C0273 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 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.
Code C0273 Description
What are the Possible Causes of the DTC C0273?
- 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?
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 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 C0273 code?
Need more information on how to fix the C0273 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0273 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C0273 Buick — Brake Fluid Level Switch Circuit
- C0273 Cadillac — Brake Fluid Level Switch Circuit
- C0273 Chevrolet — Brake Fluid Level Switch Circuit
- C0273 GMC — Brake Fluid Level Switch Circuit
- C0273 Hummer — Brake Fluid Level Switch Circuit
- C0273 Lexus — Open In ABS Motor Relay Circuit
- C0273 Pontiac — Electronic Brake Control Module Malfunction
- C0273 Saturn — Electronic Brake Control Module Malfunction
- C0273 Scion — Open In ABS Motor Relay Circuit
- C0273 Toyota — Open In ABS Motor Relay Circuit
Frequently Asked Questions about C0273 Code
1. What are the common symptoms of an OBDII code C0273?
- Common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with the vehicle's braking system.
2. What are the possible causes of an OBDII code C0273?
- The code C0273 can be triggered by an open circuit in the ABS motor relay circuit, a faulty ABS motor relay, damaged wiring, or a malfunctioning ABS control module.
3. How can I diagnose an open in the ABS motor relay circuit causing code C0273?
- Diagnosing the open circuit involves checking the wiring for continuity, inspecting the ABS motor relay for proper function, and testing the ABS control module for any faults using a diagnostic scan tool.
4. Can a DIY enthusiast repair an open in the ABS motor relay circuit triggering code C0273?
- Repairing an open circuit in the ABS motor relay circuit may require advanced automotive diagnostic skills and tools. It is recommended to seek assistance from a qualified mechanic for proper diagnosis and repair.
5. Is driving the vehicle with an OBDII code C0273 safe?
- Driving with an active C0273 fault code is not recommended, as it can lead to the loss of ABS functionality, compromising the vehicle's braking system and overall safety. Immediate attention and repair are advised.
6. How much does it typically cost to repair an OBDII code C0273 related to an open ABS motor relay circuit?
- The cost of repairing a C0273 code can vary depending on the underlying cause. It may involve replacing the ABS motor relay, repairing wiring issues, or addressing problems with the ABS control module, with costs ranging from a few hundred to over a thousand dollars.
7. Can a faulty wheel speed sensor trigger code C0273?
- A faulty wheel speed sensor is not a direct cause of code C0273 related to an open ABS motor relay circuit. However, it is essential to address any additional ABS-related issues to ensure the overall functionality of the system.
8. How long does it take to repair an open in the ABS motor relay circuit causing code C0273?
- The repair time for resolving an open circuit in the ABS motor relay circuit can vary based on the extent of the issue and the availability of parts. It may take a few hours to a full day for a mechanic to diagnose and repair the problem.
9. Can a low battery voltage trigger code C0273?
- Low battery voltage can potentially cause electrical issues in the vehicle, including triggering code C0273 in some cases. Ensuring the battery is in good condition and properly charged is essential for the overall health of the vehicle's electrical system.
10. Will resetting the fault codes clear OBDII code C0273 permanently?
- Resetting the fault codes may temporarily clear the C0273 code, but if the underlying issue causing the open in the ABS motor relay circuit is not addressed, the code is likely to reappear. It is crucial to diagnose and repair the root cause of the problem to prevent code recurrence.
Discuss the causes and fixes for C0273 OBDII Code
Code C0273 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
