X176 Transmisson Case to Automatic Transmission Control Wiring Harness

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY	Courtesy of GENERAL MOTORS COMPANY
Connector Part Information Harness Type: Transmisson Case OEM Connector: 1897543-1 Service Connector: Service by Harness - See Part Catalog Description: 22-Way F 0.64 Micro-Quadlock, 2.8 Micro-Power Series (NA)	Connector Part Information Harness Type: Automatic Transmission Control Wiring Harness OEM Connector: 1897540-1 Service Connector: Service by Harness - See Part Catalog Description: 22-Way M 0.64 Micro-Quadlock, 2.8 Micro-Power Series (NA)

Terminal Part Information

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

Pin	Size	Color	Circuit	Terminal Type ID	Option	Function	Pin	Size	Color	Circuit	Terminal Type ID	Option
1	- -	GN / WH VT	6380 7819	I I	M5N MQA	Torque Converter Clutch Enable Solenoid Valve A Control Default Disable Solenoid Control	1	- -	GN / WH VT	6380 7819	II II	M5N MQA
2	- -	BU / WH GN / OG	3338 1530	I I	M5N MQA	Transmission Internal Mode Switch Mode Control X Transmission Line Pressure Control Solenoid Valve Control	2	- -	BU / WH GN / OG	3338 1530	II II	M5N MQA
3	-	GY / BN	422	I	-	Torque Converter Clutch Solenoid Valve Control	3	-	GY / BN	422	II	-
4	- -	VT / BU GN / GY	5294 6387	I I	M5N MQA	Powertrain Main Relay Fused Supply Voltage 5 Transmission High Side Driver 1 Control	4	- -	VT / BU GN / GY	5294 6387	II II	M5N MQA
5	-	WH / RD	480	I	M5N	Engine Control Vehicle Sensors 5 Volt Reference 1	5	-	WH / RD	480	II	M5N
6	-	YE	6317	I	-	Electronic Transmission Range Select Out of Park Switch Signal	6	-	YE	6317	II	-
7	- -	WH / BU YE / GY	4507 6319	I I	M5N MQA	Transmission Clutch H Control Electronic Transmission Range Select Out of Park Switch 2 Signal	7	- -	WH / BU YE / GY	4507 6319	II II	M5N MQA
8	- -	GN / WH GN	1530 4170	I I	M5N MQA	Transmission Line Pressure Control Solenoid Valve Control Transmission Output Shaft Speed Sensor Circuit 9V Reference	8	- -	GN / WH GN	1530 4170	II II	M5N MQA
9	- -	WH WH / YE	4508 2159	I I	M5N MQA	Transmission Clutch G Control Park Inhibit Solenoid Assembly Control	9	- -	WH WH / YE	4508 2159	II II	M5N MQA
10	- -	YE / BN BK / GY	6210 6315	I I	M5N MQA	Torque Converter Clutch Enable Solenoid Valve B Control Electronic Transmission Range Select Pressure Switch Signal	10	- -	YE / BN BK / GY	6210 6315	II II	M5N MQA
11	- -	GN / YE BU	3337 4171	I I	M5N MQA	Transmission Internal Mode Switch Mode Control Y Transmission Input Shaft Speed Sensor Circuit 9V Reference	11	- -	GN / YE BU	3337 4171	II II	M5N MQA
12	-	-	-	-	-	Not Occupied	12	-	-	-	-	-
13	- -	GY BK / BN	6402 586	I I	M5N MQA	Clutch Solenoid Valve C Control Transmission Fluid Temperature Sensor Low Reference	13	- -	GY BK / BN	6402 586	II II	M5N MQA
14	- -	VT / WH BN / WH	422 585	I I	M5N MQA	Torque Converter Clutch Solenoid Valve Control Transmission Fluid Temperature Sensor Signal	14	- -	VT / WH BN / WH	422 585	II II	M5N MQA
15	- -	BN / WH BU / GN	585 6404	I I	M5N MQA	Transmission Fluid Temperature Sensor Signal Clutch Solenoid Valve E Control	15	- -	BN / WH BU / GN	585 6404	II II	M5N MQA
16	- -	BK / BN GN / BN	586 6403	I I	M5N MQA	Transmission Fluid Temperature Sensor Low Reference Clutch Solenoid Valve D Control	16	- -	BK / BN GN / BN	586 6403	II II	M5N MQA
17	-	GY	6402	I	-	Clutch Solenoid Valve C Control	17	-	GY	6402	II	-
18	- -	WH / BN WH	6388 6388	I I	M5N MQA	Transmission High Side Driver 2 Control Transmission High Side Driver 2 Control	18	- -	GY / BN WH	6388 6388	II II	M5N MQA
19	-	-	-	-	-	Not Occupied	19	-	-	-	-	-
20	- -	BK / GY BN / WH	3927 4509	I I	M5N MQA	Transmission Internal Mode Switch Feedback Signal Transmission Clutch F Control	20	- -	BK / GY BN / WH	3927 4509	II II	M5N MQA
21	- -	BN YE / VT	6400 4507	I I	M5N MQA	Clutch Solenoid Valve A Control Transmission Clutch H Control	21	- -	BN YE / VT	6400 4507	II II	M5N MQA
22	- -	BU BU / GY	6401 4508	I I	M5N MQA	Clutch Solenoid Valve B Control Transmission Clutch G Control	22	- -	BU BU / GY	6401 4508	II II	M5N MQA