April 5, 2026: LEMON Manuals is launched! Read the announcement.

K71 Transmission Control Module X1 (M4M)

WARNING: This page is about a different car, the 2015 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

GM1830967

Connector Part Information

Harness Type: Engine
OEM Connector: 1318757-1
Service Connector: 88988290
Description: 26-Way F 025, 090 Series (WH)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool	Service Terminal	Tray Name	Core Crimp	Insulation Crimp
I	13587509	J-35616-18 (BK)	J-38125-553	7116-4020	Yazaki 11	E	C
II	13587511	J-35616-18 (BK)	J-38125-553	7116-4021	Yazaki 11	E	A
III	19301532	J-35616-64B (LT BU)	J-38125-213	33467-0003	Delphi 23	J	J
IV	19301838	J-35616-42 (RD)	J-38125-12A	Not Available	Not Available	Not Available	Not Available
V	19329954	J-35616-12 (BU)	J-38125-553	7116-1680-02	Yazaki 12	E	A

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.75 0.75	VT/GN VT/GN	439 439	Run/Crank Ignition 1 Voltage	II V	M4M M4M
2 - 4	-	-	-	Not Occupied	-	-
5	0.5	GY/VT	4295	Transmission Main Relay Fused Supply 1	I	M4M
6	0.5 0.5	GY/VT GY/VT	4295 4295	Transmission Main Relay Fused Supply 1	I III	M4M M4M
7	0.5	YE/WH	1371	Transmission Position Switch Bit 4 Signal	IV	M4M
8 - 10	-	-	-	Not Occupied	-	-
11	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	IV	M4M
12	0.5	WH	2501	High Speed GMLAN Serial Data (-) 1	IV	M4M
13	0.5 0.5	WH WH	2501 2501	High Speed GMLAN Serial Data (-) 1	III IV	M4M M4M
14 - 15	-	-	-	Not Occupied	-	-
16	0.5	BN/GN	4296	Transmission Main Relay Control	IV	M4M
17	-	-	-	Not Occupied	-	-
18	0.5	WH	776	Transmission Position Switch Parity Bit Signal	IV	M4M
19 - 21	-	-	-	Not Occupied	-	-
22	0.5	BU	2500	High Speed GMLAN Serial Data (+) 1	IV	M4M
23 - 26	-	-	-	Not Occupied	-	-