Control Solenoid Valve Assembly X3 (MYC/MYD/M99)

2006 Chevrolet Suburban C2500, 6.0 USECTION Control Solenoid Valve Assembly X3 (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 X3 (MYC/MYD/M99) Connector End View
GM130631Courtesy of GENERAL MOTORS CORP.
Control Solenoid Valve Assembly X3 (MYC/MYD/M99)

Pin Wire Circuit Function
A GN - Input Speed Sensor (ISS) Signal
B RD - ISS/OSS Supply Voltage
C BK - Output Speed Sensor (OSS) Signal
Connector Part Information 
  • OEM: 12064758
  • Service: 12117320
  • Description: 3-Way F Metri-Pack 150 Series (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

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.

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.