HVAC Control Module X2 (CJ2)

2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN ASECTION HVAC Control Module X2 (CJ2)
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Fig 1: HVAC Control Module X2 (CJ2) Connector End View
GM1653409Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2 (CJ2)

Pin Wire Color Circuit Function
1 0.35 RD/WH 3340 Battery Positive Voltage
2 - - Not Used
3 0.5 GY 970 5-Volt Reference (HP2)
4 0.35 L-GN/BK 735 Ambient Air Temperature Sensor Signal
5 0.35 D-GN 5060 Low Speed GMLAN Serial Data
6 0.35 D-BU 204 A/C Low Pressure Sensor Signal (except HP2)
7 - - Not Used
8 0.5 BK/WH 1851 Ground
9 0.35 OG 300 Ignition Voltage
10 0.35 WH 193 Rear Defog Relay Control
11-14 - - Not Used
15 0.5 BK 1050 Ground
16 0.35 D-GN 6101 Low Reference
Connector Part Information 
  • OEM: 15491285
  • Service: 15136073
  • Description: 16-Way F Kaizen 0.64 (BK)
Terminal Part Information 
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)
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.