K56 Serial Data Gateway Module X1

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

Connector Part Information

Harness Type: Body Wiring Harness
OEM Connector: 35085331
Service Connector: 84766507
Description: 30-Way F 0.5 MQS Series (BK)

Terminal Part Information

Terminal Type ID	Terminated Lead	Diagnostic Test Probe	Terminal Removal Tool
I	19370262	EL-35616-58 (BK)	EL-38125-58
II	Not required	No Tool Required	No Tool Required

Pin	Size	Color	Circuit	Function	Terminal Type ID	Option
1	0.35	RD / BN	5940	Battery Positive Voltage	I	-
2	0.35	BU / GY	4105	AUTOSAR CAN Bus [+] 8 Serial Data	I	-
3	0.35	WH / GY	4104	AUTOSAR CAN Bus [-] 8 Serial Data	I	-
4	0.35	BK / WH	2151	Signal Ground	I	-
5 - 6	-	-	-	Not Occupied	-	-
7	0.35	WH	4100	AUTOSAR CAN Bus [-] 4 Serial Data	I	-
8	0.35	BU / VT	4101	AUTOSAR CAN Bus [+] 4 Serial Data	I	-
9	0.35	WH	4976	AUTOSAR CAN Bus [-] 3 Serial Data	I	-
10	0.35	BU / BK	4977	AUTOSAR CAN Bus [+] 3 Serial Data	I	-
11 - 12	-	-	-	Not Occupied	-	-
13	0.35	WH / GY	4104	AUTOSAR CAN Bus [-] 8 Serial Data	I	-
14	0.35	BU / GY	4105	AUTOSAR CAN Bus [+] 8 Serial Data	I	-
15	0.35	BU	4987	AUTOSAR CAN Bus [+] 1 Serial Data	I	-
16	0.35	WH	4986	AUTOSAR CAN Bus [-] 1 Serial Data	I	-
17	0.35	WH	4978	AUTOSAR CAN Bus [-] 2 Serial Data	I	-
18	0.35	BU / YE	4979	AUTOSAR CAN Bus [+] 2 Serial Data	I	-
19	0.35	BU / YE	4984	AUTOSAR CAN Bus [-] 5 Serial Data	I	-
20	0.35	BU / WH	4985	AUTOSAR CAN Bus [+] 5 Serial Data	I	-
21	0.35	BN / WH	7209	Ethernet Bus 3 [+]	I	-
22	0.35	BN	7208	Ethernet Bus 3 [-]	I	-
23 - 24	-	-	-	Not Occupied	-	-
25	0.35	BU	4987	AUTOSAR CAN Bus [+] 1 Serial Data	II	-
26	0.35	WH	4986	AUTOSAR CAN Bus [-] 1 Serial Data	II	-
27 - 30	-	-	-	Not Occupied	-	-