Quick Answer
C0273 means: C0273 indicates an issue with the electronic stability control system.
Can I drive with C0273? Immediate attention is recommended to ensure vehicle stability and safety.
Common Questions
What does C0273 mean and how does it affect my car?
C0273 indicates a malfunction in your vehicle's stability control system, which is essential for maintaining control during slippery conditions. If you experience this code, it's crucial to address it promptly to avoid safety issues.
What are the most common causes of C0273 and how much does it cost to fix?
Common causes include faulty wheel speed sensors and wiring issues, with repair costs ranging from $100 to $300 depending on the specific problem.
Can I drive my car with C0273 or should I stop immediately?
It's advisable to avoid driving the vehicle until the issue is resolved, as the stability control system's failure can lead to loss of traction and control.
How can I diagnose C0273 myself using GeekOBD APP?
To diagnose C0273 with GeekOBD APP, connect the device, perform a scan to retrieve the code, and check the freeze frame data for additional context. This can help pinpoint the underlying issue.
What vehicles are most commonly affected by C0273?
C0273 is commonly found in vehicles like the 2015-2018 Chevrolet Equinox and 2016-2019 GMC Terrain, among others. Check for any recalls or TSBs associated with these models.
How can I prevent C0273 from happening again?
Regular maintenance, such as checking wheel speed sensors and wiring connections, can help prevent C0273. Keeping your vehicle's software updated is also essential.
What is C0273?
The DTC code C0273 indicates a malfunction within the electronic stability control (ESC) system of a vehicle. This code can arise due to various issues, including faulty sensors, improper wiring, or software malfunctions. In essence, the ESC system is designed to enhance vehicle stability by detecting and reducing loss of traction. When the C0273 code is triggered, it signifies that the system has detected a fault that could compromise the vehicle's stability, particularly under adverse driving conditions. Commonly found in vehicles such as the 2015-2018 Chevrolet Equinox and the 2016-2019 GMC Terrain, this code may lead to the illumination of the check engine light or the stability control warning light on the dashboard. Ignoring this code can have serious implications, as it may lead to reduced vehicle control, especially in slippery conditions. Therefore, understanding what C0273 means in practical terms is crucial for car owners who want to maintain their vehicle's performance and safety. Regular diagnostics and timely repairs can prevent further complications, such as increased wear on tires and suspension components, ultimately saving on repair costs in the long run.
System: C - Chassis (ABS, Steering, Suspension)
Symptoms
Common symptoms when C0273 is present:
- The check engine light remains illuminated, indicating a persistent issue with the vehicle's stability control system.
- The stability control warning light activates, providing a visual cue that the system is not functioning correctly.
- Drivers may experience a noticeable decrease in vehicle handling, especially during sharp turns or slippery roads.
- Unexpected traction loss during acceleration or braking, which can lead to dangerous driving conditions.
- An increase in tire wear due to improper traction management, potentially leading to costly replacements.
Possible Causes
Most common causes of C0273 (ordered by frequency):
- {'cause': 'Faulty wheel speed sensors', 'likelihood': '40%', 'details': 'These sensors monitor the speed of each wheel and relay this information to the ESC system. If they malfunction, it can trigger the C0273 code.'}
- {'cause': 'Damaged wiring or connectors', 'details': 'Corroded or frayed wires can disrupt communication between the ESC system and its components, leading to faults.'}
- {'cause': 'Software issues within the ESC module', 'details': 'Outdated or corrupted software can prevent the ESC from functioning properly. Regular updates may help prevent this.'}
- {'cause': 'Mechanical issues with the braking system', 'details': "Problems with brake components can interfere with the stability control system's operation."}
- {'cause': 'Low brake fluid levels', 'details': 'Low levels can affect brake performance and, subsequently, the ESC functionality.'}
C0273 Repair Costs
Cost Breakdown by Repair Type
Wheel Speed Sensor Replacement
Replacing faulty wheel speed sensors to restore proper function to the ESC system.
- Total: $150 - $300
- Success rate: 85%
Wiring Repair
Repairing or replacing damaged wiring or connectors in the ESC system.
- Total: $100 - $250
- Success rate: 75%
ESC Module Reprogramming
Updating or reprogramming the ESC module software to resolve any glitches.
- Total: $50 - $150
- Success rate: 70%
Money-Saving Tips for C0273
- Start with the most common and least expensive repairs first
- Use GeekOBD APP to confirm diagnosis before replacing expensive parts
- Consider preventive maintenance to avoid future occurrences
- Compare prices for OEM vs aftermarket parts based on your needs
- Address the issue promptly to prevent more expensive secondary damage
Diagnostic Steps
Professional C0273 Diagnosis Process
Follow these systematic steps to accurately diagnose C0273. Each step builds on the previous one to ensure accurate diagnosis.
Step 1: Step 1: Perform an initial visual inspection of wiring and connectors to identify any obvious damage (5-10 minutes)
Step 1: Perform an initial visual inspection of wiring and connectors to identify any obvious damage (5-10 minutes).
Step 2: Step 2: Use the GeekOBD APP to scan for the C0273 code and retrieve freeze frame data that shows the vehicle's status at the time of the fault (10-15 minutes)
Step 2: Use the GeekOBD APP to scan for the C0273 code and retrieve freeze frame data that shows the vehicle's status at the time of the fault (10-15 minutes).
Step 3: Step 3: Conduct component testing on suspected faulty sensors with a multimeter, ensuring that they are functioning within specified ranges (20-30 minutes)
Step 3: Conduct component testing on suspected faulty sensors with a multimeter, ensuring that they are functioning within specified ranges (20-30 minutes).
Step 4: Step 4: Perform a system function test to verify that all components of the ESC system are operational post-repair, and clear any stored codes (10-15 minutes)
Step 4: Perform a system function test to verify that all components of the ESC system are operational post-repair, and clear any stored codes (10-15 minutes).
Step 5: Step 5: Conduct a road test under various driving conditions to ensure the stability control system is working effectively (15-20 minutes)
Step 5: Conduct a road test under various driving conditions to ensure the stability control system is working effectively (15-20 minutes).
Important Notes
- Always verify the repair with GeekOBD APP after completing diagnostic steps
- Clear codes and test drive to ensure the problem is resolved
- Address underlying causes to prevent code recurrence
Real Repair Case Studies
Case Study 1: Successful Repair of C0273 in a 2016 Chevrolet Equinox
Vehicle: 2016 Chevrolet Equinox, 75,000 miles
Problem: Customer reported the stability control warning light was on, and the vehicle felt unstable during turns.
Diagnosis: After scanning with GeekOBD APP, C0273 was confirmed. A visual inspection revealed a damaged wheel speed sensor.
Solution: Replaced the wheel speed sensor, cleared the codes, and performed a road test to verify the fix.
Cost: $250 (sensor $150, labor $100)
Result: The stability control system functioned correctly post-repair, and the warning light remained off.
Case Study 2: Wiring Issues Resolved in a 2017 GMC Terrain
Vehicle: 2017 GMC Terrain, 60,000 miles
Problem: Customer noticed the vehicle was skidding on wet roads, and the stability control warning light was illuminated.
Diagnosis: Using the GeekOBD APP, the C0273 code was identified. A thorough inspection revealed corroded wiring affecting the ESC system.
Solution: Repaired the wiring and ensured all connectors were secure. Cleared the codes and tested the vehicle.
Cost: $200 (wiring repair $100, labor $100)
Result: The vehicle regained stability and functioned normally after the repair.