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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC2021YUKON DENALI, 3.0L ENG VIN T, 4WDREPAIR AND DIAGNOSISBODY & FRAMESEATSPOWER SEATS - DIAGNOSTIC INFORMATION AND PROCEDURES
2021 GMC Yukon Denali, 3.0L Eng VIN T, 4WD
Power Seats - Diagnostic Information And Procedures
2021 GMC Yukon Denali, 3.0L Eng VIN T, 4WDSECTION Power Seats - Diagnostic Information And Procedures
- Diagnostic Information and Procedures
- DTC B1090 or B1091
- 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 B1092 or B1093
- 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 B1094 or B1095
- 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 B1096 or B1097
- 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 B1098 or B109C
- 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 B109D or B109E
- 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 B1970
- 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 B1A82 or B1A83
- 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 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 B1AA0
- DTC B1AB4
- 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 B1B29-B1B2C
- 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
- Symptoms - Power Seats
- Lumbar/Bolster/Massage Malfunction (2-Way)
- Lumbar/Bolster/Massage Malfunction (4-Way Driver or 4-Way Passenger With AKE)
- Lumbar/Bolster/Massage Malfunction (4-Way Passenger Without AKE)
- Memory Seat Feature Malfunction
- Power Folding Seat Malfunction (2nd Row)
- Power Folding Seat Malfunction (3rd Row)
- Power Seat Malfunction (Driver Without AUN/A45)
- Power Seat Malfunction (Driver With AUN/A45)
- Power Seat Malfunction (Passenger Without AKE)
- Power Seat Malfunction (Passenger With AKE)
- DTC B1090 or B1091
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.
Affiliate disclosure: We may earn a commission at no extra 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.