AutoCodes – Scion – C0273 Scion

C0273 Scion Code - Open In ABS Motor Relay Circuit

Quick Answer

The Anti-Lock Brake System (ABS) motor relay built into the Skid Control ECU (Brake Actuator Assembly) supplies the power to the ABS Pump Motor. Common causes include Faulty Skid Control ECU (Brake Actuator Assembly), Skid Control ECU harness is open or shorted, Skid Control ECU circuit poor electrical connection. 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
C0273 Scion indicates Open In ABS Motor Relay Circuit.
Common causes
Common causes include Faulty Skid Control ECU (Brake Actuator Assembly), Skid Control ECU harness is open or shorted, Skid Control ECU circuit poor electrical connection.
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 2,847
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 05, 2023
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Code C0273 Scion Description

The Anti-Lock Brake System (ABS) motor relay built into the Skid Control ECU (Brake Actuator Assembly) supplies the power to the ABS Pump Motor. While the ABS is activated, the Skid Control ECU (Brake Actuator Assembly) turns the motor relay ON and operates the ABS pump motor. If the voltage supplied to the motor relay is below the Diagnostic Trouble Code (DTC) detection threshold due to low voltage from the battery or alternator, these DTCs may be stored.
OBDII Code C0273 Scion - Open In ABS Motor Relay Circuit - AutoCodes.com
C0273 Scion Code - Open In ABS Motor Relay Circuit

What are the Possible Causes of the DTC C0273 Scion?

  • Faulty Skid Control ECU (Brake Actuator Assembly)
  • Skid Control ECU harness is open or shorted
  • Skid Control ECU circuit poor electrical connection

How to Fix the DTC C0273 Scion?

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 C0273 Scion 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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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 C0273 Scion Code

1. What are common symptoms of OBDII code C0273 in a Scion related to an open in the ABS motor relay circuit?

The common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of ABS functionality, and possible issues with the vehicle's stability control system.

2. What are the possible causes of OBDII code C0273 in a Scion indicating an open in the ABS motor relay circuit?

Potential causes include a faulty ABS motor relay, damaged wiring or connectors in the ABS motor relay circuit, or a malfunctioning ABS control module.

3. How can I diagnose the issue related to OBDII code C0273 in a Scion indicating an open in the ABS motor relay circuit?

Diagnosis typically involves using a scan tool to retrieve the trouble code, checking the ABS motor relay and related components for proper functioning, and inspecting the wiring for any breaks or damage.

4. What are some repair tips for addressing OBDII code C0273 in a Scion indicating an open in the ABS motor relay circuit?

Repair tips may include replacing the faulty ABS motor relay, repairing any damaged wiring or connectors, resetting the ABS system, and clearing the trouble code from the vehicle's memory.

5. Can I continue to drive my Scion with OBDII code C0273 related to an open in the ABS motor relay circuit?

It is not recommended to continue driving the vehicle with this issue, as it may affect the ABS functionality and compromise the vehicle's safety on the road. It is advisable to address the problem promptly.

6. Is it possible to reset the OBDII code C0273 in a Scion indicating an open in the ABS motor relay circuit without fixing the underlying issue?

While you can clear the trouble code using a scan tool, it is essential to address the root cause of the problem to prevent the code from reoccurring and ensure the proper functioning of the ABS system.

7. Are there any safety concerns associated with OBDII code C0273 in a Scion related to an open in the ABS motor relay circuit?

Yes, there are safety concerns as the ABS system plays a crucial role in enhancing vehicle stability and control during braking. Driving with a compromised ABS system can increase the risk of accidents, especially in emergency braking situations.

8. How much does it typically cost to repair OBDII code C0273 in a Scion indicating an open in the ABS motor relay circuit?

The cost of repair can vary depending on the extent of the issue, the parts needed for replacement, and labor costs. It is advisable to consult with a qualified mechanic or repair shop for an accurate estimate.

9. Can a DIY enthusiast with automotive knowledge fix OBDII code C0273 in a Scion related to an open in the ABS motor relay circuit?

If you have the necessary automotive knowledge, tools, and access to the appropriate replacement parts, you may be able to address the issue yourself. However, it is crucial to follow proper procedures to ensure the repair is done correctly.

10. Will fixing OBDII code C0273 in a Scion indicating an open in the ABS motor relay circuit improve overall vehicle performance?

Fixing the issue related to OBDII code C0273 will restore the proper functioning of the ABS system, which is essential for vehicle safety and stability. Addressing the problem will help maintain optimal performance and ensure a safe driving experience.

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