AutoCodes – Toyota – P1520 2000 Toyota Camry

P1520 2000 Toyota Camry Code - Stop Light Switch Signal Malfunction

Quick Answer

This signal is used to detect when the brakes have been applied. Common causes include Faulty Stop Light Switch, Stop Light Switch harness is open or shorted, Stop Light Switch circuit poor electrical connection. 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: P1520 2000 Toyota Camry indicates Stop Light Switch Signal Malfunction.
Common causes: Common causes include Faulty Stop Light Switch, Stop Light Switch harness is open or shorted, Stop Light Switch circuit poor electrical connection.
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.

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Code Popularity 3,567

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1520 2000 Toyota Camry Description

This signal is used to detect when the brakes have been applied. The STP signal voltage is the same as the voltage supplied to the stop lights. The STP signal is used mainly to control the fuel cut–off engine speed (The fuel cut–off engine speed is reduced slightly when the vehicle is braking).

OBDII Code P1520 2000 Toyota Camry - Stop Light Switch Signal Malfunction - AutoCodes.com — P1520 2000 Toyota Camry Code - Stop Light Switch Signal Malfunction

What does this mean?

What are the Possible Causes of the DTC P1520 2000 Toyota Camry?

Faulty Stop Light Switch
Stop Light Switch harness is open or shorted
Stop Light Switch circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1520 2000 Toyota Camry?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1520 2000 Toyota Camry code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1520 2000 Toyota Camry code?

Need more information on how to fix the P1520 2000 Toyota Camry code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1520 2000 Toyota Camry Code

1. What are the common symptoms of OBDII code P1520 in a 2000 Toyota Camry?

- Common symptoms include the Check Engine light coming on, issues with the brake lights, and difficulty shifting gears.

2. What can cause the OBDII code P1520 in a 2000 Toyota Camry?

- The most common cause is a malfunctioning stop light switch, which is responsible for signaling the brake pedal position to the vehicle's computer.

3. How can I diagnose the stop light switch signal malfunction in my 2000 Toyota Camry?

- You can use an OBDII scanner to retrieve the P1520 code and inspect the stop light switch for any visible damage or wiring issues.

4. Can a faulty stop light switch affect the vehicle's performance?

- Yes, a malfunctioning stop light switch can affect the vehicle's performance by causing issues with shifting gears and disabling the cruise control function.

5. Is it safe to continue driving with the OBDII code P1520 in a 2000 Toyota Camry?

- It is not recommended to continue driving with this code as it can lead to safety hazards like unpredictable brake light behavior and potential transmission problems.

6. How do you repair the stop light switch signal malfunction in a 2000 Toyota Camry?

- The most common repair is to replace the faulty stop light switch with a new one, ensuring proper installation and adjustment.

7. Can I reset the OBDII code P1520 in my 2000 Toyota Camry by disconnecting the battery?

- Disconnecting the battery may temporarily clear the code, but it is recommended to diagnose and fix the underlying issue to prevent it from reoccurring.

8. Are there any maintenance tips to prevent the OBDII code P1520 in a 2000 Toyota Camry?

- Regularly inspecting the stop light switch and its wiring for any signs of wear or damage can help prevent this code from appearing.

9. How much does it typically cost to repair the stop light switch signal malfunction in a 2000 Toyota Camry?

- The cost of replacing a stop light switch can vary depending on the labor rates and parts prices, but it is generally considered a relatively inexpensive repair.

10. Can a DIY enthusiast replace the stop light switch in a 2000 Toyota Camry?

- Yes, replacing the stop light switch is a relatively straightforward task that can be done by DIY enthusiasts with basic tools and mechanical knowledge.