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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2005 Cadillac CTS V
Seat System
2005 Cadillac CTS VSECTION Seat System
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Seats
- 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, B1860, B2355, B2365, or B2375
- DTC B1826, B1851, B1861, B2356, B2366, or B2376
- DTC B1830, B1835, B1840 or B1845
- DTC B2757, B2762, B2767, or B2772
- Symptoms - Seats
- Power Seat Inoperative (with A45)
- Power Seat Inoperative (w/o A45)
- Memory Seat Feature Inoperative
- Lumbar Support Inoperative (w/o A45)
- Lumbar Support Inoperative (with A45)
- Heated Seat Always On
- Heated Seat Inoperative
- Heated Seat Temperature Adjustment Inoperative
- Heated Seat Switch Mode Indicator Malfunction
- Repair Instructions
- Seat Replacement - Bucket
- Seat Cushion Replacement - Front
- Seat Cushion Cover and Pad Replacement - Front
- Seat Back Cover and Pad Replacement - Front
- Seat Back Frame Replacement - Front
- Seat Back Recliner Replacement - Front
- Power Recliner Sensor Replacement - Front
- Power Recliner Motor Replacement - Front Seat
- Seat Back Trim Replacement - Front
- Lumbar Replacement - Front Seat
- Lumbar Switch Replacement
- Seat Adjuster Replacement - Front
- Seat Switch Replacement - Power
- Seat Adjuster Motor Replacement - Horizontal
- Seat Adjuster Motor Replacement - Vertical
- Drive Cable Replacement - Horizontal
- Sensor Replacement - Seat Adjuster Motor - Vertical
- Sensor Replacement - Seat Adjuster Motor - Horizontal
- Memory Seat Switch Replacement
- Memory Seat Control Module Replacement
- Memory Seat Calibration Procedure
- Heated Seat Switch Replacement - Front
- Seat Back Heater Element Replacement - Front
- Seat Cushion Heater Element Replacement - Front
- Heated Seat Control Module Replacement - Front
- Head Restraint Replacement - Front Seat
- Head Restraint Cover Replacement - Front Seat
- Head Restraint Retainer Replacement - Front Seat
- Seat Cushion Replacement - Rear
- Seat Cushion Cover and Pad Replacement - Rear
- Seat Back Cover and Pad Replacement - Rear
- Seat Back Replacement - Rear
- Seat Back Release Latch Replacement - Rear
- Seat Back Cover and Pad - Rear Split Folding
- Armrest Replacement - Rear Seat
- Head Restraint Replacement - Rear Seat
- Head Restraint Retainer Replacement - Rear Seat
- Description and Operation
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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.