AutoCodes – Toyota – C1316 Toyota

C1316 Toyota Code - Changeover Solenoid Malfunction SMC2

Quick Answer

Each solenoid adjusts pressure which affects each wheel cylinder according to signals from the Skid Control Electronic Control Unit (ECU) and controls the vehicle. Common causes include Faulty Brake Actuator Assembly, Faulty Skid Control Electronic Control Unit (ECU), Skid Control ECU harness is open or shorted. 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: C1316 Toyota indicates Changeover Solenoid Malfunction SMC2.
Common causes: Common causes include Faulty Brake Actuator Assembly, Faulty Skid Control Electronic Control Unit (ECU), Skid Control ECU harness is open or shorted.
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 4,388

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 Sep 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1316 Toyota Description

Each solenoid adjusts pressure which affects each wheel cylinder according to signals from the Skid Control Electronic Control Unit (ECU) and controls the vehicle. The Master Cut Solenoid (SMC 1/2) is closed and blocks the master cylinder pressure from the Electronically Controlled Brake (ECB) control pressure when the system is normal. The master cut solenoid is open and sends the master cylinder fluid pressure to the non–assisted brake wheel cylinders during the fail safe due to system malfunction.

OBDII Code C1316 Toyota - Changeover Solenoid Malfunction SMC2 - AutoCodes.com — C1316 Toyota Code - Changeover Solenoid Malfunction SMC2

What does this mean?

What are the Possible Causes of the DTC C1316 Toyota?

Faulty Brake Actuator Assembly
Faulty Skid Control Electronic Control Unit (ECU)
Skid Control ECU harness is open or shorted
Skid Control ECU circuit poor electrical connection

How to Fix the DTC C1316 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 C1316 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 C1316 Toyota code?

Need more information on how to fix the C1316 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 C1316 Toyota Code

1. What are the common symptoms of OBDII code C1316 Toyota (Changeover Solenoid Malfunction SMC2)?

Common symptoms include illuminated Check Engine Light, rough idle, poor acceleration, and possible transmission shifting issues.

2. What can cause the Changeover Solenoid Malfunction SMC2 code (C1316) in a Toyota?

Possible causes include a faulty changeover solenoid, damaged wiring or connectors, low transmission fluid levels, or internal transmission issues.

3. How do I diagnose the Changeover Solenoid Malfunction SMC2 code in my Toyota?

Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the related components like the solenoid and wiring for any visible damage, and testing the solenoid's resistance.

4. Can I continue driving my Toyota with the C1316 code present?

It is not recommended to drive your vehicle with the C1316 code active, as it can lead to further damage and safety concerns. It's best to address the issue promptly.

5. How can I repair the Changeover Solenoid Malfunction SMC2 code in my Toyota?

Repair options may include replacing the faulty solenoid, repairing damaged wiring or connectors, ensuring proper transmission fluid levels, and clearing the code with an OBDII scanner.

6. Is it possible to reset the C1316 code in a Toyota without fixing the underlying issue?

While you can clear the code temporarily with an OBDII scanner, the Check Engine Light is likely to return if the root cause of the code is not addressed.

7. Are there any DIY tips for fixing the Changeover Solenoid Malfunction SMC2 code in a Toyota?

DIY tips may include checking and cleaning electrical connectors, inspecting for visible damage, and ensuring proper transmission fluid levels before seeking professional help if needed.

8. Can a Changeover Solenoid Malfunction SMC2 code impact my Toyota's fuel efficiency?

Yes, unresolved transmission issues related to this code can potentially affect fuel efficiency due to poor engine performance and transmission operation.

9. How much does it typically cost to repair the C1316 code in a Toyota?

The cost of repairs can vary depending on the extent of the issue, parts needed, and labor charges. It's advisable to consult a mechanic for a more accurate estimate.

10. Is the Changeover Solenoid Malfunction SMC2 code common in Toyota vehicles?

While not extremely common, this code can occur in Toyota vehicles, particularly in models with automatic transmissions. Regular maintenance can help prevent such issues.