2017 Cadillac CTS Base, AWDFACTORY OEM SERVICE PROCEDURE

Parking Assist Control Module Replacement

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Parking Assist Control Module
GM3459918Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the rear window panel trim. Refer to Rear Window Panel Trim Replacement (With DB3) and Rear Window Panel Trim Replacement (Without DB3) .
1 Rear Object Alarm Control Module Fastener (Qty: 2)
CAUTION: Refer to Fastener Caution .

Tighten 
4.5 N.m (40 lb in)
2 Rear Object Alarm Control Module

Procedure

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

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.