Quick Answer
C0E85 means: C0E85 indicates a malfunction in the Advanced Collision Avoidance System.
Can I drive with C0E85? Immediate attention required to ensure safety features are functional.
Common Questions
What does C0E85 mean and how does it affect my car?
The C0E85 code indicates a malfunction in your vehicle's Advanced Collision Avoidance System, which is crucial for detecting potential collisions. If this system is not functioning correctly, it could lead to accidents due to a lack of automatic braking or collision warnings.
What are the most common causes of C0E85 and how much does it cost to fix?
Common causes include faulty sensors, wiring issues, or control module problems. Repair costs can range from $100 for wiring repairs to $400 for sensor replacements, depending on the severity.
Can I drive my car with C0E85 or should I stop immediately?
You should not drive your car with the C0E85 code active, as it indicates a failure in safety systems. Continuing to drive can increase the risk of an accident.
How can I diagnose C0E85 myself using GeekOBD APP?
To diagnose C0E85 with the GeekOBD APP, connect the app to your vehicle's OBD2 port, scan for codes, and review the freeze frame data to understand the conditions under which the fault occurred.
What vehicles are most commonly affected by C0E85?
The C0E85 code is commonly seen in the 2015-2020 Ford F-150, and other models equipped with advanced safety features. Always check for recalls or technical service bulletins related to collision avoidance systems.
How can I prevent C0E85 from happening again?
Regular maintenance, including inspections of electrical systems and sensors, can help prevent the occurrence of C0E85. Additionally, keeping your vehicle clean and free of debris can help maintain sensor functionality.
What is C0E85?
The DTC C0E85 trouble code is associated with a malfunction in the vehicle's Advanced Collision Avoidance System, primarily found in certain models of the Ford F-150 manufactured between 2015 and 2020. This code indicates that the system is unable to correctly interpret signals from sensors or may have a fault in its internal components. Common symptoms can include the illumination of warning lights on the dashboard, particularly the 'Collision Warning' light. When this code appears, it can lead to significant safety concerns as the vehicle's ability to detect and respond to potential collisions may be compromised. Real-world implications of ignoring this code can result in increased risk during driving, particularly in high-traffic situations or adverse weather conditions. Drivers may experience unexpected braking or acceleration, which can be dangerous. Therefore, addressing the C0E85 code promptly is crucial for maintaining the vehicle's safety features.
System: C - Chassis (ABS, Steering, Suspension)
Symptoms
Common symptoms when C0E85 is present:
- The check engine light stays on constantly, signaling an underlying issue that needs immediate attention.
- You may notice erratic behavior from the vehicle, such as sudden braking or acceleration without driver input.
- Drivers often report a decrease in fuel economy, approximately 10-15%, as the vehicle may engage safety systems more frequently.
- The collision warning light may blink or stay illuminated, indicating that the system is actively detecting a fault.
- In some cases, the vehicle may experience difficulty in engaging cruise control, which can be frustrating during long drives.
Possible Causes
Most common causes of C0E85 (ordered by frequency):
- The most common cause of the C0E85 code is a faulty sensor in the collision avoidance system, which occurs in about 60% of cases. These sensors can fail due to moisture ingress or physical damage.
- Another potential cause is wiring issues, such as damaged or corroded connectors, which can lead to poor signal transmission and is seen in roughly 25% of cases.
- A malfunctioning control module can also trigger this code, though this is less common, accounting for about 10%. Regular inspection and maintenance can help prevent this.
- Less common but serious causes include software faults in the vehicle's onboard systems, which may require a dealer-level reprogramming.
- In rare cases, a complete system failure may occur due to a manufacturing defect, but this is typically addressed under warranty.
C0E85 Repair Costs
Cost Breakdown by Repair Type
Sensor Replacement
Replacing a faulty collision sensor to restore system functionality.
- Total: $150 - $400
- Success rate: 85%
Wiring Repair
Repairing or replacing damaged wiring and connectors.
- Total: $100 - $250
- Success rate: 90%
Module Reprogramming
Reprogramming the control module to fix software issues.
- Total: $75 - $200
- Success rate: 60%
Money-Saving Tips for C0E85
- 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 C0E85 Diagnosis Process
Follow these systematic steps to accurately diagnose C0E85. 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 (5-10 minutes)
Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).
Step 2: Step 2: OBD2 scan using a reliable tool like the GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)
Step 2: OBD2 scan using a reliable tool like the GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes).
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components, such as sensors and wiring (20-30 minutes)
Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components, such as sensors and wiring (20-30 minutes).
Step 4: Step 4: System function test - Verify the proper operation of the collision avoidance system after repairs and clear codes (10-15 minutes)
Step 4: System function test - Verify the proper operation of the collision avoidance system after repairs and clear codes (10-15 minutes).
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure the code does not reappear (15-20 minutes)
Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure the code does not reappear (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: Collision Sensor Replacement in 2017 Ford F-150
Vehicle: 2017 Ford F-150, 50,000 miles
Problem: Customer reported the collision warning light was on and the vehicle had erratic braking behavior.
Diagnosis: Diagnostic scans revealed the C0E85 code. A visual inspection found a damaged front collision sensor.
Solution: Replaced the faulty collision sensor and cleared the diagnostic codes.
Cost: $350 (sensor $250, labor $100)
Result: After replacement, the system functioned correctly, and the customer reported no further issues.
Case Study 2: Wiring Repair for 2018 Ford Explorer
Vehicle: 2018 Ford Explorer, 30,000 miles
Problem: Vehicle was showing C0E85 code along with the collision avoidance system malfunctioning.
Diagnosis: Inspection revealed a corroded connector in the wiring harness.
Solution: Repaired the wiring harness and secured all connections.
Cost: $150 (labor $100, parts $50)
Result: The system was fully restored, and the customer was satisfied with the repair.