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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.3 T, 4L60E/M30REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2273 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEW 5 OF 5)TRANSFER CASE SHIFT CONTROL MODULE X2 (NQH)
2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30

Transfer Case Shift Control Module X2 (NQH)

2006 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.3 T, 4L60E/M30SECTION Transfer Case Shift Control Module X2 (NQH)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transfer Case Shift Control Module X2 (NQH) Connector End View
GM1866236Courtesy of GENERAL MOTORS CORP.
Transfer Case Shift Control Module X2 (NQH)

Pin Wire Color Circuit Function
1-2 - - Not Used
3 0.5 TN/WH 1695 Axle Switch Signal
4 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
5 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus +
6 0.35 PK 239 Ignition Voltage
7-8 - - Not Used
9 0.5 YE/BK 7478 Low Reference
10 0.35 D-BU 5985 Serial Data Wake-Up Signal
11 0.5 L-GN 7479 Rotational Position Sensor Signal
12 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
13 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus +
14 0.35 YE 7474 Transfer Case Encoder Signal
15-16 - - Not Used
Connector Part Information 
  • OEM: 13547238
  • Service: See Catalog
  • Description: 16-Way F 1.5 Series (BN)
Terminal Part Information 
  • Terminal/Tray: 8240-0127/22
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
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.