why are my Tesla Outback brake lights staying on

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

479 words

Problem Statement

Learn how to diagnose and fix brake lights that stay on in Tesla Outback. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Ensure the vehicle is in a stable position before inspecting or replacing components.

Symptoms

•Brake lights remain on when the vehicle is off
•Brake pedal feels stiff or does not return fully
•Warning light on the dashboard related to braking system
•Increased battery drain
•Possible overheating of brake light bulbs

Diagnostic Steps

1
Inspect the brake pedal position switch for proper function.
2
Check the brake fluid level to rule out any hydraulic issues.
3
Use an OBD-II scanner to check for any related error codes.
4
Examine the wiring and connectors for signs of damage or corrosion.
5
Test the brake pedal return spring for proper tension.
6
Inspect the brake light switch adjustment for proper alignment.

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

•Multimeter
•Socket set
•OBD-II scanner
•Flashlight

Parts Required

•Brake light switch (if faulty)
•Brake pedal return spring (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the brake pedal position switch for proper function.
2
Check the brake fluid level to rule out any hydraulic issues.
3
Use an OBD-II scanner to check for any related error codes.
4
Examine the wiring and connectors for signs of damage or corrosion.
5
Test the brake pedal return spring for proper tension.
6
Inspect the brake light switch adjustment for proper alignment.

Solution

1. Preparation

Gather tools and equipment: Multimeter, socket set, OBD-II scanner, flashlight.
Disconnect the vehicle battery to ensure safety during repairs.

2. Inspect and Test Brake Light Switch

Locate the brake light switch, typically mounted near the top of the brake pedal.
Using a multimeter, test the switch for continuity when the brake pedal is depressed and released.
If the switch is faulty, proceed to replace it.

3. Replace Brake Light Switch (if necessary)

Tools Required: Socket set, screwdriver.
Remove the screws or clips securing the switch.
Disconnect the electrical connector from the switch.
Install the new switch by connecting the electrical connector and securing it with screws or clips.

4. Check Brake Pedal Mechanics

Inspect the brake pedal for any obstructions or debris that may prevent it from returning fully.
Ensure that the brake pedal return spring is not damaged or dislodged.
If the spring is damaged, replace it with a new one.

5. Reassemble and Reconnect Battery

Ensure all components are reinstalled properly.
Reconnect the vehicle battery.
Check all connections to ensure they are secure.