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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2008 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC STEERING CONTROL MODULE X2 THROUGH MEMORY SEAT MODULE)COMPONENT CONNECTOR END VIEWSHVAC CONTROL MODULE X1 (CJ3)
2006 Chevrolet Suburban K2500, 6.0 U

HVAC Control Module X1 (CJ3)

2006 Chevrolet Suburban K2500, 6.0 USECTION HVAC Control Module X1 (CJ3)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module X1 (CJ3) Connector End View
GM2517715Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X1 (CJ3)

Pin Wire Circuit Function
1-7 - - Not Used
8 0.35 PK 2145 Air Temperature Switch Signal - Right
9 0.35 OG 2615 Auxiliary Mode Door Signal
10 0.35 YE 2214 Auxiliary Air Temperature Door Signal
11-17 - - Not Used
18 0.35 GY 2599 Auxiliary Mode Door Position Signal
19 0.35 PU/WH 760 Auxiliary Blower Motor Speed Signal
20 - - Not Used
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 13782501
  • Service Connector: 13578572
  • Description: 20-Way F Micro HVT Series (BN)
Terminal Part Information
  • Terminated Lead: 13575550
  • Release Tool: J-38125-559
  • Diagnostic Test Probe: J-35616-16 (L-GN)
  • Terminal/Tray: 15445905/23
  • Core/Insulation Crimp: J/J
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • 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.