how to fix the power locks not working in my Honda Accord 9th Generation (2013-2017)?

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

575 words

Problem Statement

Learn how to diagnose and fix power locks not working in Honda Accord 2013-2017. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid short circuits.
•Ensure the vehicle is secured and on level ground while working on door panels.

Symptoms

•No response when using the key fob to lock/unlock doors
•Manual door locks are functional but electronic locks are not
•Driver's door lock switch is unresponsive
•Indicator lights on the dashboard do not activate when attempting to lock/unlock
•Possible clicking sound from the door panels when attempting to operate locks

Diagnostic Steps

1
Verify the key fob battery is functional by testing it with another compatible vehicle or replacing it.
2
Use an OBD-II scanner to check for any related error codes in the Body Control Module (BCM).
3
Inspect the fuse related to the power door locks by checking the fuse box for any blown fuses.
4
Test the door lock actuator in each door by manually applying power to see if they operate.
5
Check the wiring harnesses connected to the door lock actuators for any signs of damage or disconnection.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Screwdriver set
•Trim removal tool
•Needle-nose pliers
•Fuse puller

Parts Required

•Replacement door lock actuator (if found faulty)
•Replacement fuse (if blown)

Related Faults

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Symptoms

•No response when using the key fob to lock/unlock doors

•Manual door locks are functional but electronic locks are not

•Driver's door lock switch is unresponsive

•Indicator lights on the dashboard do not activate when attempting to lock/unlock

•Possible clicking sound from the door panels when attempting to operate locks

Diagnostic Steps

1
Verify the key fob battery is functional by testing it with another compatible vehicle or replacing it.
2
Use an OBD-II scanner to check for any related error codes in the Body Control Module (BCM).
3
Inspect the fuse related to the power door locks by checking the fuse box for any blown fuses.
4
Test the door lock actuator in each door by manually applying power to see if they operate.
5
Check the wiring harnesses connected to the door lock actuators for any signs of damage or disconnection.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to prevent electrical shorts.
Ensure the vehicle is in a safe and accessible location.

2. Check and Replace Fuses

Locate the fuse box in the driver's side footwell.
Identify the fuse for the power locks (refer to the fuse diagram).
Use a fuse puller or needle-nose pliers to remove the fuse.
Inspect the fuse; if blown, replace it with a fuse of the same amperage (typically 15-20 amps).

3. Inspect Door Lock Actuators

Remove the door panel by unscrewing any visible screws and using a trim removal tool to unclip the panel.
Disconnect the wiring harness from the door lock actuator.
Using a multimeter, check for voltage at the actuator connector while pressing the lock/unlock switch.
If there is no voltage, the issue may be with the switch or BCM; if there is voltage, replace the door lock actuator.

4. Replace the Door Lock Actuator (if necessary)

Remove the faulty actuator by unscrewing any mounting screws and carefully extracting it from the door.
Install the new actuator by reversing the removal steps.
Reconnect the wiring harness and ensure it is secure.

5. Reassemble and Test

Reattach the door panel by aligning it properly and securing all clips and screws.
Reconnect the negative battery terminal.
Test the power locks using the key fob and the driver’s door lock switch to ensure proper functionality.