Engine-Codes.com
Engine-Codes – Toyota – C1380 Toyota

C1380 Toyota Code - Stop Light Control Relay Malfunction

Quick Answer

The diagnostic code C1380 for Toyota vehicles indicates a malfunction with the stop light control relay. Common causes include Faulty stop light control relay, Wiring issues, such as a short circuit or open circuit, Faulty brake light switch. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C1380 Toyota indicates Stop Light Control Relay Malfunction.
Common causes
Common causes include Faulty stop light control relay, Wiring issues, such as a short circuit or open circuit, Faulty brake light switch.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code C1380 Toyota Description

The diagnostic code C1380 for Toyota vehicles indicates a malfunction with the stop light control relay. The stop light control relay is an essential component of the vehicle's braking system that controls the operation of the stop lights. When this relay malfunctions, it can lead to various issues with the vehicle's brake lights, affecting the safety and visibility of the vehicle on the road.

OBDII Code C1380 Toyota - Stop Light Control Relay Malfunction
C1380 Toyota Code - Stop Light Control Relay Malfunction

Common Causes of C1380 Toyota

  1. Faulty stop light control relay.
  2. Wiring issues, such as a short circuit or open circuit.
  3. Faulty brake light switch.
  4. Corrosion or loose connections in the electrical system.
  5. Water damage to the brake light components.

Symptoms of C1380 Toyota

  1. Brake lights not illuminating when the brakes are applied.
  2. Inconsistent operation of the brake lights.
  3. Dashboard warning light indicating a brake system error.
  4. Cruise control or traction control systems not functioning properly.

How to Fix C1380 Toyota

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the specific trouble code and pinpoint the malfunctioning component.
  2. Inspect the stop light control relay, wiring, and brake light switch for any visible damage or signs of wear.
  3. Test the continuity of the wiring and connections to ensure proper electrical flow.
  4. Replace the faulty stop light control relay or brake light switch as needed.
  5. Clear the trouble code from the vehicle's computer system and test the operation of the brake lights to ensure they are functioning correctly.

Cost to Fix C1380 Toyota

The typical repair costs for resolving a stop light control relay malfunction can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the cost of parts for this repair can range from $50 to $150, while labor costs can range from $100 to $200. It's important to note that these estimates are general guidelines, and actual costs may vary based on factors such as the vehicle make and model, the location of the repair shop, and the expertise of the technician. For a more precise estimate, it's recommended to consult with a trusted auto repair shop in your area.

Need more information about the C1380 Toyota code?

Need more information on how to fix the C1380 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1380 Toyota code diagnosed by a professional: Find a repair shop in your area

Information for Specific Toyota Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1380 Toyota Code

1. What are the common symptoms of OBDII code C1380 Toyota (Stop Light Control Relay Malfunction)?

The common symptoms include non-functional brake lights, ABS warning light illuminated on the dashboard, and potential issues with the vehicle's stability control system.

2. What causes the OBDII code C1380 Toyota to trigger?

The code C1380 is triggered when the stop light control relay, which is responsible for activating the brake lights, malfunctions. This can be due to a faulty relay, wiring issues, or a problem with the brake light switch.

3. How can I diagnose the cause of the C1380 Toyota code?

Diagnosing the C1380 code involves checking the stop light control relay, inspecting the wiring for any damage or corrosion, and testing the brake light switch for proper functionality using a multimeter.

4. Is it safe to drive with the C1380 Toyota code illuminated?

It is not recommended to drive with the C1380 code illuminated, as non-functional brake lights can pose a safety hazard on the road. It is best to address the issue promptly to ensure the proper operation of the vehicle's braking system.

5. Can I repair the C1380 Toyota code myself?

Depending on your automotive repair skills, you may be able to repair the C1380 code yourself by replacing the faulty stop light control relay, repairing any damaged wiring, or adjusting the brake light switch. However, if you are unsure, it is best to consult a professional mechanic.

6. How much does it typically cost to repair the C1380 Toyota code?

The cost of repairing the C1380 code can vary depending on the underlying issue. Replacing a faulty stop light control relay can cost between $50 to $150, while addressing wiring issues or the brake light switch may incur additional labor costs.

7. Will the C1380 Toyota code cause my vehicle to fail an emissions test?

The C1380 code is related to the brake light system and is not directly linked to emissions. However, it is important to address the issue to ensure the overall safety and functionality of your vehicle.

8. How long does it take to repair the C1380 Toyota code?

The repair time for the C1380 code can vary depending on the specific issue and the availability of parts. In general, it may take anywhere from 1 to 2 hours to diagnose and repair the problem.

9. Can a low battery voltage trigger the C1380 Toyota code?

Low battery voltage can potentially affect the operation of electrical components in the vehicle, including the stop light control relay. It is advisable to ensure the battery is in good condition when diagnosing the C1380 code.

10. Will resetting the OBDII system clear the C1380 Toyota code?

Resetting the OBDII system may temporarily clear the C1380 code, but if the underlying issue is not addressed, the code is likely to reappear. It is best to diagnose the problem and make the necessary repairs to prevent the code from recurring.

Discuss the causes and fixes for C1380 Toyota OBDII Code

Submit a New Comment

Code C1380 Toyota comments

No comments found for this page.