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Home >> Cadillac >> 2019 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Cellular System, Entertainment System, And Navigation System - Repair Instructions) >> Repair Instructions >> Communication Interface Module Replacement (UI3)
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Communication Interface Module Replacement (UI3)

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.
GM3459923Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the rear window panel trim. Refer to Rear Window Panel Trim Replacement (With DB3)Rear Window Panel Trim Replacement (Without DB3) .
1 Communication Interface Module Bracket Bolt
CAUTION:

Refer to Fastener Caution .


Tighten 
2.5 N.m (22 lb in)
2 Communication Interface Module Bracket Nut (Qty: 2)
Tighten 
6.0 N.m (53 lb in)
3 Communication Interface Module

Procedure

  1. Disconnect the electrical connectors.
  2. For programming and set up, refer to Control Module References .