how to fix Honda CR-V Fifth Generation (2017-2022) tail lights not working?

Honda CR-V 6th Gen (2023-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

598 words

Problem Statement

Learn how to diagnose and fix tail lights not working on Honda CR-V Fifth Generation (2017-2022). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on any electrical components to avoid shock.
•Allow the vehicle to cool down if it has been running before handling any components.

Symptoms

•Tail lights do not illuminate when headlights are turned on
•Brake lights are non-functional
•No indicator lights for tail lights on the dashboard
•Possible blown fuses related to the tail light circuit
•Bulbs may appear dark or burnt out

Diagnostic Steps

1
Inspect the tail light bulbs for physical damage or burnt filaments.
2
Check the fuse box for any blown fuses related to the tail lights; refer to the owner's manual for fuse locations.
3
Use a multimeter to test for voltage at the tail light socket when the headlights are turned on.
4
Inspect the wiring harness and connectors for any signs of wear, corrosion, or disconnection.
5
Verify the operation of the headlight switch, as a malfunction may prevent tail lights from receiving power.
6
Check for any fault codes using an OBD-II scanner to identify potential issues with the vehicle’s electrical system.

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

•Socket set
•Screwdriver set
•Multimeter
•Fuse puller
•Electrical contact cleaner

Parts Required

•Tail light bulbs (specific type based on vehicle specification)
•Fuses (specific amperage for tail lights)

Related Faults

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Diagnostic Steps

1
Inspect the tail light bulbs for physical damage or burnt filaments.
2
Check the fuse box for any blown fuses related to the tail lights; refer to the owner's manual for fuse locations.
3
Use a multimeter to test for voltage at the tail light socket when the headlights are turned on.
4
Inspect the wiring harness and connectors for any signs of wear, corrosion, or disconnection.
5
Verify the operation of the headlight switch, as a malfunction may prevent tail lights from receiving power.
6
Check for any fault codes using an OBD-II scanner to identify potential issues with the vehicle’s electrical system.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to avoid electrical shock.
Ensure you are working in a well-lit area for visibility.

2. Inspect and Replace Bulbs

Sub-steps:
- Remove the tail light assembly by unscrewing the retaining screws or clips.
- Disconnect the wiring harness from the tail light assembly.
- Remove the old bulbs by twisting them counterclockwise and replacing them with new bulbs of the same type.
- Reassemble the tail light assembly by reversing the removal process and secure it properly.

3. Check and Replace Fuses

Sub-steps:
- Locate the fuse box, typically found under the dashboard or in the engine compartment.
- Identify the tail light fuse using the diagram on the fuse box cover.
- Remove the fuse using a fuse puller or pliers, and check for continuity.
- Replace the blown fuse with one of the same amperage rating.

4. Repair Wiring and Connections

Sub-steps:
- Inspect the wiring harness for any frayed wires or corrosion.
- Clean any corroded connectors with electrical contact cleaner.
- Repair any damaged wiring with electrical tape or heat shrink tubing.
- Ensure all connections are secure before reassembling.

5. Test the Headlight Switch

Sub-steps:
- Remove the steering column cover to access the headlight switch.
- Disconnect the switch and use a multimeter to check for continuity when the switch is turned on.
- Replace the headlight switch if it is faulty.