AutoCodes – Toyota – C1935 Toyota

C1935 Toyota 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 Toyota 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 721

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 Toyota Description

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

What does this mean?

What are the Possible Causes of the DTC C1935 Toyota?

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 Toyota?

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 Toyota 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 C1935 Toyota code?

Need more information on how to fix the C1935 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1935 Toyota code diagnosed by a professional: Find a repair shop in your area

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 Toyota Code

What does OBDII code C1935 mean for a Toyota vehicle?

OBDII code C1935 indicates that the Front Control Board is overheating, which can affect the vehicle's electrical systems and performance.

What symptoms might I experience with code C1935?

Symptoms may include warning lights on the dashboard, issues with the vehicle's electrical components, or erratic behavior of the control systems.

What are common causes of the C1935 code?

Common causes include a malfunctioning front control board, poor electrical connections, excessive heat in the control module area, or other related electrical issues.

How can I diagnose the C1935 code?

To diagnose the code, use an OBDII scanner to confirm the code, inspect the front control board and its connections, and check for any signs of overheating or damage.

What repairs might be necessary for code C1935?

Repairs may involve replacing the front control board, repairing any damaged wiring or connectors, or addressing overheating issues in the area around the control module.

Can I drive my Toyota if it has the C1935 code?

While it's possible to drive the vehicle, it's not recommended, as issues with the electrical system could lead to further problems or safety hazards.

How much might it cost to fix a C1935 code?

Repair costs can vary widely depending on the specific issue, but replacing the front control board can range from a few hundred to over a thousand dollars, including labor.

Is code C1935 specific to certain Toyota models?

While C1935 can occur in various Toyota models, it is more commonly reported in vehicles with complex electrical systems and advanced features.

Are there any preventive measures to avoid C1935 code issues?

Regular maintenance of the vehicle's electrical system, keeping connectors clean and secure, and ensuring proper ventilation around the control board can help prevent overheating issues.