AutoCodes – Toyota – C0246 Toyota

C0246 Toyota Code - Rear Solenoid Valve

Quick Answer

The Anti-Lock Brake System (ABS) solenoid turns on when signals are received from the ABS Electronic Control Unit (ECU) and controls pressure acting on calipers/wheel cylinders, thus controlling braking force. Common causes include Faulty Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) (ABS Actuator), ABS ECU harness is open or shorted, ABS 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: C0246 Toyota indicates Rear Solenoid Valve.
Common causes: Common causes include Faulty Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) (ABS Actuator), ABS ECU harness is open or shorted, ABS 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 26,275

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 Aug 24, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0246 Toyota Description

The Anti-Lock Brake System (ABS) solenoid turns on when signals are received from the ABS Electronic Control Unit (ECU) and controls pressure acting on calipers/wheel cylinders, thus controlling braking force. The ABS ECU sets the OBDII code when the Solenoid is not to factory specifications. The solenoid and solenoid relay is built into the ABS ECU.

OBDII Code C0246 Toyota - Rear Solenoid Valve - AutoCodes.com — C0246 Toyota Code - Rear Solenoid Valve

What does this mean?

What are the Possible Causes of the DTC C0246 Toyota?

Faulty Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) (ABS Actuator)
ABS ECU harness is open or shorted
ABS ECU circuit poor electrical connection

How to Fix the DTC C0246 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 C0246 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.

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Need more information on how to fix the C0246 Toyota code? Get Access to Factory Service Manuals

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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 C0246 Toyota Code

1. What are the common symptoms of OBDII code C0246 Toyota related to the Rear Solenoid Valve?

The common symptoms include difficulty shifting gears, transmission slippage, and the transmission staying in one gear.

2. What are the possible causes of OBDII code C0246 Toyota?

The code C0246 is typically triggered by a faulty rear solenoid valve, wiring issues, or low transmission fluid levels.

3. How can I diagnose the issue causing OBDII code C0246 Toyota?

Diagnosing the issue involves checking the rear solenoid valve for proper function, inspecting the wiring for any damage, and ensuring the transmission fluid levels are correct.

4. Can I still drive my vehicle with OBDII code C0246 Toyota triggered?

It is not recommended to drive the vehicle with this code triggered, as it can lead to further transmission damage and safety risks.

5. How can I repair OBDII code C0246 Toyota related to the Rear Solenoid Valve?

Repairing the issue involves replacing the faulty rear solenoid valve, repairing any damaged wiring, and ensuring proper transmission fluid levels.

6. Will resetting the OBDII code C0246 Toyota make the issue go away?

Resetting the code may temporarily clear the warning light, but the underlying issue causing the code will still need to be addressed to prevent further problems.

7. Can a DIY enthusiast fix OBDII code C0246 Toyota themselves?

While some experienced DIY enthusiasts may be able to replace the rear solenoid valve, it is recommended to have a professional mechanic diagnose and repair the issue due to the complexity of transmission systems.

8. How much does it typically cost to repair OBDII code C0246 Toyota at a repair shop?

The cost of repairing OBDII code C0246 can vary depending on the labor rates and parts costs, but it can range from $200 to $500 or more.

9. Are there any preventive maintenance tips to avoid triggering OBDII code C0246 Toyota?

Regularly checking and maintaining proper transmission fluid levels, addressing any transmission issues promptly, and following the manufacturer's recommended service schedule can help prevent triggering this code.

10. How long does it usually take to repair OBDII code C0246 Toyota at a repair shop?

The repair time can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day for a mechanic to diagnose and repair the problem.