IEV7S (e-S2 High Voltage System DTC Description)

S.N	System	Full name	Remark
1	VCU	Vehicle Control Unit
2	BMS	Battery Management System	LBC
3	PCU	Power Control Unit	TMI
4	EC	Electrical compressor
5	AC	Air-conditioning controller
6	CHR	On board charger

VCU fault code VCU

SN 序号	DTC(decimal ) 故障码（十进制）	DTC(hexadecimal) 故障码（十六进制）	DTC Workshop manual	DTC English description
1	1	1		A CC signal after power on
2	3	3	P3022	DCDC system failure
3	4	4	P0AA1	Main positive relay failure
4	55	37		IMMO authentication failure
5	57	39	P3030	Fast charging temperature sensor shorted to ground
6	58	3A	P302C	Vacuum pump controller message lost
7	59	3B	P302A	Slow charging current smaller than current command
8	60	3C	P3034	Battery pump idling
9	61	3D	P3035	Battery pump locked
10	62	3E	P3036	Battery pump over temperature
11	63	3F	P3037	Battery pump speed too low
12	64	40	P3053	Battery pump has no feedback
13	65	41	P3054	Motor pump idling
14	66	42	P3055	Motor pump locked
15	67	43	P3056	Motor pump over temperature
16	68	44	P3057	Motor pump speed too low
17	69	45	P3058	Motor pump has no feedback
18	70	46		EVCC communication error
19	71	47	P0A0B	High voltage interlock detection circuit failure
20	72	48	P3005	Brake pedal digital signal error
21	73	49	P3001	Brake pedal signal 1 shorted to the power supply
22	74	4A	P3003	Brake pedal signal 2 shorted to the power supply
23	75	4B	P3000	Brake pedal signal 1 shorted to ground
24	76	4C	P3002	Brake pedal signal 2 shorted to ground
25	79	4F	P3004	Brake pedal ratio is wrong
26	80	50	P3059	Battery pump shorted to ground
27	81	51	P305A	Battery pump shorted to the power supply
28	82	52	P305B	Motor pump shorted to ground
29	83	53		Motor pump shorted to the power supply
30	84	54		Nboost message loss
31	85	55	P2122	Accelerator pedal opening signal 1 shorted the power supply
32	86	56	P2123	Accelerator pedal opening signal 2 shorted the power supply
33	87	57	P2127	Accelerator pedal opening signal 1 shorted to ground
34	88	58	P2128	Accelerator pedal opening signal 2 shorted to ground
35	91	5B	P2138	Two-way accelerator pedal associated failure
36	99	63	P0A03	Motor water temperature sensor shorted to the power supply
37	100	64	P0A02	Motor water temperature sensor shorted to ground
38	102	66		Engaged the gear before powering up
39	103	67		Engaged the gear without braking
40	104	68	P0A94	DCDC power failure
41	105	69		Collision signal failure 1
42	106	6A		Collision signal failure 2
43	107	6B		Shift when vehicle has speed ​​
44	110	6E	P3021	Fast charging current too high
45	112	70	P3023	Slow charging current greater than current command
46	114	72	P3024	Slow charging current severe overcurrent
47	115	73	P302B	Fast charging current greater than charging current command fault
48	116	74	P3025	Slow charging timeout
49	117	75		Fast charging timeout
50	118	76	P3027	Slow charging relay failure
51	119	77		Fast charging relay failure
52	120	78	P3029	Slow charging wake up timeout
53	122	7A	P302D	Battery pack voltage too high
54	123	7B		Current matching error at the end of fast charging (current continues to drop)
55	125	7D	P3031	Fast charging port over temperature
56	126	7E	P3038	Battery does not match VCU program
57	127	7F	P3026	Low temperature slow charging current monitoring
58	128	80	P3027	Low temperature fast charging current monitoring
