Skip to content
Tahoe / Yukon Service Manual

Running Board Control Module Replacement

Removal Procedure

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
Running Board Control Module Replacement — figure 1
Running Board Control Module Replacement — figure 1
  1. Using a inverted Torx bit, loosen the 3 assist step control module bracket bolts (1) by turning in the clockwise direction.
Running Board Control Module Replacement — figure 2
Running Board Control Module Replacement — figure 2
  1. Slide upwards and remove the assist step control module bracket (1), from the slots in the frame.
Running Board Control Module Replacement — figure 3
Running Board Control Module Replacement — figure 3
  1. Electrical Connector (1) » Disconnect [3x]
Running Board Control Module Replacement — figure 4
Running Board Control Module Replacement — figure 4
  1. Assist Step Control Module Bolt (1) » Remove [2x]
Running Board Control Module Replacement — figure 5
Running Board Control Module Replacement — figure 5

  1. Remove the assist step control module (2) from the assist step control module bracket (1). Installation Procedure

  2. Install the assist step control module (2) to the assist step control module bracket (1).

  1. Assist Step Control Module Bolt (1) » Install and tighten [2x] — Fastener Specifications

  2. Electrical Connector (1) » Connect [3x]

  3. Install the assist step control module bracket (1), to the slots in the frame, and slide downward.

Running Board Control Module Replacement — figure 6
Running Board Control Module Replacement — figure 6
  1. Using a inverted Torx bit, tighten the 3 assist step control module bracket bolts (1) by turning in the counter clockwise direction. Fastener Specifications
  2. Lower the vehicle.
  3. If service was performed in which the assist steps were put into the service position, it is necessary to perform the Self Test learn. Assist Step Learn
  4. If the assist step control module is replaced, it is necessary to perform the K4 Assist Step Control Module: Programming and Set Up. K4 Assist Step Control Module: Programming and Setup