K20 Engine Control Module X2 (LSY)

WARNING: This page is about a different car, the 2020 Cadillac CT4. 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: 33257855
Service Connector: 19366869
Description: 49 -Way F 0.64, 2.8 Series, Sealed(BK with BK 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	13587518	J-35616-35 (VT)	J-38125-215A
III	19354746	J-35616-64B (LT BU)	J-38125-213
IV	19354746	J-35616-64B (LT BU)	J-38125-215A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.5	VT / GN	4320	Powertrain Sensor Bus Enable	IV	-
2	0.5	BU / RD	460	Engine Control Sensors 5 Volt Reference 1	IV	-
3 - 4	-	-	-	Not Occupied	-	-
5	0.5	BN / BU	2447	Evaporative Purge Pump Pressure Signal	IV	-
6 - 8	-	-	-	Not Occupied	-	-
9	0.5	VT / BU	5294	Powertrain Main Relay Fused Supply Voltage 5	IV	-
10	0.75	BU / GY	2978	Coolant Diverter Valve Position Signal	III	-
11	-	-	-	Not Occupied	-	-
12	0.5	BK / GN	580	Engine Control Sensors Low Reference 2	IV	-
13 - 14	-	-	-	Not Occupied	-	-
15	0.5	GN / YE	3337	Transmission Internal Mode Switch Mode Control Y	IV	-
16	0.5	YE / BN	331	Oil Pressure Sensor Signal	IV	-
17	-	-	-	Not Occupied	-	-
18	0.5	BN / GN	1174	Oil Level Switch Signal	IV	-
19	0.5	BU / WH	2918	Fuel Rail Pressure Sensor Signal	IV	-
20	0.5	WH	2590	Turbocharger Wastegate Motor Feedback Signal	IV	-
21	-	-	-	Not Occupied	-	-
22	0.5	BK / GY	626	Engine Control Vehicle Sensors Low Reference 1	IV	-
23	0.5	VT	7485	Engine Oil Temperature Sensor 2 Signal	IV	-
24	0.5	BN / BU	357	Oil Temperature Sensor Signal	IV	-
25	0.5	YE / WH	3200	Throttle Inlet Absolute Pressure Sensor Signal	IV	-
26	-	-	-	Not Occupied	-	-
27	0.5	GN	7981	Particulate Filter Exhaust Gas Temperature Sensor 2 Signal	IV	-
28	0.5	BK / GN	7982	Particulate Filter Exhaust Gas Temperature Sensor 2 Low Reference	IV	-
29	0.5	YE / GY	3926	Crankcase Differential Pressure Sensor Signal	IV	-
30	-	-	-	Not Occupied	-	-
31	0.5	YE / GY	6936	HO2S Signal	IV	-
32	0.5	BN	6934	HO2S Ground	IV	-
33	-	-	-	Not Occupied	-	-
34	0.5	GY / WH	3113	HO2S Heater Low Control Bank 1 Sensor 1	IV	-
35	-	-	-	Not Occupied	-	-
36	0.5	WH / RD	480	Engine Control Vehicle Sensors 5 Volt Reference 1	IV	-
37	0.5	YE / BK	3000	Coolant Temperature Sensor 2 Signal	IV	-
38 - 39	-	-	-	Not Occupied	-	-
40	0.5	GY / VT	2404	Engine Block Coolant Temperature Signal	IV	-
41 - 42	-	-	-	Not Occupied	-	-
43	0.5	BU	7979	Particulate Filter Exhaust Gas Temperature Sensor 1 Signal	IV	-
44	0.5	BK / BU	7980	Particulate Filter Exhaust Gas Temperature Sensor 1 Low Reference	IV	-
45	0.5	GN	6935	HO2S Pump Current Trim Signal	IV	-
46	0.5	BN / WH	6933	HO2S Pump Current Signal	IV	-
47	0.5	GN / VT	4621	Engine Control Module LIN Bus 1	IV	-
48	0.5	GN / WH	4622	Engine Control Module LIN Bus 2	IV	-
49	2.5 2.5	BK / WH BK / WH	6151 6151	Engine Control Module Ground 61 Engine Control Module Ground 61	I II	F46 -F46