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 MANUALSCADILLAC2013CTS WAGON AWD V6-3.0LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSFER CASERELAYS AND MODULES - TRANSFER CASECONTROL MODULESERVICE AND REPAIR
2013 Cadillac CTS Wagon AWD V6-3.0L
Control Module: Service and Repair
2013 Cadillac CTS Wagon AWD V6-3.0LSECTION Service and Repair
Transfer Case Shift Control Module Replacement
Removal Procedure
1. Remove the right side instrument panel insulator. Refer to Instrument Panel Insulator Replacement - Right Side (Right Hand Drive) Instrument Panel Insulator Replacement - Right Side (Right Hand Drive)Instrument Panel Insulator Replacement - Right Side (Left Hand Drive) Instrument Panel Insulator Replacement - Right Side (Left Hand Drive).
2. Remove the electrical connectors (1) from the transfer case shift control module (4).
3. Remove the transfer case shift control module (1) from the instrument panel insulator (2).
Installation Procedure
1. Install the transfer case shift control module (1) to the instrument panel insulator (2).
2. Install the electrical connectors (1) to the transfer case shift control module (4).
3. Install the right side instrument panel insulator. Refer to Instrument Panel Insulator Replacement - Right Side (Right Hand Drive) Instrument Panel Insulator Replacement - Right Side (Right Hand Drive)Instrument Panel Insulator Replacement - Right Side (Left Hand Drive) Instrument Panel Insulator Replacement - Right Side (Left Hand Drive).
4. For module programming and setup information, refer to Control Module References 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.