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 MANUALSBUICK2019ENVISION BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSVEHICLE ACCESS SYSTEM
2019 Buick Envision Base
Vehicle Access System
2019 Buick Envision BaseSECTION Vehicle Access System
- Specifications
- Schematic and Wiring Diagrams
- Diagnostic Information and Procedures
- DTC B1019 - Liftgate Control Module
- DTC B1474 or B3849
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B1534 or B1535
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B153A - Liftgate Latch Switches Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B153E - Liftgate Angle Sensor Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B153F - Liftgate Object Sensor Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B2494 - Liftgate Handle Switch Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B2495 or B24A0
- 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 B297B or B297C
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Typical 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 DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B3125, B3130, or B3135
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B3140 or B3150
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B323A-B323C
- 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 B384A
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B3930
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B396A - Liftgate Motor Power Open/Close Malfunction
- 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 B396C or B396D - Liftgate Interior Release Open/Close Switch Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B396E - Liftgate Close Switch Malfunction
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Vehicle Access
- Exterior Door Handle Switch Malfunction
- Liftgate System Diagnosis
- Liftgate Handsfree Sensor Malfunction
- 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
- Liftgate Latch Release/Cinch Malfunction
- 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
- Liftgate Ajar Indicator Malfunction
- Door Ajar Indicator Malfunction
- Power Door Child Lock Malfunction
- Power Door Lock Key Cylinder Switches Malfunction
- Power Door Locks Malfunction
- Power Liftgate Malfunction
- Door Will Not Open/Close, Door Binding, or Locks, Handles, or Cylinders Do Not Function
- Repair Instructions
- Front Side Door Inside Handle Cable Replacement
- Rear Side Door Inside Handle Cable Replacement
- Front Side Door Lock Cylinder Replacement
- Liftgate Calibration
- Opening the Liftgate Without Electrical Power
- Front Side Door Outside Handle Replacement
- Front Side Door Outside Handle Bracket Replacement
- Front Side Door Outside Handle Cable Replacement
- Rear Side Door Outside Handle Bracket Replacement
- Liftgate Latch Replacement
- Rear Side Door Outside Handle Replacement
- Rear Side Door Outside Handle Cable Replacement
- Rear Side Door Outside Handle Cable Retainer Replacement
- Rear Side Door Outside Handle Molding Replacement
- Front Side Door Latch Replacement
- Rear Side Door Latch Replacement
- Front Side Door Lock Cylinder Opening Cover Replacement
- Rear Side Door Lock Cylinder Opening Cover Replacement
- Accessory and Liftgate Control Module Replacement
- Rear Closure Hands Free Module Replacement
- Rear Closure Hands Free Sensor Replacement
- Front Side Door Outside Handle Molding Replacement
- Front Side Door Locking Rod Knob Replacement
- Front Side Door Lock Cylinder Rod Replacement
- Front Side Door Outside Handle Cable Retainer Replacement
- Liftgate Power Assist Actuator Replacement
- Liftgate Side Sensor Replacement
- Door Lock Switch Replacement - Driver Side
- Front Side Door Lock Striker Adjustment
- Front Side Door Lock Striker Replacement
- Liftgate Latch Striker Replacement
- Rear Side Door Lock Striker Adjustment
- Rear Side Door Lock Striker Replacement
- Opening the Fuel Tank Filler Door when the Door Lock Malfunctions
- Liftgate Release Switch Replacement (Door)
- Liftgate Close Switch Replacement
- Door Lock Switch Replacement - Passenger Front
- Description and Operation
RENDER: 1.0x
NO RELATED
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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.