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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2155 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS PART 1)CONTROL SOLENOID VALVE ASSEMBLY X1 (MYC/MYD/M99)
2006 Chevrolet Suburban C2500, 6.0 U

Control Solenoid Valve Assembly X1 (MYC/MYD/M99)

2006 Chevrolet Suburban C2500, 6.0 USECTION Control Solenoid Valve Assembly X1 (MYC/MYD/M99)
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: Control Solenoid Valve Assembly X1 (MYC/MYD/M99) Connector End View
GM1653381Courtesy of GENERAL MOTORS CORP.
Control Solenoid Valve Assembly X1 (MYC/MYD/M99)

Pin Wire Circuit Function
1-2 - - Not Used
3 0.35 OG/BK 1786 Ignition Lock Cylinder Control Actuator Signal (MYC/MYD)
0.5 OG/BK 1786 Ignition Lock Cylinder Control Actuator Signal (M99)
4 0.5 RD/WH 1840 Battery Positive Voltage
5 0.8 BK/WH 451 Ground
6 0.5 L-BU/WH 6311 Brake Switch Signal
7-8 - - Not Used
9 0.35 D-BU 5985 Accessory Wakeup Serial Data
10 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
11 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
12 0.5 PK 2139 Ignition 1 Voltage
13 0.5 TN 2501 High Speed GMLAN Serial Data Bus -
14 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
15 - - Not Used
16 0.35 OG/BK 6399 Replicated TOS Signal
Connector Part Information 
  • OEM: 15491328
  • Service: 19149759
  • Description: 16-Way F 1.5 Series Sealed (BK)

Terminal Part Information 
  • Terminal/Tray: 2 21 24 47220 0/12
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-28/J-35616-66 (YE)
RENDER: 1.0x

NO RELATED

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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.