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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 944 (HVAC SYSTEM - AUTOMATIC)COMPONENT LOCATORHVAC CONNECTORSHVAC CONTROL MODULE C1
2006 Chevrolet Suburban C1500, 5.3 Z

HVAC Control Module C1

2006 Chevrolet Suburban C1500, 5.3 ZSECTION HVAC Control Module C1
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module C1 Connector End View
GM1715226Courtesy of GENERAL MOTORS CORP.
HVAC Control Module C1 Connector Parts Information

Connector Part Information 
  • OEM: 15491305
  • Service: 15126709
  • Description: 20-Way F USCAR 0.64 Series (BN)
Terminal Part Information 
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)
HVAC Control Module C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 WH/BK 5515 Inside Air Temperature Sensor Assembly Control
2-3 - - Not Used
4 D-GN 734 Inside Air Temperature Sensor Signal
5 GY 1548 Passenger Sunload Sensor Signal
6 BN 404 Upper Air Temperature Sensor Signal
7 L-GN 405 Lower Air Temperature Sensor Signal
8-13 - - Not Used
14 D-GN 5518 Auxiliary Inside Air Temperature Sensor Signal
15 L-BU/BK 590 Driver Sunload Sensor Signal
16 TN 516 Upper Left Air Temperature Sensor Signal
17 TN 517 Upper Right Air Temperature Sensor Signal
18 PK 2145 Air Temperature Switch Signal - Right
19 GY 2599 Auxiliary Mode Door Control
20 - - Not Used
RENDER: 1.0x

NO RELATED

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  • • You smell fuel, burning insulation, or see smoke.
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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.