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HOMESERVICE MANUALSCHEVROLET2007SUBURBAN C1500, 5.3 0REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1921 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC STEERING CONTROL MODULE X2 THROUGH MEMORY SEAT MODULE)COMPONENT CONNECTOR END VIEWSHVAC CONTROL MODULE X2 (CJ3)
2007 Chevrolet Suburban C1500, 5.3 0

HVAC Control Module X2 (CJ3)

2007 Chevrolet Suburban C1500, 5.3 0SECTION HVAC Control Module X2 (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 X2 (CJ3) Connector End View
GM1715229Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2 (CJ3)

Pin Wire Circuit Function
1 0.35 YE 6817 LED Backlight Dimming Control
2 0.35 OG 300 Ignition Voltage
3 0.5 BK/WH 1851 Ground
4 0.35 RD/WH 3340 Battery Positive Voltage
5 0.35 D-GN 5060 Low Speed GMLAN Serial Data
6-7 - - Not Used
8 0.35 WH 193 Rear Defog Relay Control
9 0.35 L-GN/BK 735 Outside Ambient Air Temperature Sensor Signal
10 0.5 BK 1050 Ground
11 0.35 GY 597 5-Volt Reference
12 0.35 D-GN 6101 Low Reference
13-16 - - Not Used
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 13783353
  • Service Connector: Pending
  • Description: 16-Way F USCAR 0.64 Series (BU)
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.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • 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.