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.
2007 Cadillac XLR BaseFACTORY OEM SERVICE PROCEDURE
Power Seat System
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Power Seat Component Views
- Power Seat Connector End Views
- Climate Control Seat Module - Driver C1
- Climate Control Seat Module - Driver C2
- Climate Control Seat Module - Passenger C1
- Climate Control Seat Module - Passenger C2
- Heated/Cooled Seat Blower Motor - Driver
- Heated/Cooled Seat Blower Motor - Passenger
- Lower Lumbar Switch - Driver
- Lower Lumbar Switch - Passenger
- Lumbar Pump/Control Module Assembly - Driver
- Lumbar Pump/Control Module Assembly - Passenger
- Memory Seat Module - Driver C1
- Memory Seat Module - Driver C2
- Memory Seat Module - Driver C3
- Memory Seat Switch
- Seat Adjuster Motor Assembly - Driver C1
- Seat Adjuster Motor Assembly - Driver C2
- Seat Adjuster Motor Assembly - Driver C3
- Seat Adjuster Motor Assembly - Driver C4
- Seat Adjuster Motor Assembly - Front Passenger
- Seat Adjuster Switch - Driver
- Seat Adjuster Switch - Front Passenger
- Seat Back Heated/Cooled Ventilation Module - Driver
- Seat Back Heated/Cooled Ventilation Module - Passenger
- Seat Cushion Heated/Cooled Ventilation Module - Driver
- Seat Cushion Heated/Cooled Ventilation Module - Passenger
- Seat Recline Motor - Driver C1
- Seat Recline Motor - Driver C2
- Seat Recline Motor - Front Passenger
- Upper Lumbar Switch - Driver
- Upper Lumbar Switch - Passenger
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B1336
- DTC B1420
- DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815 or B1820
- DTC B1825, B1850, B2355, B2365 or B2375
- DTC B1826, B1851, B1861, B2356, B2366 or B2376
- DTC B2757, B2762, B2767 or B2772
- Symptoms - Power Seats
- Lumbar Support Inoperative
- Memory Seat Feature Inoperative
- Power Seat Inoperative (w/o A45)
- Power Seat Inoperative (w/A45)
- Repair Instructions
- Driver Seat and Passenger Seat Recliner Knob Replacement
- Driver Seat and Passenger Seat Adjuster Switch Knob Replacement
- Driver Seat Adjuster and Recliner Switch Replacement
- Passenger Seat Adjuster and Recliner Switch Replacement
- Memory Seat Control Module Replacement
- Memory Seat Calibration
- Driver Seat Adjuster Replacement
- Passenger Seat Adjuster Replacement
- Lumbar Switch Replacement
- Lumbar Bladder Replacement
- Lumbar Pump Replacement
- Seat Lumbar Sub System Replacement
- Description and Operation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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