AutoCodes – Toyota – C1A64 2015 Toyota RAV4

C1A64 2015 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 2015 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.

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Code Popularity 1,242

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 Mar 03, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1A64 2015 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 2015 Toyota RAV4 - Brake Control Signal Mismatch - AutoCodes.com — C1A64 2015 Toyota RAV4 Code - Brake Control Signal Mismatch

What does this mean?

What are the Possible Causes of the DTC C1A64 2015 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 2015 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 2015 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 2015 Toyota RAV4 code?

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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 C1A64 2015 Toyota RAV4 Code

1. What are the common symptoms of OBDII code C1A64 in a 2015 Toyota RAV4?

The common symptoms include the ABS warning light illuminating on the dashboard, traction control issues, and potential difficulty with the vehicle's braking system.

2. What does the OBDII code C1A64 Brake Control Signal Mismatch mean for a 2015 Toyota RAV4?

This code indicates a communication problem between the brake control module and other related systems in the vehicle.

3. What are some possible causes of the C1A64 code in a 2015 Toyota RAV4?

Possible causes include a faulty brake control module, damaged wiring or connectors in the brake system, or issues with the ABS sensors.

4. How can I diagnose the OBDII code C1A64 in my 2015 Toyota RAV4?

Diagnosis typically involves using a professional OBDII scanner to read and interpret the code, checking the brake control module for any visible damage, and inspecting the wiring and connectors for signs of wear or corrosion.

5. Are there any DIY repair tips for fixing the Brake Control Signal Mismatch issue in a 2015 Toyota RAV4?

While some basic troubleshooting steps can be taken, it is recommended to consult a professional mechanic for proper diagnosis and repair of this code due to the complexity of the brake control system.

6. Can driving with the C1A64 code present cause further damage to my 2015 Toyota RAV4?

Continuing to drive with this code present can potentially lead to safety risks due to malfunctioning ABS and traction control systems. It is advisable to address the issue promptly.

7. Is it safe to reset the OBDII code C1A64 in a 2015 Toyota RAV4 without fixing the underlying problem?

Resetting the code without addressing the root cause may temporarily turn off the warning light, but the issue will likely reappear once the problem persists, risking safety and performance problems.

8. How much does it typically cost to repair the Brake Control Signal Mismatch issue in a 2015 Toyota RAV4?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the brake control module, repairing damaged wiring, or addressing other related components.

9. Can a software update fix the C1A64 code in a 2015 Toyota RAV4?

In some cases, a software update provided by the manufacturer may address communication issues and resolve the Brake Control Signal Mismatch problem without the need for hardware replacement.

10. Is the OBDII code C1A64 specific to the 2015 Toyota RAV4, or can it occur in other vehicles?

While the specific code may vary across different vehicle models, similar Brake Control Signal Mismatch issues can occur in other vehicles with ABS and traction control systems.