K38A Chassis Control Module - Auxiliary (L5P+N2N)
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Chassis Wiring Harness
- OEM Connector: 15498534
- Service Connector: 19329924
- Description: 38-Way F 1.5 CTS, 2.8 MCP, 4.8 MCP Series, Sealed (BK with BK Inner Connector)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
19368624 |
J-35616-35 (VT) |
J-38125-212 |
| II |
19369235 |
J-35616-14 (GN) |
EL-38125-560A |
| III |
85158596 |
J-35616-40 (BU) |
EL-38125-560A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
RD/WH |
2040 |
Battery Positive Voltage |
III |
- |
| 2 - 12 |
- |
- |
- |
Not Occupied |
- |
- |
| 13 |
0.75 |
BK |
1750 |
Ground |
III |
- |
| 14 |
0.5 |
VT/YE |
5985 |
Accessory Wake-Up Serial Data |
II |
- |
| 15 - 21 |
- |
- |
- |
Not Occupied |
- |
- |
| 22 |
0.5 |
YE/BK |
2224 |
Trailer Brake Enable Signal |
II |
- |
| 23 |
0.5 |
WH/BK |
2223 |
Trailer Brake Apply Signal |
II |
- |
| 24 |
- |
- |
- |
Not Occupied |
- |
- |
| 25 |
0.5 |
VT/GN |
439 |
Run/Crank Ignition 1 Voltage |
I |
- |
| 26 |
0.5 |
BU |
2500 |
High Speed GMLAN Serial Data [+] 1 |
II |
- |
| 27 |
0.5 |
BU |
2500 |
High Speed GMLAN Serial Data [+] 1 |
II |
- |
| 28 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data [-] 1 |
II |
- |
| 29 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data [-] 1 |
II |
- |
| 30 |
0.5 |
GN/VT |
4114 |
Chassis Control Module LIN Bus 1 |
II |
- |
| 31 - 38 |
- |
- |
- |
Not Occupied |
- |
- |