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HOMESERVICE MANUALSCHEVROLET2011TAHOE BASE, 5.3 0, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1903 (WIRING SYSTEMS AND POWER MANAGEMENT - CONNECTOR END VIEWS - 2 OF 4)GLOW PLUG CONTROL MODULE (GPCM) X2 (DIESEL)
2011 Chevrolet Tahoe Base, 5.3 0, 4WD

Glow Plug Control Module (GPCM) X2 (Diesel)

2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Glow Plug Control Module (GPCM) X2 (Diesel)
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Glow Plug Control Module (GPCM) X2 (Diesel) Connector End View
GM1576764Courtesy of GENERAL MOTORS CORP.
Glow Plug Control Module (GPCM) X2 (Diesel)

Pin Wire Circuit Function
1 2 RD/WH HB13 Glow Plug 3 Supply Voltage
2 2 WH/GN HB12 Glow Plug 2 Supply Voltage
3 2 RD/GN HB11 Glow Plug 1 Supply Voltage
4 2 WH/YE HB14 Glow Plug 4 Supply Voltage
5 - - Not Used
6 2 WH/RD HB18 Glow Plug 8 Supply Voltage
7 2 RD/L-GN HB15 Glow Plug 5 Supply Voltage
8 2 WH/L-GN HB16 Glow Plug 6 Supply Voltage
9 2 PK HB17 Glow Plug 7 Supply Voltage
10-25 - - Not Used
26 0.75 YE IC182 IAH Command 2
27 0.75 RD IC185 IAH Feedback Signal
28 0.75 BK IC180 IAH Temperature Signal
29 0.75 PK IC183 IAH Current Signal
30 0.75 TN IC184 IAH Voltage Signal
31 1 OG IC181 IAH Command 1
32-42 - - Not Used
43 0.75 TN HB01 High Speed GMLAN Serial Data Bus (-)
44 0.75 TN/BK HB20 High Speed GMLAN Serial Data Bus (+)
45 0.75 TN HB05 High Speed GMLAN Serial Data Bus (-)
46 0.75 TN/BK HB06 High Speed GMLAN Serial Data Bus (+)
47-50 - - Not Used
51 0.75 RD HB03 Ground
52 0.75 PK HB02 Ignition 1 Voltage
53 1 D-BU HB04 Accessory Wakeup Serial Data
Connector Part Information 
  • OEM: 897386 6110
  • Service: See Catalog
  • Description: 53-Way F Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
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.