VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)

DTC	Detail code No.	Display	Content of diagnosis	Reference target
—		Communication for initialization impossible	Subaru Select Monitor communication failure
—		No DTC	Even when the DTC is not displayed on the Subaru Select Monitor display, the ABS warning light, VDC warning light/VDC OFF indicator light and VDC operation indicator light do not come on.
—		No DTC	Even when the DTC is not displayed on the Subaru Select Monitor display, the ABS warning light, VDC warning light/VDC OFF indicator light and brake warning light (EBD warning light) do not come on.
—		No DTC	Even when the DTC is not displayed on the Subaru Select Monitor display, the VDC operation indicator light does not extinguish.
21	6A0XH	Front Right ABS Sensor Circuit Open or Shorted Battery	Open or Short Circuit in Front ABS Wheel Speed Sensor RH Circuit
22	68CXH 68EXH 690XH 694XH	Front Right ABS Wheel Sensor Signal Malfunction	Front ABS wheel speed sensor RH signal error
23	620XH	Front Left ABS Sensor Circuit Open or Shorted Battery	Open or Short Circuit in Front ABS Wheel Speed Sensor LH Circuit
24	60CXH 60EXH 610XH 614XH	Front Left ABS Wheel Speed Sensor Signal Malfunction	Front ABS wheel speed sensor LH signal error
25	660XH	Open/High Input of Rear ABS Wheel Speed Sensor RH	Open or Short Circuit in Rear ABS Wheel Speed Sensor RH Circuit
26	64CXH 64EXH 650XH 654XH	Rear Right ABS Wheel Speed Sensor Signal Malfunction	Rear ABS wheel speed sensor RH signal error
27	6E0XH	Open/High Input of Rear ABS Wheel Speed Sensor LH	Open or Short Circuit in Rear ABS Wheel Speed Sensor LH Circuit
28	6CCXH 6CEXH 6D0XH 6D4XH	Rear Left ABS Wheel Speed Sensor Signal Malfunction	Rear ABS wheel speed sensor LH signal error
29	604XH 606XH 608XH 644XH 646XH 648XH 684XH 686XH 688XH 6C4XH 6C6XH 6C8XH 702XH 704XH 720XH 70CXH	Any One of Four ABS Sensors Signal	One sensor signal error of any of the four ABS wheel speed sensors
31	320XH	FR hold valve malfunction	Front inlet solenoid valve RH malfunction
32	360XH	FR pressure reducing valve malfunction	Front outlet solenoid valve RH malfunction
33	220XH	FL hold valve malfunction	Front inlet solenoid valve LH malfunction
34	260XH	FL pressure reducing valve malfunction	Front outlet solenoid valve LH malfunction
35	2A0XH	RR hold valve malfunction	Rear inlet solenoid valve RH malfunction
36	2E0XH	RR pressure reducing valve malfunction	Rear outlet solenoid valve RH malfunction
37	3A0XH	RL hold valve malfunction	Rear inlet solenoid valve LH malfunction
38	3E0XH	RL pressure reducing valve malfunction	Rear outlet solenoid valve LH malfunction
41	000XH 002XH 004XH 006XH 014XH 016XH 018XH 024XH 026XH 028XH 02CXH 02EXH 030XH 03AXH 03EXH 034XH 036XH 038XH 9D4XH 9E0XH	ECM	VDCCM malfunction
42	7CEXH 7D0XH	Low power supply voltage	Power supply voltage malfunction
44	9A0XH	AT communication	TCM communication line malfunction
45	970XH	Different control module specification	Incorrect VDCCM
45	972XH	AT ECM	TCM error specifications
46	9CEXH	5 V power supply	5 V power supply voltage error
47	788XH 78CXH 7A0XH 7A4XH	Improper CAN communication	Defective CAN communication line
51	048XH	Valve relay OFF malfunction	Defective valve relay
	064XH	Valve relay ON malfunction
	06AXH	Valve relay test malfunction
52	5A0XH	Motor/Motor relay OFF malfunction	Defective motor and motor relay OFF
	58EXH	Motor/Motor relay ON malfunction	Defective motor and motor relay ON
	58CXH	Motor	Defective motor
57	820XH	EGI ECM signal	ECM communication malfunction
61	4A0XH	VDC switching valve 1 (S)	Secondary cut valve malfunction
62	4E0XH	VDC switching valve 1 (P)	Primary cut valve malfunction
63	520XH	VDC switching valve 2 (S)	Secondary suction valve malfunction
64	560XH	VDC switching valve 2 (P)	Primary suction valve malfunction
71	148XH	Steering angle sensor offset is too big	The steering angle sensor offset is too large.
	14AXH	Change range of steering angle sensor is too big	The steering angle sensor change range is too large.
	142XH 144XH 146XH 158XH 15AXH 15CXH 15EXH	Steering angle sensor output	Defective steering angle sensor
	14CXH 14EXH 150XH 152XH 160XH	No signal from steering angle sensor	Signals from the steering angle sensor are not sent.
72	180XH 182XH 184XH 186XH 188XH 18BXH 18EXH 190XH 192XH 194XH 196XH 198XH 19AXH	Yaw rate sensor output	Yaw rate sensor output error
	1A0XH	Yaw rate sensor power/output	Voltage input to the yaw rate sensor exceeds specifications.
	19CXH	Yaw rate sensor reference	Yaw rate sensor reference voltage malfunction
	18CXH	Excessive variation amount of yaw rate sensor output	The yaw rate sensor signal change range is too large.
73	1C8XH 1CAXH	Excessive amount of lateral G sensor output offset	The lateral G sensor offset is too large.
	1C0XH 1C6XH 1D8XH	Lateral G sensor output	Lateral G sensor output malfunction
	1CCXH	Excessive variation amount of lateral G sensor output	The lateral G sensor change range is too large.
	1D2XH	Excessive lateral G sensor output	Excessive Lateral G Sensor Signal
	1E0XH	Lateral G sensor power/output	Voltage input to the lateral G sensor exceeds specifications.
74	120XH	Primary pressure sensor power/output	Voltage input to the primary pressure sensor exceeds specifications.
	122XH	Secondary pressure sensor power/output	Voltage input to the secondary pressure sensor exceeds specifications.
	110XH	Primary pressure sensor offset is too big	The primary pressure sensor offset is too big.
	112XH	Secondary pressure sensor offset is too big	The secondary pressure sensor offset is too big.
	10AXH	Differential pressure of pressure sensor is too big	The differential pressure of the pressure sensor is too big.

If either of the following multiple of DTC are in the memory, check the part that corresponds to the first DTC. If a problem is not detected, check the portions that correspond to the other DTC in the order that the codes appear.

Combination of DTC	Problem portions	Reference target
46 5 V power supply voltage error 74 Voltage input to the pressure sensor exceeds specifications.	(B310) — No. 77 lead circuit is shorted to the ground or battery.
44 TCM communication circuit 71 Signals from the steering angle sensor are not sent.	(B310) — No. 83 or 81 lead circuits are open.
51 Valve relay 71 Signals from the steering angle sensor are not sent.	(B310) — No. 27 lead circuit is open.
71 Signals from the steering angle sensor are not sent. 51 Valve relay 44 TCM communication circuit	(B310) — No. 27 lead circuit is open.
73 Voltage input to the lateral G sensor exceeds specifications. 72 Voltage input to the yaw rate sensor exceeds specifications.	(B310) — No. 50 lead circuit is open.