MG ZS EV OBD PID Reverse Engineering

	A	B	C	D	E	F	G	H	I	J	K	M	N	O	P	Q	R	S	T	U	W	X
1				Transmit									Response Example (and Decode)								OVMS Implemented
2	UDS Queries	ECU	Tx Address	B0	B1	B2	B3	B4	B5	B6	B7	Rx Address	B0	B1	B2	B3	B4	B5	B6	B7

3	Battery Bus Voltage	BMS	0x781	03	22	B0	41	00	00	00	00	0x789	04	62	B0	41	06	8F	AA	AA	Yes
4	Battery Voltage	BMS	0x781	03	22	B0	42	00	00	00	00	0x789	05	62	B0	42	06	7a	AA	AA	Yes
5	Battery Current	BMS	0x781	03	22	B0	43	00	00	00	00	0x789	05	62	B0	43	9c	53	AA	AA	Yes
6	Battery Resistance	BMS	0x781	03	22	B0	45	00	00	00	00	0x789	05	62	B0	45	3F	FD	AA	AA	No
7	Battery SoC	BMS	0x781	03	22	B0	46	00	00	00	00	0x789	05	62	B0	46	02	85	AA	AA	Yes
8	BMS Error	BMS	0x781	03	22	B0	47	00	00	00	00	0x789	05	62	B0	47	00				No
9	BMS Status	BMS	0x781	03	22	B0	48	00	00	00	00	0x789	04	62	b0	48	03	AA	AA	AA	Yes
10	System Main Relay B	BMS	0x781	03	22	B0	49	00	00	00	00	0x789	05	62	B0	49	01				No	18/04/21 Ohm: Obtained from Thai PID list. Seem to always be 1
11	System Main Relay G	BMS	0x781	03	22	B0	4A	00	00	00	00	0x789	05	62	B0	4A	01				No	18/04/21 Ohm: Obtained from Thai PID list. Seem to always be 1
12	System Main Relay P	BMS	0x781	03	22	B0	52	00	00	00	00	0x789	05	62	B0	52	01				No	18/04/21 Ohm: Obtained from Thai PID list. Seem to always be 1
13	Battery Temp	BMS	0x781	03	22	B0	56	00	00	00	00	0x789	04	62	B0	56	74				No	18/04/21 Ohm: Thai PID list suggests that this is battery temp and max cell temperature and B057 is min cell temperature
14	Max Cell Voltage	BMS	0x781	03	22	B0	58	00	00	00	00	0x789	06	62	b0	58	0f	f6	ff	AA	No
15	Min Cell Voltage	BMS	0x781	03	22	B0	59	00	00	00	00	0x789	06	62	B0	59	0F	4D	FF		No
16	Battery Coolant Temp	BMS	0x781	03	22	B0	5C	00	00	00	00	0x789	04	62	B0	5c	6D	AA	AA	AA	Yes
17	Battery SoH	BMS	0x781	03	22	B0	61	00	00	00	00	0x789	05	62	b0	61	27	10	AA	AA	Yes
18	BMS Time	BMS	0x781	03	22	B0	6D	00	00	00	00	0x789	10	09	62	B0	6D	15	04	12	No
19													21	10	1C	20
20
21	DCDC LV Current	DCDC	0x785	03	22	B0	22	00	00	00	00	0x78D	05	62	B0	22	00	0C	AA	AA	Yes
22	DCDC LV Voltage	DCDC	0x785	03	22	B0	21	00	00	00	00	0x78D	05	62	B0	21	00	76	AA	AA	Yes
23	DCDC Power Load	DCDC	0x785	03	22	B0	25	00	00	00	00	0x78D	05	62	B0	25	00	1b	AA	AA	Yes
24	DCDC Temperature	DCDC	0x785	03	22	B0	26	00	00	00	00	0x78D	05	62	B0	26	00	4a	AA	AA	Yes	Set as inverter temp
25
26	Vehicle Speed	VCU	0x7E3	03	22	BA	00	00	00	00	00	0x7EB	05	62	BA	00	59	23	00	00	Yes
27	12V Supply Voltage (VCU)	VCU	0x7E3	03	22	01	12	00	00	00	00	0x7EB	05	62	01	12	8e	00	00	00	Yes
28	Charger Connected	VCU	0x7E3	03	22	B7	1B	00	00	00	00	0x7EB	04	62	B7	1B	00	00	00	00	Yes
29	Motor Coolant	VCU	0x7E3	03	22	B3	09	00	00	00	00	0x7EB	04	62	B3	09	4a	00	00	00	Yes
