Theft Deterrent Module (TDM)

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Theft Deterrent Module (TDM)
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.
GM1593355Courtesy of
Connector Part Information
  • Harness Type: Steering Column
  • OEM Connector: 15383337
  • Service Connector: 88988353
  • Description: 5-Way F MISC (BK)
Terminal Part Information
  • Terminated Lead: Service by Connector Assembly - 88988353
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64A (L-BU)
  • Terminal/Tray: 16-02-1110/20
  • Core/Insulation Crimp: H/H
Theft Deterrent Module (TDM)

Pin Wire Circuit Function
1 0.35 RD/WH 540 Battery Positive Voltage
2 0.35 BN 4 Ignition Voltage
3 0.35 BK/WH 1851 Ground
4 0.35 D-GN 5060 Low Speed GMLAN Serial Data
5 - - Not Used
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:

  • 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.