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 MANUALSCHEVROLET2020SPARK LS, STANDARD TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSVEHICLE ACCESS SYSTEM
2020 Chevrolet Spark LS, Standard Trans
Vehicle Access System
2020 Chevrolet Spark LS, Standard TransSECTION Vehicle Access System
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- 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 B2494
- 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 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
- DTC B3245
- 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
- Symptoms - Vehicle Access
- Exterior Door 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
- Liftgate Release Malfunction (With A60)
- Liftgate Release Malfunction (With B9U)
- Liftgate Ajar Indicator Malfunction
- Door Ajar Indicator Malfunction
- Power Door Lock Key Cylinder Switches Malfunction
- Power Door Locks Malfunction
- Door Will Not Open/Close, Door Binding, or Locks, Handles, or Cylinders Do Not Function
- DTC B1474 or B3849
- Repair Instructions
- Door Open Indicator Switch Replacement
- Fuel Tank Filler Door Latch Release Cable Replacement
- Front Side Door Lock Cylinder Replacement
- Front Side Door Inside Handle Replacement
- Front Side Door Inside Handle Rod Replacement
- Front Side Door Outside Handle Replacement
- Front and Rear Side Door Outside Handle Rod Clip Replacement
- Front Side Door Outside Handle Bracket Replacement
- Liftgate Outside Handle Replacement
- Liftgate Latch Replacement
- Rear Side Door Inside Handle Replacement
- Rear Side Door Outside Handle Replacement
- Front Side Door Lock Cylinder Bezel Replacement
- Front Side Door Lock Replacement
- Rear Side Door Lock Replacement
- Front Side Door Locking Rod Replacement
- Front Side Door Lock Cylinder Rod Replacement
- Front Side Door Outside Handle Rod Adjustment
- Front Side Door Outside Handle Rod Replacement
- Rear Side Door Inside Handle Rod Replacement
- Rear Side Door Locking Rod Replacement
- Rear Side Door Locking Rod Bellcrank Rod Replacement
- Rear Side Door Outside Handle Rod Adjustment
- Rear Side Door Outside Handle Rod Replacement
- 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
- Door Lock Switch Replacement
- Rear Closure Release Switch Bracket Replacement
- 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.