Assist Step Control Module Replacement (100 Series - Crewcab)

2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Assist Step Control Module Replacement (100 Series - Crewcab)
Fig 1: Assist Step Control Module Component Location (100 Series - Crewcab)
GM4112189Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1 Power Assist Step Controller Bolt (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
6 N.m (53 lb in)
2 Insulating Foam Tape
NOTE:

Do not apply foam tape to the label side of the module.

3 Power Assist Step Controller

Procedure

  1. Disconnect any electrical connectors.
  2. Reprogram the new controller if necessary. Refer to Control Module References .
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.