K38 Chassis Control Module
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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Connector Part Information
- Harness Type: Chassis
- OEM Connector: 33102981
- Service Connector: 19329471
- Description: 38-Way F 1.5 CTS, 2.8 MCP, 4.8 MCP Series, Sealed (BK)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
19119381 |
J-35616-64B (LT BU) |
J-38125-215A |
| II |
19119560 |
J-35616-40 (BU) |
J-38125-556 |
| III |
19119772 |
J-35616-35 (VT) |
J-38125-557 |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.75 |
RD/WH |
2040 |
Battery Positive Voltage |
II |
- |
| 2 - 12 |
- |
- |
- |
Not Occupied |
- |
- |
| 13 |
0.75 |
BK |
1750 |
Ground |
II |
- |
| 14 |
0.5 |
VT/YE |
5985 |
Accessory Wakeup Serial Data |
I |
- |
| 15 |
- |
- |
- |
Not Occupied |
- |
- |
| 16 |
0.5 |
D-BU/RD |
7632 |
Integrated Trailer Brake Controller Switch 5 Volt Reference |
I |
- |
| 17 |
0.5 |
D-BU |
47 |
Trailer Auxiliary Control |
I |
EARLY PRODUCTION |
| 18 |
0.5 |
BN |
7634 |
Integrated Trailer Brake Controller Redundant Manual Apply Signal |
I |
- |
| 19 |
0.5 |
BK/BN |
7631 |
Integrated Trailer Brake Controller Switch Low Reference |
I |
- |
| 20 |
0.5 |
YE |
7635 |
Integrated Trailer Brake Controller Manual Apply Signal |
I |
- |
| 21 |
0.5 |
L-GN/BK |
7633 |
Integrated Trailer Brake Controller User Gain Signal |
I |
- |
| 22 |
0.5 |
YE/BK |
2224 |
Trailer Brake Enable Signal |
I |
- |
| 23 |
0.5 |
WH/BK |
2223 |
Trailer Brake Control Signal |
I |
- |
| 24 |
- |
- |
- |
Not Occupied |
- |
- |
| 25 |
0.75 |
PU/L-GN |
439 |
Run/Crank Ignition 1 Voltage |
III |
- |
| 26 |
0.5 |
D-BU |
2500 |
High Speed GMLAN Serial Data (+) (1) |
I |
- |
| 27 |
0.5 |
D-BU |
2500 |
High Speed GMLAN Serial Data (+) (1) |
I |
- |
| 28 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data (-) (1) |
I |
- |
| 29 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data (-) (1) |
I |
- |
| 30 |
0.5 |
GY |
2225 |
Trailer Brake Current Feedback Signal |
I |
- |
| 31 - 38 |
- |
- |
- |
Not Occupied |
- |
- |