59	129	81	P3028	Low temperature charging current monitoring
60	130	82	P3039	Heating system failure
61	131	83	P303A	Refrigeration system failure
62	132	84	P303B	Chiller turned on by mistake
63	133	85	P303C	Chiller turned off by mistake
64	134	86	P303D	Heater turned on by mistake
65	135	87	P303E	Heater turned off by mistake
66	136	88	P303F	Low liquid level failure
67	137	89	P3040	Pump failure
68	138	8A	P3041	Heater strip temperature too high
69	139	8B	P3042	Single cell voltage too high
70	140	8C		Unexpected torque after power off
71	141	8D	P305E	29A message lost
72	142	8E		HHC response error A
73	143	8F		HHC response error B
74	144	90		AVH response error
75	145	91	P3046	EPB (2A9) message lost
76	146	92		Motor program does not match VCU program
77	147	93	P3047	Cruise button shorted to the power supply
78	148	94	P3048	Cruise button shorted to ground
79	149	95	P3049	Cruise button out of range
80	150	96	P304A	Cancel button stuck
81	151	97	P304B	Reset button stuck
82	152	98	P304C	Set button stuck
83	153	99	P304D	Cruise control rationality diagnosis
84	154	9A	P304E	Running unexpected torque monitoring A
85	155	9B	P304F	Running unexpected torque monitoring B
86	156	9C	P3050	Running unexpected torque monitoring C
87	157	9D	P3051	32A message loss
88	158	9E	P3052	Accidental torque when cruising
89	159	9F	P3025	Speed rationality diagnosis
90	160	A0	P302E	Refresh program error during PCU operation
91	161	A1	P0A8D	Low voltage system supply undervoltage
92	162	A2	P0A8E	Low voltage system supply overvoltage
93	163	A3	P0642	5V power supply undervoltage
94	164	A4	P0643	5V power supply overvoltage
95	165	A5	P0603	Initialization error
96	169	A9		Battery over discharge failure during charging
97	170	AA		Battery cell temperature too high
98	175	AF		Gateway message loss
99	176	B0	P301C	IGBT turn-off timeout
100	184	B8	P3014	MC relay failure
101	185	B9	P3012	Motor controller initialization failed
102	186	BA	P3013	Battery management system initialization failed
103	188	BC	P0AA4	Main negative relay bonding failure
104	189	BD	P0AA0	Precharge relay failure
105	190	BE	P3016	Precharge timeout failure
106	191	BF	P3018	Motor capacitor discharge timeout failure
107	192	C0	P3006	The first gear position signal is abnormal.
108	193	C1	P3007	The second gear position signal is abnormal.
109	194	C2	P3008	The third gear position signal is abnormal.
110	195	C3	P3009	The fourth gear position signal is abnormal.
111	196	C4	P300A	Shift logic error
112	198	C6	P3011	High voltage interlock short circuit fault
113	199	C7	P3015	High voltage loop safety fault A
114	200	C8	P3017	High voltage loop safety fault B
115	202	CA	P3019	Battery high voltage interlock
116	203	CB	P300B	Power battery cell voltage failure
117	204	CC	P301A	PCU high voltage interlock failure
118	205	CD	P301B	AC high voltage interlock failure
119	206	CE	P301D	Unexpected torque
120	207	CF	P300C	BMS did not send current message
121	208	D0	P300D	BMS did not send voltage message
122	209	D1	P300E	BMS did not send temperature message
123	210	D2	P300F	TMI did not send a message
124	211	D3	P301E	IGBT temperature too high
125	212	D4	P301F	The charger did not send a message
126	213	D5	P3020	Fast charging pile did not send a message
127	230	E6	P3010	Collision failure

