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 MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTSEATSPOWER SEAT SYSTEM
2002 Chevrolet Avalanche 2500, RWD
Power Seat System
2002 Chevrolet Avalanche 2500, RWDSECTION Power Seat System
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Seats (Chevy and GMC)
- Diagnostic Starting Point - Seats (Escalade)
- Diagnostic System Check - Power Seat Systems
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415
- DTC B1826
- Symptoms - Seats
- Power Seat Inoperative (Escalade with Memory)
- Power Seat Inoperative (Chevy and GMC with Memory)
- Power Seat Inoperative (w/o Memory)
- Power Seat Does Not Move Forward/Rearward (Escalade with Memory)
- Power Seat Does Not Move Forward/Rearward (Chevy and GMC with Memory)
- Power Seat Does Not Move Forward/Rearward (w/o Memory)
- Power Seat Does Not Tilt Forward (Escalade with Memory)
- Power Seat Does Not Tilt Forward (Chevy and GMC with Memory)
- Power Seat Does Not Tilt Forward (w/o Memory)
- Power Seat Does Not Tilt Rearward (Escalade with Memory)
- Power Seat Does Not Tilt Rearward (Chevy and GMC with Memory)
- Power Seat Does Not Tilt Rearward (w/o Memory)
- Power Seat Does Not Recline (Escalade with Memory)
- Power Seat Does Not Recline (Chevy and GMC with Memory)
- Power Seat Does Not Recline (w/o Memory)
- Memory Seat Feature Inoperative (Chevy and GMC)
- Memory Seat Feature Inoperative (Escalade )
- Lumbar Support Inoperative
- Heated Seat Always On
- Heated Seat Inoperative
- Heated Seat Always On - Rear
- Heated Seat Inoperative - Rear
- Heated Seat Switch Mode Indicator Malfunction
- Seat - Manual Adjuster Does Not Unlock
- Seat - Manual Adjuster Does Not Lock
- Seat - Hard to Move Forward and Rearward
- Repair Instructions
- Seat Replacement - Front Bucket
- Seat Replacement - Center
- Seat Cushion Frame Replacement - Front
- Seat Cushion Trim Cover and Pad Replacement
- Seat Back Cover and Pad Replacement - Front
- Seat Back Frame Replacement - Front
- Seat Back Hinge/Recliner Mechanism Replace - Front
- Seat Back Recliner Handle Replacement - Front
- Lumbar Replacement - Front Seat (Manual)
- Lumbar Replacement - Front Seat (Power Lumbar/Bolster)
- Lumbar Support Knob Replacement
- Lumbar Switch Replacement
- Seat Adjuster Replacement - Front (Manual)
- Seat Adjuster Replacement - Front (Power)
- Seat Adjuster Track Cover Replacement - Front
- Seat Adjuster Motor Replacement - Front
- Seat Switch Replacement - Power
- Seat Switch Bezel 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
- Head Restraint Replacement (Non-Cadillac)
- Head Restraint Replacement (Cadillac)
- Head Restraint Replacement (Folding)
- Head Restraint Retainer Replacement - Front Seat
- Armrest Replacement - Front Seat
- Cupholder Replacement - Front Seat
- Trim Panel Replacement - Front Seat
- Seat Replacement - Rear (60/40 Split)
- Seat Replacement - Rear (50/50 Split 2nd Rear)
- Seat Replacement - Rear Bench
- Seat Cushion Frame Replacement - Rear (60/40 Split - 50/50 Split)
- Seat Cushion Cover and Pad Replacement - Rear (60/40 - 50/50 Split)
- Seat Cushion Cover and Pad Replacement - Rear (Bench)
- Seat Back Cover and Pad Replacement - Rear (60/40 - 50/50 Split)
- Seat Back Cover and Pad Replacement - Rear (Bench)
- Seat Back Frame Replacement - Rear (60/40 - 50/50 Split)
- Seat Back Frame Replacement - Rear (Bench)
- Seat Back Cover Replacement - Rear Folding
- Seat Back Latch Replacement - Rear
- Heated Seat Switch Replacement - Rear
- Seat Cushion Heater Replacement - Rear
- Armrest Replacement - Rear Seat (60/40 - 50/50 Split)
- Armrest Replacement - Rear Seat (Bucket)
- Description and Operation
- Special Tools and Equipment
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.