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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Wiring Systems And Power Management - Component Connector End Views - K20 ECM X2 Through X85) >> Component Connector End Views >> K33 HVAC Control Module X1
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K33 HVAC Control Module X1

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
GM2180227
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 19153728
  • Service Connector: 13576644
  • Description: 20-Way F 0.64 Series (GN)
Terminal Part Information
  • Terminated Lead: Pending
  • Release Tool: Pending
  • Diagnostic Test Probe: Pending
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
K33 HVAC Control Module X1

Pin Size Color Circuit Function Option
1 - - - Not Used -
2 0.5 GY/GN 7565 Windscreen Temp Sensor Signal ASV
3 - - - Not Used -
4 0.5 BU/WH 734 Inside Air Temperature Sensor Signal CJ2 without UE1
5 0.5 YE/BU 3197 Humidity Temperature Sensor Signal ASV
6 0.5 YE/RD 597 5 Volt Reference ASV
7 0.5 BN/BK 7566 Low Reference ASV
8-11 - - - Not Used -
12 0.5 GY/BU 7564 Humidity Sensor Signal ASV
13 0.5 BU 1120 Solar Sensor Pulsed Supply Voltage CJ2 without UE1
14 0.5 GY 590 Solar Sensor Driver Signal CJ2 with UE1
15-19 - - - Not Used -
20 0.5 GN/WH 1121 Solar Sensor Combined Signal CJ2 without UE1