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HOMESERVICE MANUALSCHEVROLET2015SILVERADO 1500 HIGH COUNTRY, 5.3L ENG VIN C, RWD, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2269 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC COMPASS MODULE TO MEMORY SEAT MODULE (X4))COMPONENT CONNECTOR END VIEWSHVAC CONTROL MODULE X1 (CJ3)
2015 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN C, RWD, Gas

HVAC Control Module X1 (CJ3)

2015 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN C, RWD, GasSECTION HVAC Control Module X1 (CJ3)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
GM2517715Courtesy of
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
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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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.