AutoCodes – Toyota – C1AE9 2018 Toyota RAV4

C1AE9 2018 Toyota RAV4 Code - Ultrasonic Sensor Rear Right Corner Sensor

Quick Answer

The No. Common causes include Faulty No, 3 Ultrasonic Sensor (Rear Right [RH] Corner Sensor), No. 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: C1AE9 2018 Toyota RAV4 indicates Ultrasonic Sensor Rear Right Corner Sensor.
Common causes: Common causes include Faulty No, 3 Ultrasonic Sensor (Rear Right [RH] Corner Sensor), No.
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 467

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 14, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code C1AE9 2018 Toyota RAV4 Description

The No. 3 Ultrasonic Sensor (Rear Right [RH] Corner Sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 3 Ultrasonic Sensor (Rear Right [RH] Corner Sensor). If the No. 3 Ultrasonic Sensor (Rear Right [RH] Corner Sensor) has an open circuit or other malfunction, it will not function normally.

OBDII Code C1AE9 2018 Toyota RAV4 - Ultrasonic Sensor Rear Right Corner Sensor - AutoCodes.com — C1AE9 2018 Toyota RAV4 Code - Ultrasonic Sensor Rear Right Corner Sensor

What does this mean?

What are the Possible Causes of the DTC C1AE9 2018 Toyota RAV4?

Faulty No. 3 Ultrasonic Sensor (Rear Right [RH] Corner Sensor)
No. 3 Ultrasonic Sensor harness is open or shorted
No. 3 Ultrasonic Sensor circuit poor electrical connection
Faulty Clearance Warning ECU Assembly

How to Fix the DTC C1AE9 2018 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 C1AE9 2018 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 C1AE9 2018 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.