Transfer Case Shift Control Module X2 (NQF/NQH)

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: Transfer Case Shift Control Module X2 (NQF/NQH) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	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 1 Voltage
7-8	-	-	Not Used
9	0.5 YE/BK	7478	Low Reference (NQH)
10	0.5 D-BU	5985	Accessory Wakeup Serial Data
11	0.5 L-GN	7479	Rotary Position Sensor Signal (NQH)
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	Incremental Encoder Direction Signal
15-16	-	-	Not Used

Connector Part Information

OEM: 13547238
Service: 88988779
Description: 16-Way F 1.5 Series (GY)

Terminal Part Information

Terminal/Tray: 8240-0127/22
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)