how to fix Honda Pilot Third Generation (2016-present) power locks not working

Honda Pilot Third Generation (2016-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

464 words

Problem Statement

Learn how to diagnose and fix power locks not working in Honda Pilot (2016-present). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to avoid short circuits or shocks.

Symptoms

•Power lock switch does not respond when pressed
•Doors do not lock or unlock remotely via the key fob
•No sound from the locking mechanism when attempting to engage
•Indicator lights on the dashboard for the locks may not illuminate
•Manual locking and unlocking works without issue

Diagnostic Steps

1
Inspect the key fob battery for charge and replace if necessary.
2
Check for blown fuses related to the power locks in the fuse box.
3
Use an OBD-II scanner to check for any fault codes related to the Body Control Module (BCM).
4
Verify the operation of the power lock switches in the driver’s door and passenger’s door.
5
Test the wiring harness connections at the door modules for damage or corrosion.

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

•Flathead screwdriver
•Trim removal tool
•Multimeter
•Fuse puller

Parts Required

•CR2032 battery (for key fob)
•Replacement fuses (if needed)
•Power lock switches (if faulty)

Related Faults

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Diagnostic Steps

1
Inspect the key fob battery for charge and replace if necessary.
2
Check for blown fuses related to the power locks in the fuse box.
3
Use an OBD-II scanner to check for any fault codes related to the Body Control Module (BCM).
4
Verify the operation of the power lock switches in the driver’s door and passenger’s door.
5
Test the wiring harness connections at the door modules for damage or corrosion.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Check & Replace Key Fob Battery

Sub-steps:
1. Open the key fob using a small flathead screwdriver.
2. Remove the old battery and replace it with a new CR2032 battery, ensuring correct polarity.
3. Reassemble the key fob and test the locks.

3. Inspect and Replace Fuses

Sub-steps:
1. Locate the fuse box in the driver’s side footwell.
2. Identify the fuse for the power locks (refer to the fuse diagram).
3. Remove the fuse using a fuse puller and inspect it; replace if blown.
4. Reinstall the fuse and test the power locks.

4. Check Power Lock Switches

Sub-steps:
1. Remove the door panel for both the driver’s and passenger’s sides using a trim removal tool.
2. Disconnect the power lock switch connectors.
3. Test the switches with a multimeter for continuity.
4. Replace any faulty switches and reassemble the door panels.

5. Inspect Wiring Harness

Sub-steps:
1. Inspect the wiring harness connected to the door modules for any signs of wear or damage.
2. Repair or replace any damaged wires.
3. Ensure all connectors are securely fastened and free from corrosion.

6. Test the Body Control Module (if needed)

Sub-steps:
1. If all previous steps fail, the BCM may need to be reprogrammed or replaced.
2. Consult a professional for BCM diagnostics and programming if required.

Tools Required:

Flathead screwdriver
Trim removal tool
Multimeter
Fuse puller

Parts Required:

CR2032 battery (for key fob)
Replacement fuses (if needed)
Power lock switches (if faulty)

Estimated Repair Time: 1-3 hours

Safety Warnings:

Disconnect the battery before working on electrical components to avoid short circuits or shocks.