K33 HVAC Control Module X2
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
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Connector Part Information
- Harness Type: HVAC
- OEM Connector: 15126709
- Service Connector: Service by Harness - See Part Catalog
- Description: 20-Way F USCAR 64 Series (BN with WH Terminal Position Assurance)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
Service Terminal |
Tray Name |
Core Crimp |
Insulation Crimp |
| I |
Not Required |
J-35616-64B (LT BU) |
No Tool Required |
Not Required |
Not Required |
Not Required |
Not Required |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
RD/VT |
3340 |
Battery Positive Voltage |
I |
- |
| 2 |
0.35 |
GN |
5060 |
Low Speed GMLAN Serial Data |
I |
- |
| 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
0.35 |
GN/YE |
7531 |
Local Interconnect Network Serial Data Bus 9 |
I |
- |
| 5 - 7 |
- |
- |
- |
Not Occupied |
- |
- |
| 8 |
0.35 |
BK/WH |
1851 |
Signal Ground |
I |
- |
| 9 |
0.5 |
VT/GY |
539 |
Run/Crank Ignition 1 Voltage |
I |
- |
| 10 |
0.5 |
BU/YE |
7574 |
Electric Variable Displacement Control |
I |
- |
| 11 |
0.5 |
BU/BN |
7573 |
Electric Variable Displacement Supply |
I |
- |
| 12 - 14 |
- |
- |
- |
Not Occupied |
- |
- |
| 15 |
0.5 |
BU/GY |
754 |
Blower Motor Speed Control |
I |
- |
| 16 |
0.35 |
GN/BK |
2211 |
Rear Blower Motor Speed Control |
I |
- |
| 17 |
0.35 |
GY/RD |
598 |
5V Reference |
I |
- |
| 18 |
0.35 |
BK/YE |
1791 |
Air Temperature Door Control Low Reference |
I |
- |
| 19 |
0.35 |
BN/VT |
193 |
Rear Defog Relay Control |
I |
- |
| 20 |
- |
- |
- |
Not Occupied |
- |
- |