AutoCodes – Lexus – C1935 Lexus

C1935 Lexus Code - Front Control Board Overheat

Quick Answer

The Front Active Stabilizer Control ECU consists of a metal board, control board, power source IC, step-up circuit, Electrically Erasable Programmable Read-Only Memory (EEPROM), and other parts. Common causes include Faulty Front Active Stabilizer Control ECU, Front Active Stabilizer Control ECU harness is open or shorted, Front Active Stabilizer Control ECU 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: C1935 Lexus indicates Front Control Board Overheat.
Common causes: Common causes include Faulty Front Active Stabilizer Control ECU, Front Active Stabilizer Control ECU harness is open or shorted, Front Active Stabilizer Control ECU 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 744

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 Dec 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1935 Lexus Description

OBDII Code C1935 Lexus - Front Control Board Overheat - AutoCodes.com — C1935 Lexus Code - Front Control Board Overheat

What does this mean?

What are the Possible Causes of the DTC C1935 Lexus?

Faulty Front Active Stabilizer Control ECU
Front Active Stabilizer Control ECU harness is open or shorted
Front Active Stabilizer Control ECU circuit poor electrical connection

How to Fix the DTC C1935 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 C1935 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 C1935 Lexus Code

1. What are the common symptoms of OBDII code C1935 in a Lexus related to the Front Control Board Overheat?

- Common symptoms include warning lights on the dashboard, loss of functionality in electronic systems, and overheating of the front control board.

2. What are some possible causes of the Front Control Board Overheat issue indicated by OBDII code C1935 in a Lexus?

- Causes can include a malfunctioning control board, electrical shorts, overheating due to poor ventilation, or a faulty sensor.

3. How serious is the Front Control Board Overheat issue indicated by OBDII code C1935 in a Lexus?

- This issue can lead to potential safety hazards if not addressed promptly, as it affects critical electronic systems in the vehicle.

4. What are some DIY repair tips for addressing OBDII code C1935 in a Lexus due to Front Control Board Overheat?

- Check and clean any debris blocking the control board's ventilation, inspect wiring for damage, and ensure proper cooling system functioning.

5. Can driving with the Front Control Board Overheat issue indicated by OBDII code C1935 in a Lexus cause further damage?

- Continuing to drive with this issue can potentially lead to more severe electrical problems or even system failures, so it's best to address it promptly.

6. How can a professional mechanic diagnose the Front Control Board Overheat issue related to OBDII code C1935 in a Lexus?

- A mechanic can use specialized diagnostic tools to pinpoint the exact cause, test the control board's functionality, and check for any faulty wiring or sensors.

7. Is it safe to reset the OBDII code C1935 related to Front Control Board Overheat in a Lexus without fixing the underlying issue?

- Simply clearing the code without addressing the root cause may temporarily turn off the warning light but won't solve the overheating problem.

8. Are there any recalls or service bulletins related to OBDII code C1935 Front Control Board Overheat in Lexus vehicles?

- It's advisable to check with Lexus dealerships or visit the manufacturer's website to see if there are any related recalls or service bulletins for your specific model.

9. Can extreme weather conditions contribute to the Front Control Board Overheat issue indicated by OBDII code C1935 in a Lexus?

- Yes, extreme heat or prolonged exposure to high temperatures can exacerbate the overheating problem and should be taken into consideration during diagnosis and repair.

10. What is the typical cost to repair the Front Control Board Overheat issue related to OBDII code C1935 in a Lexus at a dealership or repair shop?

- Repair costs can vary depending on the extent of the damage and the specific parts needing replacement, but it's recommended to get a diagnosis and estimate from a qualified technician.