Engine Control Module 2, Slave: Installing

2005 Audi A6 3.2 TSECTION Installing
WARNING: This page is about a different car, the 2011 Audi S6, 2010 Audi S6, 2009 Audi S6, 2008 Audi S6, and 2007 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal.

  • After that, the Engine Control Module (ECM) 2 -J624- must be equipped with the metal retainer.
  • Clean threaded holes for shear bolts of locking compound residue. Cleaning can be performed with a thread cutter (tap).
  • Always use new shear bolts.
  • Carefully clip cowl grille back into retainer on windshield.

The procedures to follow after connecting the new ECM are described in Guided Fault-Finding and Guided Functions.

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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.