K20 Engine Control Module X1

WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type:Engine Wiring Harness
OEM Connector: 12672859
Service Connector: 19331441
Description: 66-Way F 0.64, 2.8 Series, Sealed (BK with BU Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	13587518	J-35616-35 (VT)	J-38125-11A
II	19351723	J-35616-64B (L-BU)	J-38125-215A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	YE	5991	Powertrain Relay Coil Control	II
2	0.5	YE / BK	625	Starter Enable Relay Control	II
3	0.5	YE / VT	4325	Starter Pinion Solenoid Actuator Relay Control	II
4 - 5	-	-	-	Not Occupied	-	-
6	0.5	VT / GY	3615	Step Cam A Control	II
7	0.5	GN / BK	3616	Step Cam B Control	II
8	0.5	GN	3585	Camshaft Position Motor Control B	II
9	0.5	BU	3584	Camshaft Position Motor Control A	II
10	0.5	YE / BU	3587	Camshaft Position Motor Control D	II
11	0.5	GY	3586	Camshaft Position Motor Control C	II
12	0.5	BU / WH	3589	Camshaft Position Motor Position Sensor 1 Signal	II
13	0.5	GN / WH	3592	Camshaft Position Motor Position Sensor 2 Signal	II
14	0.5	BK / GN	3593	Camshaft Position Sensor 2 Ground	II
15	0.5	WH / BU	6311	Cruise/ETC/TCC Brake Signal	II
16	0.5	VT / BU	5291	Powertrain Main Relay Fused Supply Voltage 2	II
17	0.5	GN / GY	465	Fuel Pump Primary Relay Control	II
18	0.5	WH / GY	459	A/C Compressor Clutch Relay Control	II
19 - 21	-	-	-	Not Occupied	-	-
22	0.5	GN / YE	1402	Camshaft Intake Stepper Cylinder 4 Front Solenoid Control	II
23	0.5	GY / YE	1502	Camshaft Intake Stepper Cylinder 4 Rear Solenoid Control	II
24	0.5	YE / VT	6265	Camshaft Exhaust Stepper Cylinder 2 Rear Solenoid Control	II
25	0.5	VT / BK	6264	Camshaft Exhaust Stepper Cylinder 2 Front Solenoid Control	II
26	0.5	GY / BN	6262	Camshaft Exhaust Stepper Cylinder 3 Rear Solenoid Control	II
27	0.5	GN / BN	6261	Camshaft Exhaust Stepper Cylinder 3 Front Solenoid Control	II
28	0.5	YE / BN	1702	Camshaft Intake Stepper Cylinder 4 Position Sensor Signal	II
29	0.5	GN / BK	6266	Camshaft Exhaust Stepper Cylinder 2 Position Signal	II
30	0.5	YE	6263	Camshaft Exhaust Stepper Cylinder 3 Position Signal	II
31	-	-	-	Not Occupied	-	-
32	0.75	VT / WH	1139	Run/Crank Ignition 1 Voltage	II
33	0.5	BK / BU	1271	Accelerator Pedal Position Low Reference 1	II
34	0.5	YE / WH	3746	Camshaft Exhaust Lobe Axial Position Signal 1	II
35	0.5	BK / VT	1272	Accelerator Pedal Position Low Reference 2	II
36	0.5	YE / GN	3747	Camshaft Exhaust Lobe Axial Position Signal 2	II
37	-	-	-	Not Occupied	-	-
38	0.5	YE	4063	Hood Status A Signal	II
39	0.5	YE / WH	1161	Accelerator Pedal Position Signal 1	II
40 - 41	-	-	-	Not Occupied	-	-
42	0.5	GN / BN	2732	Engine Control Module LIN Bus 4	II
43 - 44	-	-	-	Not Occupied	-	-
45	0.5	BU / GY	4054	Private Serial Data Powertrain CAN Bus [-] Serial Data	II
46	0.5	WH	4055	Private Serial Data Powertrain CAN Bus [+] Serial Data	II
47	0.5	GN / WH	492	Mass Air Flow Sensor Signal	II
48	0.75	RD / GN	3140	Battery Positive Voltage	II
49	0.5	WH / RD	1164	Accelerator Pedal Position 5V Reference 1	II
50	0.5	VT / WH	3744	Camshaft Intake Lobe Axial Position Signal 1	II
51	0.5	BN / RD	1274	Accelerator Pedal Position 5V Reference 2	II
52	0.5	VT / GN	3745	Camshaft Intake Lobe Axial Position Signal 2	II
53	0.5	BU / GY	636	Ambient Air Temperature Sensor Signal	II
54	-	-	-	Not Occupied	-	-
55	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	II
56	0.5	WH / GN	5380	Brake Position Sensor Signal	II
57	0.5	GN / WH	1162	Accelerator Pedal Position Signal 2	II
58	-	-	-	Not Occupied	-	-
59	0.5	WH	4978	AUTOSAR CAN Bus [-] 2 Serial Data	II
60	0.5	BU / YE	4979	AUTOSAR CAN Bus [+] 2 Serial Data	II
61 - 62	-	-	-	Not Occupied	-	-
63	0.5	WH	4976	AUTOSAR CAN Bus [-] 3 Serial Data	II
64	0.5	BU / BK	4977	AUTOSAR CAN Bus [+] 3 Serial Data	II
65	2.5	BK / WH	1651	Signal Ground	I
66	2	VT / BU	5290	Powertrain Main Relay Fused Supply Voltage 1	I