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Engine-Codes – Scion – C0273 Scion

C0273 Scion Code - Open In ABS Motor Relay Circuit

Quick Answer

The C0273 diagnostic trouble code for Scion vehicles indicates an open in the ABS motor relay circuit. Common causes include Faulty ABS motor relay, Corroded or damaged wiring in the ABS motor relay circuit, Loose or poor electrical connections. 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 ABS motor relay, Corroded or damaged wiring in the ABS motor relay circuit, Loose or poor electrical connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code C0273 Scion Description

The C0273 diagnostic trouble code for Scion vehicles indicates an open in the ABS motor relay circuit. This means that there is a break or interruption in the electrical circuit that controls the ABS motor relay. The ABS (anti-lock braking system) motor relay is responsible for controlling the ABS pump motor, which is essential for the proper functioning of the ABS system. When this circuit is open, it can lead to the ABS system not working correctly, potentially compromising the vehicle's ability to brake safely in emergency situations.

OBDII Code C0273 Scion - Open In ABS Motor Relay Circuit
C0273 Scion Code - Open In ABS Motor Relay Circuit

Common Causes of C0273 Scion

  1. Faulty ABS motor relay
  2. Corroded or damaged wiring in the ABS motor relay circuit
  3. Loose or poor electrical connections
  4. Water or moisture intrusion in the ABS motor relay circuit
  5. Issues with the ABS control module

Symptoms of C0273 Scion

  1. Illuminated ABS warning light on the dashboard
  2. ABS system not engaging during braking
  3. Increased braking distance
  4. Unusual noises coming from the ABS pump
  5. ABS system activating unnecessarily or at inappropriate times

How to Fix C0273 Scion

  1. Begin by diagnosing the ABS system using a professional diagnostic tool to confirm the C0273 code and pinpoint the exact cause of the issue.
  2. Inspect the ABS motor relay and associated wiring for any signs of damage, corrosion, or loose connections. Replace or repair any faulty components as needed.
  3. Check for water or moisture intrusion in the ABS motor relay circuit and address any leaks or seal any entry points to prevent future issues.
  4. Test the ABS system after repairs are completed to ensure that the code is no longer present and that the ABS system functions correctly.
  5. Clear the diagnostic trouble codes from the vehicle's memory using the diagnostic tool to reset the ABS system and turn off the warning light on the dashboard.

Cost to Fix C0273 Scion

The cost of repairing an open in the ABS motor relay circuit can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the repair costs for this type of issue can range from $200 to $500, including parts and labor. It is advisable to contact local auto repair shops to obtain accurate estimates based on the make and model of the vehicle, as well as the severity of the problem. Keep in mind that diagnostic time and labor rates can vary, so it's essential to inquire about these factors when obtaining a repair quote.

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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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