AutoCodes – Toyota – C1A46 Toyota

C1A46 Toyota Code - Yaw Rate Sensor

Quick Answer

The Driving Support ECU Assembly receives Airbag Sensor Assembly signals from the Airbag Sensor Assembly and Skid Control ECU (Brake Actuator Assembly) via CAN communication. Common causes include Faulty Vehicle stability control system, Faulty Skid Control ECU (Brake Actuator Assembly), 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: C1A46 Toyota indicates Yaw Rate Sensor.
Common causes: Common causes include Faulty Vehicle stability control system, Faulty Skid Control ECU (Brake Actuator Assembly), 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 324

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 01, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C1A46 Toyota Description

The Driving Support ECU Assembly receives Airbag Sensor Assembly signals from the Airbag Sensor Assembly and Skid Control ECU (Brake Actuator Assembly) via CAN communication. If the Driving Support ECU Assembly receives Airbag Sensor Assembly malfunction signals from the Airbag Sensor Assembly or Skid Control ECU (Brake Actuator Assembly), Diagnostic Trouble Code (DTC) C1A46 is stored.

OBDII Code C1A46 Toyota - Yaw Rate Sensor - AutoCodes.com — C1A46 Toyota Code - Yaw Rate Sensor

What does this mean?

What are the Possible Causes of the DTC C1A46 Toyota?

Faulty Vehicle stability control system
Faulty Skid Control ECU (Brake Actuator Assembly)
Faulty Driving Support ECU Assembly
Faulty Airbag Sensor Assembly

How to Fix the DTC C1A46 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 C1A46 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 C1A46 Toyota code?

Need more information on how to fix the C1A46 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1A46 Toyota code diagnosed by a professional: Find a repair shop in your area

Information for Specific Toyota Models

C1A46 2013 Toyota RAV4 — Yaw Rate Sensor
C1A46 2014 Toyota RAV4 — Yaw Rate Sensor
C1A46 2015 Toyota RAV4 — Yaw Rate Sensor
C1A46 2016 Toyota RAV4 — Yaw Rate Sensor
C1A46 2017 Toyota RAV4 — Yaw Rate Sensor
C1A46 2018 Toyota RAV4 — Yaw Rate Sensor

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.