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.
2008 Cadillac STS VFACTORY OEM SERVICE PROCEDURE
Wiring Systems And Power Management - Component Connector End Views - 1 Of 5
Select a section or procedure below to view factory instructions:
1-2 Shift Solenoid (SS) Valve2-3 Shift Solenoid (SS) Valve4-5 Shift Solenoid (SS) ValveA/C Compressor ClutchA/C Refrigerant Pressure SensorAcceleration Sensor Module (JL7)Accelerator Pedal Position (APP) Sensor (LC3/LH2)Accelerator Pedal Position (APP) Sensor (LLT)Active Front Steering Module X1 (JL7)Active Front Steering Module X2 (JL7)Active Front Steering Module X3 (JL7)After Boil Heater Pump (RHD LH2/V92/V03)Air Quality Sensor (K14)Air Temperature Actuator - DriverAir Temperature Actuator - Front PassengerAir Temperature Actuator - Rear PassengerAir Temperature Sensor - InsideAmbient Air Temperature SensorAudio Amplifier X1 (UX8)Audio Amplifier X1 (UY5)Audio Amplifier X2 (UX8)Audio Amplifier X2 (UY5)Automatic Headlamp Dimming Relay (TQ5)Automatic Level Control (ALC) Compressor (FE1/FE3/F55)Automatic Transmission Shift Lever AssemblyAuxiliary Audio/Video Control (UY5)Auxiliary Power Outlet - Center Console 1Auxiliary Power Outlet - Center Console 2 (U42)Auxiliary Power Outlet - Front (-DT4)Auxiliary Power Outlet - RearBackup Lamp - LeftBackup Lamp - RightBarometric Pressure (BARO) Sensor (LC3)Battery Current SensorBlower Controller (RHD)Blower Controller X1 (LHD)Blower Controller X2 (LHD)Blower Motor (RHD)Blower Motor (LHD)Brake Fluid Level SwitchBrake Fluid Pressure SensorBrake Pedal Position SensorCamshaft Position (CMP) Actuator Solenoid - Exhaust Bank 1 (LC3)Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 1 (LH2)Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 1 (LLT)Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 2 (LC3)Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 2 (LH2)Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 2 (LLT)Camshaft Position (CMP) Actuator Solenoid - Intake Bank 1 (LC3)Camshaft Position (CMP) Actuator Solenoid - Intake Bank 1 (LH2)Camshaft Position (CMP) Actuator Solenoid - Intake Bank 1 (LLT)Camshaft Position (CMP) Actuator Solenoid - Intake Bank 2 (LC3)Camshaft Position (CMP) Actuator Solenoid - Intake Bank 2 (LLT)Camshaft Position (CMP) Sensor - Exhaust Bank 1 (LC3)Camshaft Position (CMP) Sensor - Exhaust Bank 1 (LH2)Camshaft Position (CMP) Sensor - Exhaust Bank 1 (LLT)Camshaft Position (CMP) Sensor - Exhaust Bank 2 (LC3)Camshaft Position (CMP) Sensor - Exhaust Bank 2 (LH2)Camshaft Position (CMP) Sensor - Exhaust Bank 2 (LLT)Camshaft Position (CMP) Sensor - Intake Bank 1 (LC3)Camshaft Position (CMP) Sensor - Intake Bank 1 (LH2)Camshaft Position (CMP) Sensor - Intake Bank 1 (LLT)Camshaft Position (CMP) Sensor - Intake Bank 2 (LC3)Camshaft Position (CMP) Sensor - Intake Bank 2 (LH2)Camshaft Position (CMP) Sensor - Intake Bank 2 (LLT)Center High Mounted Stop Lamp (CHMSL)Charge Air Cooler (CAC) Coolant Pump (LC3)Cigar Lighter (DT4)Climate Control Seat Module X1 (KA1/KB6)Climate Control Seat Module X2 (KA1/KB6)Coolant Level Switch (RHD)Cooled Seat Blower Motor - Driver Back (KB6)Cooled Seat Blower Motor - Driver Cushion (KB6)Cooled Seat Blower Motor - Passenger Back (KB6)Cooled Seat Blower Motor - Passenger Cushion (KB6)Cooling Fan - Left (V03/V09/V92)Cooling Fan - Left (-V03/V09/V92)Cooling Fan - Left (LC3)Cooling Fan - Right (V03/V92/V09)Cooling Fan - Right (-V92/V03/V09)Cooling Fan - Right (LC3)Courtesy Lamp - Left FootwellCourtesy Lamp - Left Front DoorCourtesy Lamp - Left Rear DoorCourtesy Lamp - Rear CompartmentCourtesy Lamp - Right FootwellCourtesy Lamp - Right Front DoorCourtesy Lamp - Right Rear DoorCrankshaft Position (CKP) Sensor (LC3)Crankshaft Position (CKP) Sensor (LH2)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.