K20 Engine Control Module X1 (LTG+MRC)

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. 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
OEM Connector: 35061507
Service Connector: 13574946
Description: 73 -Way F 0.64 MQS, 2.8 APEX Series, Sealed (BU)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	135877518	J-35616-35 (VT)	J-38125-215A
II	19351723	J-35616-64B (LT BU)	J-38125-215A
III	19355737	J-35616-64B (LT BU)	J-38125-215A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1 - 4	-	-	-	Not Occupied	-	-
5	0.35	BU / BN	4498	High Speed GMLAN Serial Data [+] 7	III	-
6	0.35	WH	4499	High Speed GMLAN Serial Data [-] 7	III	-
7	0.5	WH	7494	High Speed GMLAN Serial Data [-] 3	II	-
8	0.5	BU / BK	7493	High Speed GMLAN Serial Data [+] 3	II	-
9	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	II	-
10	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	II	-
11	0.35	BN / RD	1274	Accelerator Pedal Position 5V Reference 2	III	-
12	0.35	WH / RD	1164	Accelerator Pedal Position 5V Reference 1	III	-
13	0.5	VT / YE	5985	Accessory Wake-Up Serial Data	II	-
14	0.5	VT / GN	439	Run/Crank Ignition 1 Voltage	II	-
15	0.5	RD / WH	140	Battery Positive Voltage	II	-
16	0.75	VT / BU	5292	Powertrain Main Relay Fused Supply 3	II	-
17	0.5	YE	4063	Hood Status A Signal	II	-
18	0.5	GY / RD	3053	Turbo Intake Pressure Sensor High Reference Bank 1	II	-
19 - 24	-	-	-	Not Occupied	-	-
25	0.35	BK / YE	5382	Brake Position Sensor Low Reference	III	-
26	-	-	-	Not Occupied	-	-
27	0.35	BK / VT	1272	Accelerator Pedal Position Low Reference 2	III	-
28	0.35	BK / BU	1271	Accelerator Pedal Position Low Reference 1	III	-
29 - 31	-	-	-	Not Occupied	-	-
32	0.35	YE / VT	6030	Brake Vacuum Sensor Signal	III	-
33	0.35	GN / WH	1162	Accelerator Pedal Position Signal 2	III	-
34	0.5	GN / WH	492	Mass Air Flow Sensor Signal	II	-
35 - 36	-	-	-	Not Occupied	-	-
37	0.35	BN / RD	2700	A/C Pressure Sensor 5V Reference	III	-
38 - 40	-	-	-	Not Occupied	-	-
41	0.35	WH / RD	5381	Brake Position Sensor 5V Reference	III	-
42 - 43	-	-	-	Not Occupied	-	-
44	0.35	YE / VT	4325	Starter Pinion Solenoid Relay Control	III	-
45	0.35	YE / WH	1161	Accelerator Pedal Position Signal 1	III	-
46	-	-	-	Not Occupied	-	-
47	0.5	BU / GY	636	Outside Ambient Air Temperature Sensor Signal	II	-
48	0.5	WH / BU	6289	Induction Air Temperature Sensor Signal	II	-
49	0.5	WH / GY	1786	Transmission Park/Neutral Signal 1	II	-
50	0.35	WH / BU	6311	Cruise/ETC/TCC Brake Signal	III	-
51	0.5	VT / BU	5291	Powertrain Main Relay Fused Supply 2	II	-
52	0.35	WH	2368	Cooling Fan Control Signal	III	-
53	-	-	-	Not Occupied	-	-
54	0.35	WH / GY	459	A/C Compressor Clutch Relay Control	III	-
55 - 56	-	-	-	Not Occupied	-	-
57	0.35	GN	380	A/C Refrigerant Pressure Sensor Signal	III	-
58 - 59	-	-	-	Not Occupied	-	-
60	0.5	BN / GY	4008	Humidity Sensor Signal	II	-
61	0.35	WH / GN	5380	Brake Position Sensor Signal	III	-
62 - 63	-	-	-	Not Occupied	-	-
64	0.35	GN / GY	465	Fuel Pump Primary Relay Control	III	-
65	-	-	-	Not Occupied	-	-
66	0.35	GY	5127	After Boil Heater Relay Control	III	-
67	0.35	YE	5991	Powertrain Relay Coil Control	III	-
68 - 69	-	-	-	Not Occupied	-	-
70	0.35	YE / BK	625	Starter Enable Relay Control	III	-
71	0.35	BN / WH	419	Check Engine Indicator Control	III	-
72	-	-	-	Not Occupied	-	-
73	2.5	VT / BU	5290	Powertrain Main Relay Fused Supply 1	I	-