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 COUPE RWD V8-6.2L SCREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - LIGHTING AND HORNSHEADLAMP CONTROL MODULELOCATIONS
2013 Cadillac CTS Coupe RWD V8-6.2L SC
Headlamp Control Module: Locations
2013 Cadillac CTS Coupe RWD V8-6.2L SCSECTION Locations
Front of Vehicle/Engine Compartment Component Views
Headlamp Components (TR7 or TF4)
1 - Headlamp Ballast - Right (T4F)
2 - Headlamp Motor - Right (TR7 with T4F)
3 - Headlamp Leveling Actuator - Right (TR7)
4 - Headlamp Control Module (T4F)
5 - Headlamp Motor - Left (TR7 with T4F)
6 - Headlamp Ballast - Left (T4F)
7 - Headlamp Leveling Actuator - Left (TR7)
8 - Headlamp Leveling Sensor - Front (TR7 without F55) or Suspension Position Sensor - Right Front (F55)
RENDER: 1.0x
NO RELATED
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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.