K20 Engine Control Module X1

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Engine
OEM Connector: 34566-0303
Service Connector: 13574782
Description: 73-Way F 0.64 2.8 Series, Sealed (BK with BU Terminal Position Assurance Lock)

Terminal Part Information

Pins: 6, 9-10, 14-15, 21-22, 25-26, 30, 33-34, 39-40, 42, 44, 46, 51-53, 55-57, 59, 62-63, 66, 70, 72
Terminated Lead: Pending
Release Tool: J-38125-213
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: 33467-0005/23
Core/Insulation Crimp: Pins: 6, 9-10, 14-15, 21-22, 25-26, 30, 33-34, 39-40, 42, 44, 46, 51, 53, 55-57, 59, 63, 66, 70, 72 - J/J
Core/Insulation Crimp: Pins: 52, 62 - K/K

Pin: 73
Terminated Lead: 13579750
Release Tool: J-38125-12A
Diagnostic Test Probe: J-35616-35 (VT)
Terminal/Tray: 1326030-6/17
Core/Insulation Crimp: C/A

K20 Engine Control Module X1

Pin	Size	Color	Circuit	Function	Option
1-3	-	-	-	Not Used	-
4	0.5	YE/WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	-
5	0.5	WH/RD	3201	Throttle Inlet Absolute Pressure Sensor 5V Reference	-
6	0.5	GN	380	A/C Refrigerant Pressure Sensor Signal	-
7-8	-	-	-	Not Used	-
9	0.5	BU/WH	890	Fuel Tank Pressure Sensor Signal	-
10	0.5	YE/RD	2709	Fuel Tank Pressure Sensor 5 Volt Reference	-
11-13	-	-	-	Not Used	-
14	0.5	WH/RD	1164	Accelerator Pedal Position 5 Volt Reference (1)	-
15	0.5	YE/WH	1161	Accelerator Pedal Position Signal (1)	-
16-20	-	-	-	Not Used	-
21	0.5	BN/RD	2700	A/C Pressure Sensor 5 Volt Reference	-
22	0.5	BK/BN	5514	A/C Refrigerant Pressure Sensor Low Reference	-
23-24	-	-	-	Not Used	-
25	0.5	BU/VT	1589	Primary Fuel Level Sensor Signal	-
26	0.5	BK/GN	6281	Fuel Level Sensor Low Reference	-
27-29	-	-	-	Not Used	-
30	0.5	BK/BU	1271	Accelerator Pedal Position Low Reference (1)	-
31	-	-	-	Not Used	-
32	0.5	WH/GY	459	A/C Compressor Clutch Relay Control	-
33	0.5	BN/RD	1274	Accelerator Pedal Position 5 Volt Reference (2)	-
34	0.5	GN/WH	1162	Accelerator Pedal Position Signal (2)	-
35-37	-	-	-	Not Used	-
38	0.5	WH	1579	Fuel Temperature/Composition Signal	-
39	0.5	BU	2500	High Speed GMLAN Serial Data (+) (1)	-
40	0.5	WH	2501	High Speed GMLAN Serial Data (-) (1)	-
41	-	-	-	Not Used	-
42	0.5	BN/YE	473	High Speed Cooling Fan Relay Control	-
43	-	-	-	Not Used	-
44	0.5	GN/GY	465	Fuel Pump Primary Relay Control	-
45	-	-	-	Not Used	-
46	0.5	BN/WH	419	Check Engine Indicator Control	-
47	0.5	RD	5381	Brake Position Sensor 5 Volt Reference	-
48	0.5	YE	5380	Brake Position Sensor Signal	-
49-50	-	-	-	Not Used	-
51	0.75	VT/BK	3	Run/Crank Ignition 1 Voltage	-
52	0.75	VT/BK	3	Run/Crank Ignition 1 Voltage	-
53	0.5	BK/VT	1272	Accelerator Pedal Position Low Reference (2)	-
54-56	-	-	-	Not Used	-
57	0.5	WH/BU	6311	Cruise/ETC/TCC Brake Signal	-
58	-	-	-	Not Used	-
59	0.5	GN/VT	335	Low Speed Cooling Fan Relay Control	-
60-61	-	-	-	Not Used	-
62	0.75	VT/BU	5291	Powertrain Main Relay Fused Supply (2)	-
63	0.5	YE	447	Starter Relay Coil Control	-
64-65	-	-	-	Not Used	-
66	0.75	WH	1310	EVAP Canister Vent Solenoid Control	-
67	-	-	-	Not Used	-
68	0.5	GY	5382	Brake Position Sensor Low Reference	-
69	-	-	-	Not Used	-
70	0.5	VT/YE	5985	Accessory Wakeup Serial Data	-
71	-	-	-	Not Used	-
72	0.5	BN/WH	5069	Engine Main Relay Coil Control	-
73	1.5	VT/BU	5290	Ignition 1 Voltage	-