SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 676 (ENGINE CONTROLS - 6.6L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS CONNECTORSGLOW PLUG CONTROL MODULE (GPCM) - C2
2006 Chevrolet Suburban C1500, 5.3 Z

Glow Plug Control Module (GPCM) - C2

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Glow Plug Control Module (GPCM) - C2
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Glow Plug Control Module (GPCM) - C2

GM1576764Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: DOC00056511
  • Service: See catalog
  • Description: 53-Way F, Sealed (BK)
Pin Wire Color Circuit No. Function
1 RD/WH HB13 Glow Plug 3 Supply Voltage
2 WH/GN HB12 Glow Plug 2 Supply Voltage
3 RD/GN HB11 Glow Plug 1 Supply Voltage
4 WH/YE HB14 Glow Plug 4 Supply Voltage
5 - - Not Used
6 WH/D-BU HB18 Glow Plug 8 Supply Voltage
7 RD/L-GN HB15 Glow Plug 5 Supply Voltage
8 WH/L-GN HB16 Glow Plug 6 Supply Voltage
9 RD/D-BU HB17 Glow Plug 7 Supply Voltage
10-25 - - Not Used
26 YE IC182 IAH Command 2
27 RD IC185 IAH Feedback Signal
28 BK IC180 IAH Temperature Signal
29 PK IC183 IAH Current Signal
30 TN IC184 IAH Voltage Signal
31 OG IC181 IAH Command 1
32-42 - - Not Used
43 TN 2501 High Speed GMLAN Serial Data Bus - (M/T)
L-BU 6106 High Speed GMLAN Serial Data Bus - (A/T)
44 TN/BK 2501 High Speed GMLAN Serial Data Bus + (M/T)
D-BU 6105 High Speed GMLAN Serial Data Bus + (A/T)
45-50 - - Not Used
51 RD HB03 Ground
52 PK 239 Ignition 1 Voltage
53 WH 1020 Ignition 0 Voltage
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.