Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCADILLAC2013ATS 2.0L ENG VIN X, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEMREPAIR INSTRUCTIONSCOMMUNICATION INTERFACE MODULE REPLACEMENT

2013 Cadillac ATS 2.0L Eng VIN X, AWD

Communication Interface Module Replacement

2013 Cadillac ATS 2.0L Eng VIN X, AWDSECTION Communication Interface Module Replacement

Fig 1: Communication Interface Module & Mounting Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Remove the rear window panel trim. Refer to Rear Window Panel Trim Replacement .
1	Communication Interface Module Bolt CAUTION: Refer to Fastener Caution .
2	Communication Interface Module Nuts (Qty: 2)
3	Communication Interface Module Procedure Disconnect the electrical connectors. For programming and set up, refer to Control Module References .

RENDER: 1.0x

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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.