Electronic Power Steering Motor Control Module X2 (HP2)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Electronic Power Steering Motor Control Module X2 (HP2)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
GM2146536Courtesy of
Connector Part Information
  • Harness Type: Electronic Power Steering Dynamic Break
  • OEM Connector: Not Available
  • Service Connector: Service by Component Assembly - See Part Catalog
  • Description: 11-Way F (WH with BK case)
Terminal Part Information
  • Terminated Lead: Service by Component Assembly - See Part Catalog
  • Release Tool: Not Available
  • Diagnostic Test Probe: Not Available
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
Electronic Power Steering Motor Control Module X2 (HP2)

Pin Wire Circuit Function
1 BK - 42V (-)
2 BK - 42V (+)
3 WH - High Speed GMLAN Serial Data Bus (+)
4 YE - High Speed GMLAN Serial Data Bus (+)
5 GN - High Speed GMLAN Serial Data Bus (-)
6 RD - Battery Positive Voltage - 12V (+)
7 - - Not Used
8 L-BU - High Speed GMLAN Serial Data Bus (-)
9 BK - Serial Data Communication Enable
10-11 - - Not Used
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.