BMS fault code

SN 序号	DTC(decimal ) 故障码（十进制）	DTC(hexadecimal) 故障码（十六进制）	DTC Workshop manual	DTC English description
1	10	A	P310A	Balance-off sign
2	31	1F	P311F	Alert of battery cell’s dynamic voltage difference
3	33	21	P3121	Battery temperature hoping
4	37	25	P3125	CAN communication RollingCounter failure
5	38	26	P3126	CAN communication CheckSum failure
6	39	27	P3127	CAN communication Timeout failure
7	40	28	P3128	Current sensor signal shorted to VCC
8	41	29	P3129	Current sensor fault shorted to GND
9	42	2A	P312A	Current sensor dual channel does not match
10	43	2B	P312B	Temperature sensor shorted to VCC
11	44	2C	P312C	Temperature sensor shorted to GND
12	45	2D	P312D	Insulation check system short-circuit VCC
13	46	2E	P312E	Insulation check system short-circuit GND
14	47	2F	P312F	No PWM signal change during insulation check
15	48	30	P3130	Total voltage detection shorted to VCC
16	50	32	P3132	Single cell voltage detection fault - SPI communication fault
17	51	33	P3133	Single cell voltage detection fault - AD conversion fault
18	52	34	P3134	Single cell voltage collection line loose
19	53	35	P3135	Temperature acquisition distortion
20	54	36	P3136	Splitter (fast charging, discharge)
21	55	37	P3137	The single cell voltage does not match the total voltage
22	56	38	P3138	Mis-opening of balance
23	57	39	P3139	Mis-closing of balance
24	58	3A	P313A	FLASH failure
25	60	3C	P313C	Fan turned on by mistake
26	61	3D	P313D	Fan turned off by mistake
27	62	3E	P313E	PTC turned on by mistake
28	63	3F	P313F	PTC turned off by mistake
29	64	40	P3140	PTC temperature too high
30	65	41	P3141	PTC instruction error
31	68	44	P3144	Fan current too large
32	70	46	P3146	Battery cell dynamic voltage difference too large
33	71	47	P3147	Battery cell static voltage difference too large
34	72	48	P3148	Splitter (slow charging)
35	80	50	P3150	Insulation detection circuit open circuit failure
36	81	51	P3151	Balancing loop failure
37	85	55	P3155	Single cell temperature too high
38	92	5C	P315C	Battery pack internal insulation fault
39	93	5D	P315D	Vehicle insulation fault
40	96	60	P3160	Unbalanced battery temperature
41	110	6E	P316E	High voltage interlock failure
42	112	70	P3170	Total pressure module failure
43	118	76	P3176	12V power supply too low
44	119	77	P3177	12V power supply too high
45	120	78	P3178	Thermal instability
46	121	79	P3179	Thermal instability level 2
47	122	7A	P317A	Abnormal charging voltage
48	123	7B	P317B	Still single-body self-discharge check_50Ω
49	124	7C	P317C	Still single-body self-discharge check_100Ω
50	125	7D	P317D	Single body spray explosion
51	163	A3	P31A3	Battery cell voltage severely low
52	166	A6	P31A6	Battery total voltage too high
53	169	A9	P31A9	Battery discharge overcurrent fault
54	167	A7	P31A7	Total battery voltage too low
55	168	A8	P31A8	Battery charging overcurrent fault
56	170	AA	P31AA	Battery temperature too high
57	171	AB	P31AB	Battery temperature too low
58	173	AD	P31AD	Battery single cell voltage too low
59	174	AE	P31AE	Battery single cell voltage too high
60	178	B2	P31B2	Vehicle insulation seriously faulty
61	179	B3	P31B3	Severe insulation failure inside the battery pack
62	189	BD	P31BD	EEPROM failure
63	126	7E	P317E	BDU over temperature
64	201	C9	P31C9	17823 chip self-diagnosis unit undervoltage

