Transmission Control Module (TCM) Replacement (3.6L)

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Transmission Control Module (TCM) Replacement (3.6L)
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Transmission Control Module
GM1617083Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) Replacement (3.6L)

Callout Component Name
Fastener Tightening Specifications:Β  Refer to Fastener Tightening Specifications .

Preliminary Procedures

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (L26) or Battery Negative Cable Disconnect/Connect Procedure (LY7) .
  2. Remove the air cleaner housing. Refer to Air Cleaner Assembly Replacement in Engine Controls-3.6 L.
1 Module, Transmission Control (TCM).
Tip:Β 
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.