AutoCodesToyota – C1225 Toyota

C1225 Toyota Code - SM Solenoid Circuit

Quick Answer

The SM Solenoid turns on when the signal is received from the Skid Control ECU (Brake Actuator Assembly) and they control the pressure acting on the wheel cylinders to control the braking force. Common causes include Faulty Skid Control ECU (Brake Actuator Assembly). 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
C1225 Toyota indicates SM Solenoid Circuit.
Common causes
Common causes include Faulty Skid Control ECU (Brake Actuator Assembly).
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 21,249
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 18, 2023
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Code C1225 Toyota Description

The SM Solenoid turns on when the signal is received from the Skid Control ECU (Brake Actuator Assembly) and they control the pressure acting on the wheel cylinders to control the braking force. The Skid Control ECU (Brake Actuator Assembly) monitors the SM Solenoid. The Skid Control ECU (Brake Actuator Assembly) sets the Diagnostic Trouble Code (DTC) when the SM Solenoid is not to factory specifications.
OBDII Code C1225 Toyota - SM Solenoid Circuit - AutoCodes.com
C1225 Toyota Code - SM Solenoid Circuit

What are the Possible Causes of the DTC C1225 Toyota?

  • Faulty Skid Control ECU (Brake Actuator Assembly)

How to Fix the DTC C1225 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 C1225 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 C1225 Toyota code?

Need more information on how to fix the C1225 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Toyota Models

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 C1225 Toyota Code

1. What does the OBDII code C1225 on a Toyota mean?

C1225 indicates a problem with the SM (Solenoid Motor) circuit, typically related to the vehicle’s ABS system.

2. What are common symptoms of code C1225 in a Toyota?

Symptoms may include an illuminated ABS warning light, reduced braking performance, or intermittent ABS activation.

3. What causes the C1225 code on a Toyota?

Common causes include a faulty solenoid motor, damaged wiring or connectors, or issues with the ABS control module.

4. Can I drive my Toyota with the C1225 code?

While the vehicle may still be drivable, compromised ABS functionality can affect braking safety, especially in slippery conditions.

5. How can I diagnose the C1225 code on a Toyota?

Use an OBDII scanner to confirm the code, then inspect the wiring, connectors, and solenoid motor for damage or wear.

6. How do I fix the C1225 code on a Toyota?

Repairs may involve replacing the SM solenoid motor, repairing damaged wiring, or addressing issues with the ABS control module.

7. Is the C1225 code specific to Toyota vehicles?

While C1225 typically pertains to Toyota vehicles, other manufacturers may use similar codes for ABS-related issues.

8. How much does it cost to repair a C1225 code on a Toyota?

Repair costs vary depending on the issue but can range from $150 to $500 for parts and labor.

9. Can a weak battery cause the C1225 code on a Toyota?

Yes, low voltage or a weak battery can sometimes trigger ABS-related codes, including C1225.

10. Do I need to reset the ABS system after fixing the C1225 code?

Yes, after repairs, you may need to clear the code using an OBDII scanner and test the ABS system to ensure proper functionality.

Discuss the causes and fixes for C1225 Toyota OBDII Code

  • I have a Toyota Highlander 2001, I have both the ABS and brake light on, I actually bought it like that, but I hade bought a second hand ABS actuator hoping to solve my problem but yet it’s the same. Can anyone help please ?

  • Do you had the same code before replacing the ABS actuator?
    Unfortunately, other than the ABS actuator, I have not seen any other component setting the C1225 code.
    Make sure the ABS actuator connector pins are not damage and clean.

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