Quick Answer
C0264 means: DTC C0264 indicates a malfunction in the electronic brake control module.
Can I drive with C0264? Immediate attention is advised to ensure safe braking performance.
Common Questions
What does C0264 mean and how does it affect my car?
DTC C0264 indicates a problem with the electronic brake control module, which is crucial for your vehicle's braking system. This issue can lead to decreased braking performance and increased safety risks. Ignoring this code may result in brake failure, so it's important to address it as soon as possible.
What are the most common causes of C0264 and how much does it cost to fix?
Common causes of C0264 include a faulty electronic brake control module, damaged wiring, and brake fluid contamination. Repair costs can range from $100 for wiring repairs to $800 for EBCM replacement, depending on the severity of the issue.
Can I drive my car with C0264 or should I stop immediately?
Driving with C0264 can be dangerous as it indicates a potential failure in your braking system. It is advisable to stop driving and have the vehicle inspected immediately to avoid accidents.
How can I diagnose C0264 myself using GeekOBD APP?
To diagnose C0264 with the GeekOBD APP, connect the device to your vehicle's OBD2 port, run a full scan to retrieve codes, and review the freeze frame data to understand the context of the fault. Look for symptoms like warning lights or unusual brake behavior.
What vehicles are most commonly affected by C0264?
DTC C0264 is frequently reported in models like the 2005-2010 Chevrolet Equinox and GMC Terrain, particularly those with high mileage or older components. Be sure to check for any recalls or technical service bulletins related to the braking system.
How can I prevent C0264 from happening again?
To prevent C0264, regularly maintain your braking system by checking brake fluid levels, replacing worn brake components, and ensuring connections are free of corrosion. Routine inspections can catch issues before they lead to DTC codes.
What is C0264?
DTC C0264 is a diagnostic trouble code that indicates a malfunction in the vehicle's electronic brake control module (EBCM). This code is commonly found in vehicles like the 2005-2010 Chevrolet Equinox and GMC Terrain. When the EBCM detects an issue with the brake system, it triggers this code to alert the driver. The EBCM is responsible for monitoring and controlling the vehicle's anti-lock braking system (ABS) and traction control. Symptoms of this code can include a warning light on the dashboard, decreased braking performance, or erratic braking behavior. If left unaddressed, a malfunctioning EBCM can lead to significant safety concerns, including the potential for brake failure. Therefore, it's crucial for vehicle owners to understand what this code means and how it can impact their vehicle's performance and safety. Regular maintenance, including checking brake fluid levels and ensuring that all brake components are functioning correctly, can help prevent issues like C0264 from occurring. If this code appears, it’s advisable to consult a certified technician to diagnose and repair the issue promptly, ensuring that your vehicle remains safe on the road.
System: C - Chassis (ABS, Steering, Suspension)
Symptoms
Common symptoms when C0264 is present:
- The brake warning light illuminates on the dashboard, indicating a problem with the braking system that requires immediate attention.
- Drivers may experience a soft or spongy brake pedal feel, making it difficult to engage the brakes effectively during normal driving.
- In some cases, the vehicle may experience erratic braking behavior, such as sudden deceleration or unresponsive brakes, posing significant safety risks.
- Some drivers report a decrease in overall braking efficiency, leading to longer stopping distances and potential accidents.
- Additionally, the ABS may become inoperative, causing the system to fail to prevent wheel lockup during hard braking.
Possible Causes
Most common causes of C0264 (ordered by frequency):
- The most common cause of DTC C0264 is a faulty electronic brake control module, which has a likelihood of about 60%. This can result from age, wear, or electrical issues.
- Another frequent cause is damaged wiring or connectors in the brake control system, accounting for approximately 25% of cases. Corrosion or frayed wires can disrupt communication.
- Brake fluid contamination can also trigger this code, as it affects the hydraulic system's functionality. Regularly checking and changing brake fluid can prevent this.
- Less commonly, issues with the vehicle's ABS sensors may cause C0264. If these sensors are malfunctioning, they can send incorrect signals to the EBCM.
- A rare but serious cause could be internal failures within the hydraulic control unit, which may require complete replacement of the ABS module.
C0264 Repair Costs
Cost Breakdown by Repair Type
EBCM Replacement
Replacing the faulty electronic brake control module with a new OEM unit.
- Total: $400 - $800
- Success rate: 85%
Wiring Repair
Repairing damaged wiring or connectors in the brake control system.
- Total: $100 - $300
- Success rate: 75%
Money-Saving Tips for C0264
- 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 C0264 Diagnosis Process
Follow these systematic steps to accurately diagnose C0264. Each step builds on the previous one to ensure accurate diagnosis.
Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion
Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion. This process usually takes 5-10 minutes.
Step 2: Step 2: OBD2 scan using the GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context better
Step 2: OBD2 scan using the GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context better. This step typically takes 10-15 minutes.
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the EBCM and associated wiring for continuity and proper voltage
Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the EBCM and associated wiring for continuity and proper voltage. Allocate around 20-30 minutes for this.
Step 4: Step 4: System function test - After repairs, verify the proper operation of the braking system and clear any fault codes
Step 4: System function test - After repairs, verify the proper operation of the braking system and clear any fault codes. This step usually takes about 10-15 minutes.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm the success of the repair
Step 5: Road test verification - Drive the vehicle under various conditions to confirm the success of the repair. This step may take 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: EBCM Replacement on 2008 Chevrolet Equinox
Vehicle: 2008 Chevrolet Equinox, 85,000 miles
Problem: Customer reported a persistent ABS warning light and soft brake pedal.
Diagnosis: After scanning the OBD2 system, DTC C0264 was retrieved. Visual inspection revealed corroded wiring to the EBCM.
Solution: Replaced the EBCM and repaired the damaged wiring. Updated brake fluid was also added.
Cost: $650 (parts: $500 for EBCM, $150 for labor)
Result: The ABS warning light was cleared, and the braking system functioned properly during road tests.
Case Study 2: Wiring Repair on 2007 GMC Terrain
Vehicle: 2007 GMC Terrain, 95,000 miles
Problem: Customer experienced erratic braking and dashboard warning lights.
Diagnosis: DTC C0264 was confirmed; a visual inspection showed frayed wiring near the EBCM.
Solution: Repaired the damaged wiring connections and ensured all connectors were secure.
Cost: $200 (labor and materials included)
Result: The customer reported improved braking performance and no further warning lights.