Quick Answer
C0199 means: DTC C0199 signifies a brake system malfunction related to the brake pressure sensor or ABS module.
Can I drive with C0199? Address immediately to ensure safe vehicle operation.
Common Questions
What does C0199 mean and how does it affect my car?
C0199 indicates a brake system malfunction, which can lead to dangerous driving conditions if not addressed. It affects the vehicle's braking efficiency and safety features.
What are the most common causes of C0199 and how much does it cost to fix?
The most common causes include a faulty brake pressure sensor and ABS module failures, with repair costs ranging from $150 to $1200 depending on the specific problem.
Can I drive my car with C0199 or should I stop immediately?
It is not advised to drive with C0199 as it poses serious safety risks. Immediate attention is crucial to ensure your vehicle remains safe to operate.
How can I diagnose C0199 myself using GeekOBD APP?
You can use the GeekOBD APP to run diagnostics, check for codes, and monitor sensor data. Follow the app instructions to identify any brake system issues.
What vehicles are most commonly affected by C0199?
C0199 is frequently seen in 2015-2019 Chevrolet Silverado, GMC Sierra, and other models within this range. Always check for manufacturer recalls or TSBs.
How can I prevent C0199 from happening again?
Regular maintenance, including brake fluid checks and timely sensor replacements, can help prevent recurring issues associated with DTC C0199.
What is C0199?
DTC C0199 indicates a malfunction within the brake system, specifically related to the brake pressure sensor or the anti-lock brake system (ABS) module. This code can often be seen in various Chevrolet and GMC vehicles, particularly from the model years 2015 to 2019. When this code is present, it typically means that the vehicle's onboard computer has detected an inconsistency in the brake system's pressure readings. This can lead to a variety of issues, including compromised braking performance and reduced safety features such as ABS functionality. Ignoring this code can result in longer stopping distances and potential brake failure, making it crucial to address as soon as possible. The symptoms often manifest as a warning light on the dashboard, and drivers may notice that the brake pedal feels different, often becoming harder to press or exhibiting unusual feedback during operation. Understanding the implications of DTC C0199 is vital for maintaining vehicle safety and should prompt immediate diagnostic action.
System: C - Chassis (ABS, Steering, Suspension)
Symptoms
Common symptoms when C0199 is present:
- The brake warning light remains illuminated on the dashboard, indicating a potential issue with the brake system.
- Drivers may experience a harder brake pedal feel, which can lead to difficulty during braking and may cause panic in emergency situations.
- A noticeable reduction in braking efficiency, with longer stopping distances and delayed responses from the brake system.
- Unusual noises during braking, such as grinding or squealing, which can indicate underlying issues related to the brake components.
- In some cases, the ABS may become non-functional, leading to a loss of advanced braking capabilities that can help prevent wheel lock-up.
Possible Causes
Most common causes of C0199 (ordered by frequency):
- A faulty brake pressure sensor is the most common cause, accounting for approximately 60% of cases. This sensor can fail due to electrical issues or physical damage.
- Issues with the ABS module, which manages brake pressure and ABS functionality, can also trigger this code. This can result from software glitches or hardware malfunctions.
- Brake fluid leaks or contamination can lead to inaccurate pressure readings, contributing to the appearance of DTC C0199. Regularly check brake fluid levels and quality.
- Less common causes include wiring issues or corrosion in the brake system's electrical connectors, which can disrupt communication between components.
- Rarely, issues with the vehicle's ECM (Engine Control Module) can misinterpret sensor data, leading to false codes being thrown.
C0199 Repair Costs
Cost Breakdown by Repair Type
Brake Pressure Sensor Replacement
Replacing a faulty brake pressure sensor is often the first step in addressing DTC C0199.
- Total: $150 - $300
- Success rate: 85%
ABS Module Repair or Replacement
If the ABS module is found to be faulty, it may need to be repaired or replaced.
- Total: $500 - $1200
- Success rate: 75%
Money-Saving Tips for C0199
- 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 C0199 Diagnosis Process
Follow these systematic steps to accurately diagnose C0199. Each step builds on the previous one to ensure accurate diagnosis.
Step 1: Step 1: Initial visual inspection - Check the brake system for obvious signs like damaged wiring, loose connections, or leaks around the brake fluid reservoir and lines (5-10 minutes)
Step 1: Initial visual inspection - Check the brake system for obvious signs like damaged wiring, loose connections, or leaks around the brake fluid reservoir and lines (5-10 minutes).
Step 2: Step 2: OBD2 scan with GeekOBD APP - Use the app to retrieve all codes and freeze frame data to understand the fault context and any related issues (10-15 minutes)
Step 2: OBD2 scan with GeekOBD APP - Use the app to retrieve all codes and freeze frame data to understand the fault context and any related issues (10-15 minutes).
Step 3: Step 3: Component testing - Use a multimeter to test the brake pressure sensor and inspect the ABS module for any faults or irregularities (20-30 minutes)
Step 3: Component testing - Use a multimeter to test the brake pressure sensor and inspect the ABS module for any faults or irregularities (20-30 minutes).
Step 4: Step 4: System function test - After repairs, verify the proper operation of the brake system and clear codes using the GeekOBD APP (10-15 minutes)
Step 4: System function test - After repairs, verify the proper operation of the brake system and clear codes using the GeekOBD APP (10-15 minutes).
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm that the brake system is functioning correctly and that the C0199 code does not reappear (15-20 minutes)
Step 5: Road test verification - Drive the vehicle under various conditions to confirm that the brake system is functioning correctly and that the C0199 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: Brake Pressure Sensor Replacement on a 2017 Chevrolet Silverado
Vehicle: 2017 Chevrolet Silverado 1500, 45,000 miles
Problem: Customer reported brake warning light and hard brake pedal.
Diagnosis: Visual inspection revealed a faulty brake pressure sensor. OBD2 scan confirmed C0199.
Solution: Replaced the brake pressure sensor and performed a system check.
Cost: $200 (sensor: $150, labor: $50)
Result: Brake system returned to normal operation; warning light cleared.
Case Study 2: ABS Module Replacement on a 2018 GMC Sierra
Vehicle: 2018 GMC Sierra 1500, 30,000 miles
Problem: Customer experienced unusual braking behavior and ABS malfunction warning.
Diagnosis: Diagnostic scan revealed C0199 and confirmed ABS module failure.
Solution: Replaced ABS module and recalibrated the system.
Cost: $900 (module: $700, labor: $200)
Result: Vehicle passed road test; ABS functionality restored.