K16 Battery Energy Control Module X1

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

GM2548334

Connector Part Information

Harness Type: Contactor Assembly
OEM Connector: ALTPB-21-2BH
Service Connector: Service by Part Assembly - See Part Catalog
Description: 21-Way F (GY)

Terminal Part Information

Terminated Lead: Service by Part Assembly - See Part Catalog
Release Tool: Not Available
Diagnostic Test Probe: Pending
Terminal/Tray: Not Available
Core/Insulation Crimp: Not Available

K16 Battery Energy Control Module X1

Pin	Size	Color	Circuit	Function	Option
1	0.5	BK	2050	Ground	-
2	0.5	RD	1640	Battery Positive Voltage	-
3	0.5	WH/BK	-	Data Communication (-)	-
4	0.5	L-BU	-	Data Communication (+)	-
5	0.5	OG	-	Coolant Inlet Temperature Sensor (+)	-
6	0.5	YE	-	Coolant Inlet Temperature Sensor (-)	-
7	0.5	L-BU	-	Coolant Outlet Temperature Sensor (+)	-
8	0.5	VT	-	Coolant Outlet Temperature Sensor (-)	-
9	0.5	L-GN	-	Case Ground	-
10	0.5	GY	2501	High Speed GMLAN Serial Data (-) (1)	-
11	0.5	WH	2501	High Speed GMLAN Serial Data (-) (1)	-
12	0.5	PK	2500	High Speed GMLAN Serial Data (+) (1)	-
13	0.5	TN	2500	High Speed GMLAN Serial Data (+) (1)	-
14	0.5	BN/RD	3977	Accessory Wakup Serial Data 2	-
15	0.5	OG/YE	139	Run/Crank Ignition 1 Voltage	-
16	0.5	L-GN/L-BU	3787	High Voltage Energy Management Communication Enable	-
17-20	-	-	-	Not Used	-
21	0.5	VT/GY	5139	High Voltage Fault Signal	-