K115 Reductant Control Module (L5P)

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. 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: DEF Wiring Harness
OEM Connector: 13582126
Service Connector: Service by Harness - See Part Catalog
Description: 38-Way F 1.5 CTS, 2.8 MCP, 4.8 MCP Series, Sealed (BK with BK Inner Connector)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	Not required	No Tool Required	No Tool Required

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	2.5	BU	3921	Diesel Exhaust Fluid Heater Control 1	I	-
2	0.5	BN	3676	Diesel Exhaust Fluid Heating Tank 2 Heater Control	I	-
3	0.5	BU/BN	4498	High Speed GMLAN Serial Data [+] 7	I	-
4	0.5	YE	3677	Diesel Exhaust Fluid Reservoir Heater Control	I	-
5	-	-	-	Not Occupied	-	-
6	0.5	BK	3244	Diesel Exhaust Fluid Tank Temperature Sensor Signal	I	-
7	0.5	BK	7290	Diesel Exhaust Fluid Sensor Voltage Reference 1	I	-
8	0.5	BN	7284	Diesel Exhaust Fluid Liquid Quality Temperature Signal	I	-
9	0.5	BK	8434	Diesel Exhaust Fluid Sensor Low Reference	I	-
10	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	I	-
11	0.5	YE	3876	Diesel Exhaust Fluid Smart Pump Supply Voltage Phase 3	I	-
12	-	-	-	Not Occupied	-	-
13	2.5	BK/WH	1651	Signal Ground	I	-
14	0.5	BN	2936	Diesel Exhaust Fluid Heating Tank 2 Heater Control Low	I	-
15	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	I	-
16	0.5	BU	4138	Fuel Pump Supply Voltage Phase 3	I	-
17	0.35	VT/YE	5985	Accessory Wake-Up Serial Data	I	-
18	0.5	BN	3245	Diesel Exhaust Fluid Tank Temperature Sensor Low Reference	I	-
19	0.5	BN	3106	Diesel Exhaust Fluid Pressure Sensor 5 Volt Reference	I	-
20	0.5	BU	3108	Diesel Exhaust Fluid Pressure Sensor Signal	I	-
21	0.5	BU	3107	Diesel Exhaust Fluid Pressure Sensor Low Reference	I	-
22	0.5	BU	2500	High Speed GMLAN Serial Data [+] 1	I	-
23	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	I	-
24	0.5	BN	3875	Diesel Exhaust Fluid Smart Pump Supply Voltage Phase 2	I	-
25	0.5	BK/WH	1651	Signal Ground	I	L5P
26	0.5	WH	3199	Diesel Exhaust Fluid Pressure Line Heater Control	I	-
27	-	-	-	Not Occupied	-	-
28	0.5	BN	4319	Diesel Exhaust Fluid Line Heater Low Control	I	-
29	0.5	VT/GN	4320	Powertrain Sensor Bus Enable	I	-
30	0.5	VT/GN	439	Run/Crank Ignition 1 Voltage	I	-
31	0.5	BU/BN	4498	High Speed GMLAN Serial Data [+] 7	I	-
32	0.5	BU/BN	4498	High Speed GMLAN Serial Data [+] 7	I	-
33	0.5	WH	4499	High Speed GMLAN Serial Data [-] 7	I	-
34	0.5	WH	4499	High Speed GMLAN Serial Data [-] 7	I	-
35	0.5	WH	2501	High Speed GMLAN Serial Data [-] 1	I	-
36	0.5	BU	2937	Diesel Exhaust Fluid Pump Motor Stator Low Reference	I	-
37	0.5	WH	3103	Diesel Exhaust Fluid Smart Pump Control	I	-
38	0.5	RD/WH	3440	Battery Positive Voltage	I	-