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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2025 Chevrolet Suburban LS, 4WD
Power Seats
2025 Chevrolet Suburban LS, 4WDSECTION Power Seats
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC B1090 - B1095, B1A84, or B1A85
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B1105
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTCs
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B14E0 or B14E1
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B14E2, B14E3, B14E6, or B14E7
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B196D
- DTC B196E
- DTC B196F
- DTC B19B6
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTCs
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B1A65 - B1A67 (Passenger)
- DTC B1A65 - B1A67 (Driver)
- DTC B1AA0
- DTC B1B1A or B1B1B
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B1B25 - B1B28
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B1B2D or B1B2E
- DTC U3000 (K40 Seat Adjuster Memory Module)
- Symptoms - Power Seats
- Lumbar/Bolster/Massage Malfunction (2-Way Driver w/ AL9, Passenger w/ AT9)
- Lumbar/Bolster/Massage Malfunction (4-Way Driver w/ AVK, Passenger w/ AVU)
- Memory Seat Feature Malfunction
- Power Folding Seat Malfunction (2nd Row)
- Power Folding Seat Malfunction (3rd Row)
- Power Seat Malfunction (Driver) (- A45)
- Power Seat Malfunction (Passenger)
- Power Seat Malfunction (Driver) (A45)
- DTC B1090 - B1095, B1A84, or B1A85
- Repair Instructions
- Wire to Wire Repair - Seats
- Connector Reconnection - Seats
- Front Seat Adjuster Switch Replacement
- Front Seat Adjuster Switch Knob Replacement
- Front Seat Recliner Switch Knob Replacement
- Front Seat Adjuster Memory Switch Replacement (A45)
- Front Seat Adjuster Memory Module Bracket Replacement
- Driver or Passenger Seat Adjuster Memory Module Replacement
- Front Seat Tilt Adjuster Actuator Replacement
- Front Seat Recliner Actuator Replacement
- Front Seat Vertical Adjuster Actuator Replacement
- Rear Seat Back Folding Switch Replacement
- Front Seat Lumbar Switch Replacement
- Front Seat Lumbar Support Replacement
- Front Seat Back Lumbar Replacement (AVK / AVU)
- Front Seat Back Lumbar Replacement (AT9 / AL9)
- Front Seat Wiring Harness Replacement
- Rear Seat Wiring Harness Replacement (Right Side) (AT6 / ATT)
- Rear Seat Wiring Harness Replacement (Bucket) (ATN / ATV)
- Rear Seat Wiring Harness Replacement (Left Side) (AT6 / ATT)
- Folding Rear Seat Back Actuator Replacement (Bucket) (ATN)
- Folding Rear Seat Back Actuator Replacement (Right Side) (ATT)
- Folding Rear Seat Back Actuator Replacement (Left Side) (ATT)
- Folding 3rd Row Seat Back Actuator Replacement
- Folding 3rd Row Seat Module Replacement
- 3rd Row Seat Folding Switch Replacement
- 3rd Row Seat Back Pivot Actuator Motor Replacement - Back Cushion
- Description and Operation
- Lumbar Support/Massage Description and Operation (4-Way)
- Lumbar Support/Massage Description and Operation (2-Way)
- Lumbar Support/Massage Description and Operation (With Seat Bolster Memory Control Module)
- Memory Seats Description and Operation
- Power Seats System Description and Operation (Driver or Passenger without Seat Adjuster Memory Module)
- Power Seats System Description and Operation (Driver w/ Seat Adjuster Memory Module)
- Power Seats System Description and Operation (3rd Row)
- Power Seats System Description and Operation (2nd Row)
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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.