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Home >> Cadillac >> 2019 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Vehicle-To-Vehicle Communication System) >> Repair Instructions >> Active Safety External Communication Module Replacement
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Active Safety External Communication Module Replacement

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
GM4538521Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Rear Window Panel Trim Replacement (With DB3)Rear Window Panel Trim Replacement (Without DB3)
1 Active Safety External Communication Module Bolt
Tighten 
9 N.m (80 lb in)
2 Active Safety External Communication Module Nut [2x]
Tighten 
9 N.m (80 lb in)
3 Active Safety External Communication Module

Procedure

  1. Disconnect the electrical connectors.
  2. Perform the necessary programming and setup procedure:Control Module References