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.

2020 Chevrolet Sonic LSFACTORY OEM SERVICE PROCEDURE

Remote Function Actuator Module Replacement (4NB)

Courtesy of GENERAL MOTORS COMPANY

Callout

Component Name

Preliminary Procedure
High Mount Stop Lamp Electrical Connector - Disconnect

Remote Control Door Lock Receiver

Procedure

Working from underneath of back upper panel.
Remove and install the remote control door lock receiver through the back upper panel center hole.
Disconnect the electrical connector.
Perform the necessary programming and setup procedure: Control Module References

Factory Service Tools

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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.