Installation Procedure

2025 Chevrolet Tahoe PPV, RWDSECTION Installation Procedure
  1. GM5645949Courtesy of GENERAL MOTORS COMPANY

    Transmission Control Module (1) - Install

  2. Engine Control Module Bracket (2) - Install
  3. GM5535962Courtesy of GENERAL MOTORS COMPANY

    Reconnect the transmission control module electrical connector (1).

  4. GM5645951Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Engine Control Module Bracket Bolt (1) - Install and tighten [3x] - Fastener Specifications

  5. GM5527226Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module (1) - Install

  6. GM5647258Courtesy of GENERAL MOTORS COMPANY

    Engage the 2 wiring harness retainers (1).

  7. GM5645486Courtesy of GENERAL MOTORS COMPANY

    Engage the 2 wiring harness retainers (2).

  8. Reconnect the 3 electrical connectors (1) to the engine control module.
  9. Reposition the front wheelhouse liner forward.
  10. GM5513751Courtesy of GENERAL MOTORS COMPANY

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  11. GM5513749Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Retainer (2) - Install

  12. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
  13. GM5513747Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  14. GM5522093Courtesy of GENERAL MOTORS COMPANY

    {If equipped} Front Tire Front Air Deflector Bolt (1) - Install and tighten - Fastener Specifications

  15. Install the front tire and wheel assembly. Tire and Wheel Removal and Installation (Steel Wheel) , or Tire and Wheel Removal and Installation (Aluminum Wheel)
  16. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1 / 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
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.