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 MANUALSCHEVROLET2025TRAILBLAZER ACTIV, 4WDREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSREMOTE FUNCTIONS
2025 Chevrolet Trailblazer ACTIV, 4WD
Remote Functions
2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Remote Functions
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC B305D
- DTC B3105
- DTC B3106
- DTC B3109 - B3113
- DTC B310D - B310F
- DTC B3119
- 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 B3120
- 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 B3121
- 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 B3122
- DTC B3123
- DTC B3124
- Symptoms - Remote Functions
- No Remote Detected
- Keyless Entry System Malfunction
- Keyless Entry Transmitter Pocket Location
- Repair Instructions
- Remote Control Door Lock and Theft Deterrent Transmitter Programming
- Low Frequency Instrument Panel Antenna Replacement
- Low Frequency Console Antenna Replacement
- Low Frequency Rear Compartment Antenna Replacement
- Low Frequency Rear Bumper Antenna Replacement
- Keyless Entry Control Module Replacement
- Keyless Entry Control Module Bracket Replacement
- Remote Function Actuator Module Replacement
- Description and Operation
- Keyless Entry System Description and Operation
- Notes
- Keyless Entry Transmitters
- Door Antennas
- Rear Fascia Antenna
- Front Console Passive (Instrument Panel) Antenna
- Rear Console Antenna
- Rear Compartment Antenna
- Immobilizer Antenna Coil Assembly
- Keyless Entry Control Module
- Body Control Module (BCM)
- Unlock Driver Door Only - Active
- Unlock All Doors - Second Operation - Active
- Unlock Driver Door Only - Passive
- Unlock All Doors - Passive
- Lock All Doors - Active
- Lock All Doors - Passive
- Liftgate Release - Passive (Hatchback and Wagon)
- Trunk Release - Active (Notchback)
- Trunk Release - Passive (Notchback)
- Vehicle Locator/Panic Alarm/Active
- Keyless Entry Personalization
- Keyless Entry System 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.