SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2256 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS PART 3)HVAC CONTROL MODULE X2 (C67/C42/MEX)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

HVAC Control Module X2 (C67/C42/MEX)

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION HVAC Control Module X2 (C67/C42/MEX)
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module X2 (C67/C42/MEX) Connector End View
GM1715229Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2 (C67/C42/MEX)

Pin Wire Circuit Function
1 0.35 YE 6817 LED Backlight Dimming Control
2 0.35 OG 300 Ignition 3 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 0.35 D-BU 204 A/C Low Pressure Sensor Signal (C67/MEX without C42)
7 - - Not Used
8 0.35 WH 193 Rear Defog Relay Control (C49)
9 0.35 L-GN/BK 735 Ambient Air Temperature Sensor Signal (C67 Except 8S8)
10 0.5 BK 1050 Ground
11 - - Not Used
12 0.35 D-GN 6101 Low reference (C67 Except 8S8)
13-14 - - Not Used
15 0.35 L-GN 1478 Coolant Level Switch Signal (Diesel)
16 - - Not Used
Connector Part Information 
  • OEM: 15483873
  • Service: See Catalog
  • Description: 16-Way F USCAR 0.64 Series (BU)
Terminal Part Information 
  • Terminal/Tray: SAIT-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.