AutoCodesGeneric – C1AE4

C1AE4 Code - Ultrasonic Sensor Front Right Corner Sensor

Quick Answer

The No. Common causes include Faulty No, 1 Ultrasonic Sensor (Front 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
C1AE4 indicates Ultrasonic Sensor Front Right Corner Sensor.
Common causes
Common causes include Faulty No, 1 Ultrasonic Sensor (Front 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 1,407
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 14, 2023
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Code C1AE4 Description

The No. 1 Ultrasonic Sensor (Front Right [RH] Corner Sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 Ultrasonic Sensor (Front Right [RH] Corner Sensor). If the No. 1 Ultrasonic Sensor (Front Right [RH] Corner Sensor) has an open circuit or other malfunction, it will not function normally.
OBDII Code C1AE4 - Ultrasonic Sensor Front Right Corner Sensor - AutoCodes.com
C1AE4 Code - Ultrasonic Sensor Front Right Corner Sensor

What are the Possible Causes of the DTC C1AE4?

  • Faulty No. 1 Ultrasonic Sensor (Front Right [RH] Corner Sensor)
  • No. 1 Ultrasonic Sensor harness is open or shorted
  • No. 1 Ultrasonic Sensor circuit poor electrical connection
  • Faulty Clearance Warning ECU Assembly

How to Fix the DTC C1AE4?

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 C1AE4 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.

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Need Help with the Code?

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Information for Specific Makes

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 C1AE4 Code

1. What does the OBDII code C1AE4 mean?

The code C1AE4 indicates an issue with the ultrasonic front right corner sensor used in parking assist systems.

2. What are the common symptoms of code C1AE4?

Symptoms may include difficulty with parking assist, inaccurate proximity warnings, or the system failing to detect obstacles near the front right corner of the vehicle.

3. What causes the C1AE4 code to appear?

Common causes include sensor damage, wiring issues, dirt or debris obstructing the sensor, or a faulty connection.

4. How can I confirm that the ultrasonic sensor is the issue?

Inspect the sensor for physical damage, clean it of debris, and check its wiring and connections for corrosion or disconnection.

5. Can a dirty sensor trigger the C1AE4 code?

Yes, a dirty or obstructed ultrasonic sensor can cause inaccurate readings and trigger the code.

6. How do I fix code C1AE4?

Repair options include cleaning the sensor, repairing damaged wiring, ensuring secure connections, or replacing the sensor if it's malfunctioning.

7. Is it safe to drive with the C1AE4 code?

Yes, but parking assist functionality may be compromised, making it harder to detect obstacles near the front right corner of the vehicle.

8. How much does it cost to replace the ultrasonic sensor?

Replacement costs typically range from $100 to $300, depending on the vehicle model and labor rates.

9. Can I reset the C1AE4 code without repairing the sensor?

Resetting the code without addressing the underlying issue may temporarily clear it, but the problem will likely return.

10. Should I consult a professional for a C1AE4 code?

If cleaning and checking connections don’t resolve the issue, it’s recommended to consult a professional for further diagnosis and repair.

Discuss the causes and fixes for C1AE4 OBDII Code

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