AutoCodes – Lexus – C164E Lexus

C164E Lexus Code - Stop Switch Circuit Malfunction

Quick Answer

This Diagnostic Trouble Code (DTC) is stored when the Parking Assist ECU receives a stop light switch assembly open signal from the brake control system via CAN communication. Common causes include Faulty Electronically Controlled Brake System. 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: C164E Lexus indicates Stop Switch Circuit Malfunction.
Common causes: Common causes include Faulty Electronically Controlled Brake System.
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 631

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C164E Lexus Description

This Diagnostic Trouble Code (DTC) is stored when the Parking Assist ECU receives a stop light switch assembly open signal from the brake control system via CAN communication.

OBDII Code C164E Lexus - Stop Switch Circuit Malfunction - AutoCodes.com — C164E Lexus Code - Stop Switch Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC C164E Lexus?

Faulty Electronically Controlled Brake System

How to Fix the DTC C164E Lexus?

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 C164E Lexus 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.

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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 C164E Lexus Code

1. What are the common symptoms of OBDII code C164E in a Lexus related to the Stop Switch Circuit Malfunction?

- The common symptoms include the inability to start the vehicle, issues with the brake lights, and potential problems with the cruise control system.

2. What are the possible causes of the Stop Switch Circuit Malfunction (code C164E) in a Lexus?

- Possible causes include a faulty stop switch, damaged wiring or connectors in the circuit, or a malfunctioning brake light switch.

3. How can I diagnose the Stop Switch Circuit Malfunction in my Lexus when OBDII code C164E is triggered?

- You can start by checking the brake lights to see if they are functioning properly, inspecting the stop switch and brake light switch for any visible damage, and using a diagnostic tool to read the error codes.

4. Is it safe to continue driving my Lexus with the C164E OBDII code indicating a Stop Switch Circuit Malfunction?

- It is not recommended to drive the vehicle with this code active, as it may lead to safety issues like the brake lights not working correctly or the inability to start the car.

5. How can I repair the Stop Switch Circuit Malfunction in my Lexus after receiving the OBDII code C164E?

- The repair process typically involves replacing the faulty stop switch, brake light switch, or repairing any damaged wiring or connectors in the circuit.

6. Can I reset the OBDII code C164E related to the Stop Switch Circuit Malfunction in my Lexus without fixing the underlying issue?

- While you can clear the error code using a diagnostic tool, it is important to address the root cause of the problem to prevent it from recurring.

7. Will replacing the brake light bulbs fix the Stop Switch Circuit Malfunction code C164E in my Lexus?

- While it is a good idea to ensure that the brake light bulbs are in working condition, the issue may be related to the stop switch, brake light switch, or wiring rather than just the bulbs.

8. How long does it typically take to repair the Stop Switch Circuit Malfunction triggering OBDII code C164E in a Lexus?

- The repair time can vary depending on the exact cause of the issue, but it usually takes a couple of hours to diagnose and replace the faulty components.

9. Are there any preventive measures to avoid encountering the Stop Switch Circuit Malfunction in a Lexus?

- Regularly inspecting the brake lights, stop switch, and brake light switch for any signs of wear or damage can help prevent this issue from occurring.

10. Can a DIY enthusiast with basic automotive knowledge fix the Stop Switch Circuit Malfunction causing OBDII code C164E in a Lexus?

- Depending on the exact cause of the malfunction, a DIY enthusiast may be able to address the issue by replacing components like the stop switch or brake light switch, but professional assistance is recommended for complex wiring problems.