K27 Fuel Pump Control Module

WARNING: This page is about a different car, the 2013 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

Connector Part Information

Harness Type: Body
OEM Connector: 89047375
Service Connector: 19178089
Description: 38-Way F 2.8 Series, Sealed (BK)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray	Core Crimp	Insulation Crimp
I	13576407	J-35616-4A (PU)	J-38125-553	15304720	15	4	5
II	13582340	J-35616-64B (L-BU)	J-38125-215A	SAITS-A03T-M064	14	9	9

K27 Fuel Pump Control Module

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	2.5	RD/VT	2640	Battery Positive Voltage	I	-
2-4	-	-	-	Not Occupied	-	-
5	0.5	L-BU	2500	High Speed GMLAN Serial Data (+) (1)	II	-
6	0.5	L-BU	2500	High Speed GMLAN Serial Data (+) (1)	II	-
7	-	-	-	Not Occupied	-	-
8	0.35	WH/L BU	5986	Serial Data Communication Enable	II	-
9	-	-	-	Not Occupied	-	-
10	0.35	L-BU/WH	7446	Fuel Line Pressure Sensor Signal	II	-
11-12	-	-	-	Not Occupied	-	-
13	2.5	GY	120	Fuel Pump Supply Voltage	I	-
14-16	-	-	-	Not Occupied	-	-
17	0.5	WH	2501	High Speed GMLAN Serial Data (-) (1)	II	-
18	0.5	WH	2501	High Speed GMLAN Serial Data (-) (1)	II	-
19	-	-	-	Not Occupied	-	-
20	0.35	L-GN/GY	465	Fuel Pump Primary Relay Control	II	-
21	0.35	VT/BK	2139	Run/Crank Ignition 1 Voltage	II	-
22	0.35	BN/RD	7445	Fuel Line Pressure Sensor 5V Reference	II	-
23	0.35	BK/YE	7447	Fuel Line Pressure Sensor Low Reference	II	-
24	0.5	L-BU	7443	Fuel System Control Module Shield Extension	II	-
25	2.5	BK	2850	Ground	I	-
26-37	-	-	-	Not Occupied	-	-
38	2.5	BK/L GN	1580	Fuel Pump Low Reference	I	-