HVAC Control Module X1 (CJ2)

WARNING: This page is about a different car, the 2014 GMC Sierra 3500 HD, 2014 GMC Sierra 2500 HD, 2014 Chevrolet Silverado 3500 HD, and 2014 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 15491305
Service Connector: 15126709
Description: 20-Way F USCAR 64 Series (BN)

Terminal Part Information

Terminated Lead: 13575845
Release Tool: J-38125-215A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: Not Available/
Core/Insulation Crimp: P/P

HVAC Control Module X1 (CJ2)

Pin	Wire	Circuit	Function
1	0.35 WH/BK	5515	Inside Air Temperature Sensor Assembly Control
2-3	-	-	Not Used
4	0.35 D-GN	734	Inside Air Temperature Sensor Signal
5	0.35 GY	1548	Passenger Sunload Sensor Signal
6-10	-	-	Not Used
11	0.5 PK	2014	Coolant Pump Relay Control (HP2)
12-14	-	-	Not Used
15	0.35 L-BU/BK	590	Driver Sunload Sensor Signal
16	0.35 TN	516	Upper Left Air Temperature Sensor Signal
17	0.35 TN	517	Upper Right Air Temperature Sensor Signal
18-20	-	-	Not Used