Throttle Actuator Control Module: Installation

2007 Chevrolet Suburban C1500, 5.3 0SECTION Installation
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the TAC module. Install the TAC module nuts and tighten to specification. See TORQUE SPECIFICATIONSΒ .
  2. Connect the engine wiring harness electrical connector. Install the Red CPA retainer. Connect the I/P harness electrical connector.


  1. Bolt/snap TAC module to bracket, if necessary. If bolted together, tighten nuts to specification. See TORQUE SPECIFICATIONSΒ .
  2. Install the TAC module. Install the TAC module nuts and tighten to specification. Connect the engine wiring harness electrical connector. Connect the I/P harness electrical connector. Install the CPA retainer.
Fig 1: Locating TAC Module (4.8L, 5.3L, 6.0L & 8.1L)
G00232237Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.