K33 HVAC Control Module X2
WARNING: This page is about a different car, the 2022 Cadillac XT4. 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: Instrument Panel Wiring Harness
- OEM Connector: 35162720
- Service Connector: 13525992
- Description: 20-Way F 0.64 Series (BN)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
13584547 |
J-35616-64B (L-BU) |
J-38125-215A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
RD / WH |
3440 |
Battery Positive Voltage |
I |
- |
| 2 |
0.35 |
GN |
5060 |
Low Speed GMLAN Serial Data |
I |
- |
| 3 |
- |
- |
- |
Not Occupied |
- |
- |
| 4 |
0.35 |
GN / YE |
7531 |
HVAC Control Module LIN Bus 1 |
I |
- |
| 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.35 |
GN / BU |
4119 |
HVAC Control Module LIN Bus 2 |
I |
- |
| 7 |
0.35 |
VT |
3195 |
Auxiliary Heater Control |
I |
- |
| 8 |
0.5 |
BK / WH |
1651 |
Signal Ground |
I |
- |
| 9 |
0.35 |
VT / GY |
539 |
Run/Crank Ignition 1 Voltage |
I |
- |
| 10 |
0.35 |
BU / YE |
7574 |
A/C Compressor Solenoid Valve Control |
I |
- |
| 11 |
0.35 |
BU / BN |
7573 |
A/C Compressor Solenoid Valve Control |
I |
- |
| 12 - 14 |
- |
- |
- |
Not Occupied |
- |
- |
| 15 |
0.5 |
BU / GY |
754 |
Blower Motor Speed Control |
I |
- |
| 16 - 17 |
- |
- |
- |
Not Occupied |
- |
- |
| 18 |
0.13 |
BN |
7567 |
Solar Sensor Low Reference |
I |
- |
| 19 |
0.35 |
BN |
193 |
Rear Defogger Relay Control |
I |
- |
| 20 |
- |
- |
- |
Not Occupied |
- |
- |