PCU fault code

SN 序号	DTC(decimal ) 故障码（十进制）	DTC(hexadecimal) 故障码（十六进制）	DTC Workshop manual	DTC English description
1	47	2F	2F	Blocking fault
2	48	30	30	Voltage detected circuit fault
3	49	31	31	Data storage abnormal
4	50	32	32	IGBT temperature sensor self-test failure
5	81	51	51	Motor overspeed warning fault
6	82	52	52	Three-phase overcurrent warning fault
7	83	53	53	PCU overvoltage warning
8	84	54	54	PCU undervoltage warning
9	85	55	55	Motor over temperature warning
10	86	56	56	PCU over temperature warning
11	89	59	59	IGBT over temperature warning
12	162	A2	A2	Motor overspeed fault
13	163	A3	A3	Three-phase overcurrent fault
14	164	A4	A4	PCU overvoltage
15	165	A5	A5	PCU undervoltage
16	166	A6	A6	Motor over temperature
17	167	A7	A7	PCU over temperature
18	168	A8	A8	PCU power module failure
19	169	A9	A9	IGBT failure
20	170	AA	AA	Motor rotor position sensor failure
21	171	AB	AB	Motor temperature sensor self-test failure
22	178	B2	B2	CAN communication failure
23	179	B3	B3	IGBT over temperature
24	232	E8	E8	W-phase current sensor circuit fault
25	233	E9	E9	V-phase current sensor circuit fault
26	234	EA	EA	U-phase current sensor circuit fault
27	235	EB	EB	W-phase current sensor self-test failure
28	236	EC	EC	V-phase current sensor self-test failure
29	237	ED	ED	U-phase current sensor self-test failure
30	238	EE	EE	PCU temperature sensor self-test failure
31	243	F3	F3	Driving low voltage power supply failure
32	244	F4	F4	Traction motor input missing phase

3

Air conditioning compressor fault code list

SN 序号	DTC(decimal)	DTC(hexadecimal) 故障码（十六进制）	DTC Workshop manual	故障名称	DTC English description
1	1	1	1	压缩机腔体温度过高	Compressor chamber temperature too high
2	2	2	2	压缩机腔体温度达到一定限值	Compressor chamber temperature reaches a certain limit
3	3	3	3	压缩机过流	Compressor overcurrent
4	4	4	4	压缩机过载	Compressor overload
5	5	5	5	输入直流欠压	Input DC undervoltage
6	6	6	6	输入直流过压	Input DC overvoltage
7	7	7	7	压缩机无法接收面板信号	Compressor cannot receive the panel signal
8	8	8	8	压缩机无法接收整车信号	Compressor cannot receive the vehicle signal
9	9	9		checksum1校核失败	Checksum1 check failed
10	10	A		checksum2校核失败	Checksum2 check failed

Air conditioning panel fault code list

SN	DTC(decimal )	DTC(hexadecimal)	DTC Workshop manual	DTC English description
1	1	1		The panel cannot receive or transmit communication signals
2	2	2	3	Evaporator temperature sensor short circuit
3	3	3	4	Evaporator temperature sensor open circuit
4	4	4	5	Incar temperature sensor short circuit
5	5	5	6	Indoor temperature sensor open circuit
6	6	6	7	Ambient temperature sensor short circuit
7	7	7	8	Ambient temperature sensor open circuit
8	8	8	9	Temperature servo motor short circuit or open circuit
9	9	9	10	The motor is faulty and has not reached the specified position within the specified time.
10	10	A	11	Mode servo motor short circuit
11	11	B	12	The motor is faulty and has not reached the specified position within the specified time.
12	12	C	13	PTC temperature sensor short circuit
13	13	D	14	PTC temperature sensor open circuit
14	14	E		PTC switch failure

Charger fault code list

SN	DTC(decimal )	DTC(hexadecimal)	DTC Workshop manual	DTC English description
1	1	1	P3301	AC input overvoltage
2	2	2	P3302	AC input undervoltage
3	3	3	P3303	DC output overvoltage
4	4	4	P3304	DC output undervoltage
5	5	5	P3306	PFC voltage too high
6	6	6	P3305	PFC voltage too low
7	7	7	P3307	Charger temperature too high
8	8	8	P3308	Output overcurrent
9	9	9	P3309	Temperature sensor failure
10	10	A	P330a	Cannot receive VCU messages
11	11	B	P330b	Abnormal current command
12	12	C	P330c	Abnormal voltage command
13	13	D	P330d	CC loop detection abnormal
14	14	E	P330e	CP loop detection abnormal
15	15	F		High voltage interlock failure