30	Motor Temp	VCU	0x7E3	03	22	B4	05	00	00	00	00	0x7EB	04	62	B4	05	4a	00	00	00	No
31	Max Charge Rate	VCU	0x7E3	03	22	B7	12	00	00	00	00	0x7EB	05	62	B7	12	01	9C	00	00	Yes
32	BMS Running State	VCU	0x7E3	03	22	B7	02	00	00	00	00	0x7EB	04	62	B7	02	03	00	00	00	Using BMS
33	Ignition State	VCU	0x7E3	03	22	B1	8C	00	00	00	00	0x7EB	04	62	B1	8C	02	00	00	00	Yes
34	HV Contactors	VCU	0x7E3	03	22	B7	03	00	00	00	00	0x7EB	04	62	B7	03	01	00	00	00	No	Closed means HV battery is ON
35	Motor Torque	VCU	0x7E3	03	22	B4	01	00	00	00	00	0x7EB	04	62	B4	01	7F	FF	00	00	No
36	Motor Speed	VCU	0x7E3	03	22	B4	02	00	00	00	00	0x7EB	05	62	B4	02	7F	FF	00	00	Partial	Guess that this is RPM when not 0
37	AC Compressor Power?	VCU	0x7E3	03	22	BB	01	00	00	00	00	0x7EB	05	62	BB	01	00	3F	00	00	No
38	Battery Voltage	VCU	0x7E3	03	22	B7	05	00	00	00	00	0x7EB	05	62	B7	05	10	9C	00	00	No
39	Fan (don't know which one)	VCU	0x7E3	03	22	BB	91	00	00	00	00	0x7EB	04	62	BB	91	00				No	18/04/21 Ohm: Obtained from Thai PID list. Doesn't seem to be radiator nor cabin fan.
40	DCDC Mode	VCU	0x7E3	03	22	B5	80	00	00	00	00	0x7EB	04	62	B5	80	02				No
41	DCDC Input Current	VCU	0x7E3	03	22	B5	81	00	00	00	00	0x7EB	05	62	B5	81	7F	FF			No
42	DCDC Input Voltage	VCU	0x7E3	03	22	B5	82	00	00	00	00	0x7EB	05	62	B5	82	10	A4			No
43	DCDC Output Current	VCU	0x7E3	03	22	B5	83	00	00	00	00	0x7EB	05	62	B5	83	01	36			No
44	DCDC Output Voltage	VCU	0x7E3	03	22	B5	84	00	00	00	00	0x7EB	05	62	B5	84	00	8A			No
45	DCDC Temp	VCU	0x7E3	03	22	B5	87	00	00	00	00	0x7EB	04	62	B5	87	4E				No
46	.
47	Ambient Temperature	ATC	0x750	03	22	E0	1B	00	00	00	00	0x758	05	62	E0	1B	02	41	AA	AA	Yes
48	Set Temperature	ATC	0x750	03	22	B0	01	00	00	00	00	0x758	05	62	B0	01	00	DC	AA	AA	Yes
49	FL Face Outlet Temp	ATC	0x750	03	22	E0	13	00	00	00	00	0x758	05	62	E0	13	02	33	AA	AA	Yes
50	Blower Speed	ATC	0x750	03	22	E0	0F	00	00	00	00	0x758	05	62	E0	0F	00	00	AA	AA	Partial	On/Off only, need speed values
51	PTC Temperature	ATC	0x750	03	22	E0	1C	00	00	00	00	0x758	05	62	E0	1C	02	6B	AA	AA	Yes
52	.
53	Door Status	BCM	0x740	03	22	D1	12	00	00	00	00	0x748	07	62	D1	12	80	00	00	00	Yes	Sets off the alarm if it is active
54	Light Switch	BCM	0x740	03	22	B5	12	00	00	00	00	0x748	07	62	D1	12	80	00	00	00	Partial	On/off only
55	Headlights & DRL Status	BCM	0x740	03	22	D1	17	00	00	00	00	0x748	07	62	D1	17	80	2e	00	22	No
56	.
57	Tyre Pressure	TPMS	0x724	03	22	B0	01	00	00	00	00	0x72C	07	62	B0	01	41	36	41	41	Yes
58	Tyre Temperature	TPMS	0x724	03	22	B0	03	00	00	00	00	0x72C	07	62	B0	03	28	28	28	27	Maybe	Guessed that this is temp * 2
59	.
60	Odometer Reading	IPK	0x760	03	22	B1	01	00	00	00	00	0x768	06	62	B1	01	00	04	75	AA	Yes
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