote)Footnote: