how to troubleshoot Honda Accord 9th Generation (2013-2017) rear brake lights not working

Honda Accord 9th Generation (2013-2017)

Error Codes

1-3 hours

Time

medium

Difficulty

critical

Severity

4 min read

612 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to troubleshoot and fix rear brake lights not working on Honda Accord 2013-2017. Step-by-step guide with diagnostic steps 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 systems to prevent shocks or shorts.

Symptoms

•Rear brake lights do not illuminate when the brake pedal is pressed
•Check engine light may illuminate if there’s a related electrical issue
•Brake light bulbs may appear intact but not function
•Possible malfunction of the dashboard brake warning light
•Tail lights may function properly while brake lights do not

Diagnostic Steps

1
Inspect the brake light bulbs for physical damage or burnt filaments.
2
Use an OBD-II scanner to check for any related error codes.
3
Check the brake light switch located near the brake pedal for proper operation.
4
Inspect the fuse related to the brake lights in the fuse box.
5
Test the wiring harness for continuity and signs of wear or damage.
6
Verify the operation of the turn signal switch, as it may share circuitry with the brake lights.

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
•Socket set
•Screwdriver
•Multimeter
•Fuse puller
•Gloves

Parts Required

•Brake light bulbs
•Brake light switch
•Fuses (if applicable)

Related Faults

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Symptoms

•Rear brake lights do not illuminate when the brake pedal is pressed

•Check engine light may illuminate if there’s a related electrical issue

•Brake light bulbs may appear intact but not function

•Possible malfunction of the dashboard brake warning light

•Tail lights may function properly while brake lights do not

Diagnostic Steps

1
Inspect the brake light bulbs for physical damage or burnt filaments.
2
Use an OBD-II scanner to check for any related error codes.
3
Check the brake light switch located near the brake pedal for proper operation.
4
Inspect the fuse related to the brake lights in the fuse box.
5
Test the wiring harness for continuity and signs of wear or damage.
6
Verify the operation of the turn signal switch, as it may share circuitry with the brake lights.

Solution

1. Preparation

Ensure the vehicle is parked on a flat surface and the engine is turned off.
Gather necessary tools and parts.
Disconnect the negative battery terminal to prevent electrical short circuits.

2. Replace Brake Light Bulbs

Tools Required: Socket set, gloves
Remove the tail light assembly by unscrewing the retaining screws and gently pulling it away from the vehicle.
Disconnect the wiring harness from the bulb socket.
Remove the old bulb by turning it counterclockwise and replacing it with a new bulb.
Reconnect the wiring harness and reassemble the tail light assembly.

3. Check and Replace the Brake Light Switch

Tools Required: Screwdriver, multimeter
Locate the brake light switch near the brake pedal.
Disconnect the wiring harness from the switch.
Use a multimeter to test for continuity when the pedal is pressed.
If the switch is faulty, remove it by unscrewing or unclipping it from its mount and replace it with a new switch.
Reconnect the wiring harness and ensure the switch is properly aligned.

4. Inspect and Replace Fuses

Tools Required: Fuse puller or pliers
Locate the fuse box, usually located under the dashboard or in the engine compartment.
Identify the fuse for the brake lights and check if it is blown.
If blown, replace it with a fuse of the same amperage.
Reassemble the fuse box cover if applicable.

5. Repair Wiring as Needed

Tools Required: Multimeter, wire connectors, electrical tape
Inspect the wiring harness leading to the brake lights for any signs of wear or damage.
If damaged, use a multimeter to trace the circuit and identify any breaks.
Repair broken wires by splicing and securing with wire connectors, then insulate with electrical tape.