AutoCodesToyota – C1A64 2014 Toyota RAV4

C1A64 2014 Toyota RAV4 Code - Brake Control Signal Mismatch

Quick Answer

The Skid Control ECU (Brake Actuator Assembly) sends signals to the Driving Support ECU Assembly according to the brake control status. Common causes include Faulty Vehicle Stability Control System, Faulty Brake Actuator Assembly (Skid Control ECU), Faulty Driving Support ECU 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
C1A64 2014 Toyota RAV4 indicates Brake Control Signal Mismatch.
Common causes
Common causes include Faulty Vehicle Stability Control System, Faulty Brake Actuator Assembly (Skid Control ECU), Faulty Driving Support ECU 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 181
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 03, 2023
💬 Need more help? Ask Coddy for instant answers — it's free!

Code C1A64 2014 Toyota RAV4 Description

The Skid Control ECU (Brake Actuator Assembly) sends signals to the Driving Support ECU Assembly according to the brake control status. If the Driving Support ECU Assembly receives a Vehicle Stability Control (VSC) System malfunction signal from the Skid Control ECU (Brake Actuator Assembly), it stores Diagnostic Trouble Code (DTC) C1A64.
OBDII Code C1A64 2014 Toyota RAV4 - Brake Control Signal Mismatch - AutoCodes.com
C1A64 2014 Toyota RAV4 Code - Brake Control Signal Mismatch

What are the Possible Causes of the DTC C1A64 2014 Toyota RAV4?

  • Faulty Vehicle Stability Control System
  • Faulty Brake Actuator Assembly (Skid Control ECU)
  • Faulty Driving Support ECU Assembly

How to Fix the DTC C1A64 2014 Toyota RAV4?

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 C1A64 2014 Toyota RAV4 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 C1A64 2014 Toyota RAV4 code?

Need more information on how to fix the C1A64 2014 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1A64 2014 Toyota RAV4 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 C1A64 2014 Toyota RAV4 Code

1. What does the OBDII code C1A64 mean on a 2014 Toyota RAV4?

C1A64 indicates a "Brake Control Signal Mismatch," meaning there is an inconsistency between the signals sent and received by the brake control system.

2. What are the common symptoms of code C1A64 in a 2014 Toyota RAV4?

Symptoms may include the ABS warning light, traction control light, or stability control light illuminating, along with potential loss of certain braking or stability control functions.

3. What causes the C1A64 code to appear on a 2014 Toyota RAV4?

Common causes include faulty brake system sensors, wiring issues, a malfunctioning brake actuator, or communication errors between the brake control module and other systems.

4. Can I drive my 2014 Toyota RAV4 with the C1A64 code active?

It’s not recommended, as the vehicle’s ABS, traction control, or stability control systems may not function properly, increasing the risk of an accident in certain driving conditions.

5. How do you diagnose the C1A64 code on a 2014 Toyota RAV4?

A technician will use a scan tool to read the code, inspect the brake system wiring and sensors, and perform tests on the brake control system components to identify the issue.

6. How can I fix the C1A64 code on my 2014 Toyota RAV4?

Repairs may involve replacing a faulty brake system sensor, repairing damaged wiring, or replacing the brake actuator or control module if it’s determined to be defective.

7. Is the C1A64 code caused by a software issue in the brake system?

While rare, a software issue in the brake control module could potentially cause this code. Updating the module’s software may resolve the problem in such cases.

8. How much does it cost to repair the C1A64 code on a 2014 Toyota RAV4?

Repair costs vary widely depending on the root cause but can range from $100 for simple wiring repairs to over $1,000 if the brake actuator or control module needs replacement.

9. Can a low battery cause the C1A64 code in a 2014 Toyota RAV4?

A weak or low battery can sometimes cause communication errors in the brake control system, potentially triggering the C1A64 code.

10. Can I reset the C1A64 code without repairing the issue on my 2014 Toyota RAV4?

You can clear the code with an OBDII scanner, but if the underlying problem isn’t fixed, the code and symptoms will likely return.

Discuss the causes and fixes for C1A64 2014 Toyota RAV4 OBDII Code

Code C1A64 2014 Toyota RAV4 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play