K20 Engine Control Module X1 (L96/LC8)

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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: 13510837
Service Connector: 88988373
Description: 56-Way F 0.64 Series, Sealed (BU with BU Terminal Position Assurance)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13575812	J-35616-64B (LT BU)	J-38125-213	Not Available	Not Available	Not Available	Not Available

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	-	-	-	Not Occupied	-	-
2	0.5	L-BU	1162	Accelerator Pedal Position Signal 2	I	-
3	0.75	L-GN/WH	492	Mass Air Flow Sensor Signal	I	-
4 - 7	-	-	-	Not Occupied	-	-
8	0.75	GY/D-BU	7564	Humidity Sensor Signal	I	-
9	-	-	-	Not Occupied	-	-
10	0.5	D-BU	1161	Accelerator Pedal Position Signal 1	I	-
11	0.75	YE/WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	I	-
12	0.8	OG/BK	380	A/C Refrigerant Pressure Sensor Signal	I	-
13	0.8	TN	5514	A/C Refrigerant Pressure Sensor Low Reference	I	-
14 - 15	-	-	-	Not Occupied	-	-
16	0.5	TN	1274	Accelerator Pedal Position 5V Reference 2	I	-
17	-	-	-	Not Occupied	-	-
18	0.5	D-BU	5985	Accessory Wakeup Serial Data	I	-
19	0.5	VT/L-GN	439	Run/Crank Ignition 1 Voltage	I	-
20	0.5	RD/WH	440	Battery Positive Voltage	I	-
21 - 23	-	-	-	Not Occupied	-	-
24	0.5	WH/BK	1164	Accelerator Pedal Position 5V Reference 1	I	-
25	0.75	WH/RD	3201	Throttle Inlet Absolute Pressure Sensor 5V Reference	I	-
26	0.8	GY	2700	A/C Pressure Sensor 5V Reference	I	-
27	0.5	YE/BK	625	Starter Enable Relay Control	I	-
28	0.5	D-GN/WH	465	Fuel Pump Primary Relay Control	I	-
29	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	I	-
30	0.5	VT	1272	Accelerator Pedal Position Low Reference 2	I	-
31	0.75	BK/VT	2760	Intake Air Temperature Sensor Low Reference	I	-
32	0.8	BU/BK	6813	Coolant Temperature Sensor 2 Low Reference	I	-
33	0.5	L-BU/WH	6311	Cruise/ETC/TCC Brake Signal	I	-
34	0.5	OG/BK	1786	Transmission Park/Neutral Signal 1	I	-
35 - 37	-	-	-	Not Occupied	-	-
38	0.5	BN	1271	Accelerator Pedal Position Low Reference 1	I	-
39	-	-	-	Not Occupied	-	-
40	0.5	YE	5991	Powertrain Relay Coil Control	I	-
41 - 42	-	-	-	Not Occupied	-	-
43	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	I	-
44	-	-	-	Not Occupied	-	-
45	0.75	BN/VT	472	Intake Air Temperature Sensor Signal	I	-
46	0.8	GN	2032	Coolant Temperature Sensor Signal	I	-
47	0.5	OG	225	Generator Turn On Signal	I	-
48 - 49	-	-	-	Not Occupied	-	-
50	0.5	D-GN/WH	817	Vehicle Speed Signal	I	-
51	-	-	-	Not Occupied	-	-
52	0.5	BN/WH	419	Check Engine Indicator Control	I	-
53	0.5	D-GN/WH	459	A/C Compressor Clutch Relay Control	I	-
54 - 55	-	-	-	Not Occupied	-	-
56	0.5	WH	1310	EVAP Canister Vent Solenoid Control	I	-