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K56 Serial Data Gateway Module X1

WARNING: This page is about a different car, the 2022 GMC Terrain and 2022 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
GM4900333Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type:Instrument Panel Wiring Harness
  • OEM Connector: 13519319
  • Service Connector: 13519319
  • Description: 30 -Way F 0.5 MQS Series(BK with GY Terminal Position Assurance)
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 Not Available No Tool Required
Pin Size Color Circuit Function Terminal Type ID Option
1 0.35 RD / GN 3140 Battery Positive Voltage I -
2 - 3 - - - Not Occupied - -
4 0.35 BU / GY 3935 High Speed GMLAN Serial Data [+] 8 I KSG
5 0.35 WH / GY 3936 High Speed GMLAN Serial Data [-] 8 I KSG
6 0.35 BK 1650 Ground I -
7 - - - Not Occupied - -
8 0.35 BU / GN 1304 High Speed GMLAN Serial Data [+] 9 I -
9 0.35 WH / GN 1305 High Speed GMLAN Serial Data [-] 9 I -
10 0.35 WH / BU 5986 Serial Data Communication Enable II -
11 0.35 BU / GN 1304 High Speed GMLAN Serial Data [+] 9 II -
12 0.35 WH / GN 1305 High Speed GMLAN Serial Data [-] 9 II -
13 0.35 BU / WH 2089 High Speed GMLAN Serial Data [+] 13 I -
14 0.35 WH 2090 High Speed GMLAN Serial Data [-] 13 I -
15 0.35 BU / BK 1978 High Speed GMLAN Serial Data [+] 11 I -
16 0.35 WH 1979 High Speed GMLAN Serial Data [-] 11 I -
17 0.35 BU / BN 1980 High Speed GMLAN Serial Data [+] 12 I -
18 0.35 WH 1981 High Speed GMLAN Serial Data [-] 12 I -
19 - - - Not Occupied - -
20 0.35 GN 5060 Low Speed GMLAN Serial Data I -
21 - 25 - - - Not Occupied - -
26 0.35 GN / WH 2100 Low Speed GMLAN Serial Data 3 I -
27 - 29 - - - Not Occupied - -
30 0.35 GY / GN 1102 Low Speed GMLAN Serial Data 2 I -