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.

2003 Cadillac CTS StandardFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Install the shift lock actuator (2) to the shift control assembly.
Install the three shift lock actuator attaching screws (1).

Fig 1: Locating Shift Lock Actuator & Retaining Screws
Courtesy of GENERAL MOTORS CORP.
Slide the pigtail connector (2) onto the retainer (3).
Connect the wiring harness connector (1) to the shift lock control pigtail connector (2).
Install the pigtail harness into the wire retainer (4).

Fig 2: Installing Pigtail Harness
Courtesy of GENERAL MOTORS CORP.
Install the center console assembly. Refer to CONSOLE REPLACEMENT - FRONT FLOOR in Instrument Panel, Gages and Console.
Install the shift control boot. Refer to FLOOR SHIFT CONTROL BOOT . .

Chapter Navigation

Return to Chapter: Automatic Transmission Shift Lock Actuator Replacement

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.