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Home/Cars/Honda/Accord/10th Generation (2018-2022)/how to fix a Honda Accord that won't unlock with the remote

how to fix a Honda Accord that won't unlock with the remote

Honda Accord 10th Generation (2018-2022)

Severity: mediumDifficulty: medium1-2 hours
3 min read
558 words

Problem Statement

Learn how to diagnose and fix the remote unlock issue in Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Electrical
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the vehicle battery if working on electrical components to prevent shorts.

Symptoms

  • •Remote does not unlock the doors when pressed.
  • •Red LED light on the remote does not illuminate when buttons are pressed.
  • •Doors can be unlocked manually with the key.
  • •Battery warning light may illuminate on the dashboard (if related).
  • •Possible intermittent unlocking issues.

Diagnostic Steps

  1. 1Replace the battery in the remote to ensure it is not depleted.
  2. 2Check the vehicle’s fuse related to the door lock and remote entry system.
  3. 3Inspect the door lock actuators for proper function and any signs of failure.
  4. 4Scan the vehicle’s onboard diagnostics system for any related error codes.
  5. 5Test the remote with another similar vehicle to verify its functionality.
  6. 6Check for physical obstructions or damage to the door lock mechanism.

Solution

Solution

1. Preparation

  • Gather tools: Flathead screwdriver, Phillips screwdriver, multimeter (if needed), and replacement battery for the remote.
  • Ensure the vehicle is parked safely and is in a secure location.

2. Replace Remote Battery

  1. Use a flathead screwdriver to carefully pry open the remote casing.
  2. Remove the old battery and note the orientation.
  3. Insert the new battery in the same orientation as the old one.
  4. Snap the remote casing back together securely.
  5. Test the remote to see if the issue is resolved.

3. Check and Replace Fuse

  1. Locate the fuse box in the vehicle (usually under the dashboard or in the engine compartment).
  2. Reference the owner’s manual to identify the fuse associated with the remote entry system.
  3. Remove the suspect fuse using a fuse puller or pliers.
  4. Inspect the fuse for any signs of damage or breakage.
  5. Replace with a fuse of the same amperage if the original is faulty.

4. Inspect Door Lock Actuators

  1. Remove the door panel using a Phillips screwdriver and a flathead screwdriver to detach clips.
  2. Locate the door lock actuator within the door assembly.
  3. Check wiring connections for corrosion or disconnection.
  4. Use a multimeter to test the actuator for continuity.
  5. Replace the actuator if it is found to be faulty.

5. Reprogram Remote (if necessary)

  1. Insert the key into the ignition and turn it to the "ON" position without starting the engine.
  2. Press the "Lock" button on the remote within 5 seconds.
  3. Turn the key back to the "OFF" position and remove it from the ignition.
  4. Test the remote to confirm functionality.

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
  • Phillips screwdriver
  • Multimeter (if needed)
  • Fuse puller (optional)

Parts Required

  • Replacement battery for the remote
  • Door lock actuator (if found faulty)

Additional Information

Component

Electrical

Repair Time

1-2 hours

Difficulty

medium

Severity

medium

Tools

4 items

Parts

2 items

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