Quick Answer
C0168 means: The C0168 code indicates a malfunction in the traction control circuit, often linked to your vehicle's ABS system.
Can I drive with C0168? Address this issue promptly to maintain vehicle safety and performance.
Common Questions
What does C0168 mean and how does it affect my car?
The C0168 code indicates a traction control circuit malfunction. This affects your vehicle's ability to maintain grip on the road, especially in slippery conditions, which can lead to safety issues. If this code appears, it’s crucial to have it diagnosed and repaired promptly to ensure your vehicle remains stable and safe to drive.
What are the most common causes of C0168 and how much does it cost to fix?
Common causes of the C0168 code include faulty wheel speed sensors, damaged wiring, or malfunctioning ABS modules. Repair costs can vary, with wheel speed sensor replacement costing between $150 and $300, while ABS module replacement may reach $600. It's essential to get a proper diagnosis to determine the specific issue affecting your vehicle.
Can I drive my car with C0168 or should I stop immediately?
While you can drive with the C0168 code, it is not advisable. The traction control system may not function correctly, which could compromise your vehicle's handling and safety, especially in adverse weather conditions. It's best to have the issue addressed as soon as possible.
How can I diagnose C0168 myself using GeekOBD APP?
Using the GeekOBD APP, you can begin by connecting it to your vehicle's OBD2 port to retrieve diagnostic codes. The app will display the C0168 code along with any other codes present, allowing you to review freeze frame data for context. From there, focus on the traction control system components for further testing and inspection.
What vehicles are most commonly affected by C0168?
The C0168 code is commonly seen in 2014-2019 Chevrolet Silverado models, but it can also affect other vehicles with similar traction control systems, particularly from GM brands. Always check for any recalls or technical service bulletins (TSBs) related to these models to stay informed about potential issues.
How can I prevent C0168 from happening again?
To prevent the C0168 code from recurring, ensure that your vehicle undergoes regular maintenance checks, particularly for the ABS and traction control systems. Inspect wiring and connectors for wear and tear, and replace any damaged components promptly. Keeping your tires in good condition and properly inflated can also help maintain traction and system functionality.
What is C0168?
The diagnostic trouble code (DTC) C0168 indicates a traction control circuit malfunction, primarily related to the vehicle's ABS (Anti-lock Braking System) or traction control system. This code is prevalent in various models, especially the 2014-2019 Chevrolet Silverado, and signifies that the vehicle's onboard computer has detected an issue within the traction control system's circuitry. When this code triggers, it often results in reduced traction control functionality, which can affect vehicle stability during acceleration or in slippery conditions. Drivers may notice that the traction control warning light illuminates on the dashboard, and the vehicle may behave unpredictably, especially in wet or icy conditions. The traction control system is essential for maintaining grip on the road and preventing wheel spin. If the C0168 code is present, it is crucial to address the issue promptly to ensure safety and optimal vehicle performance. Ignoring this code could lead to further complications, such as increased wear on tires and brakes, and could compromise overall vehicle handling. Regular maintenance and prompt diagnosis of any warning codes can help prevent more severe issues down the line.
System: C - Chassis (ABS, Steering, Suspension)
Symptoms
Common symptoms when C0168 is present:
- The traction control light stays illuminated on the dashboard, indicating a malfunction in the system.
- Drivers may experience a loss of traction during acceleration, particularly in slippery conditions, leading to potential safety hazards.
- There may be a noticeable change in braking performance, with the vehicle feeling less stable during hard stops or when navigating turns.
- In some cases, the engine may hesitate or misfire, particularly when the traction control engages during acceleration.
- Increased tire wear may occur due to improper traction management, leading to costly tire replacements.
Possible Causes
Most common causes of C0168 (ordered by frequency):
- The most common cause of C0168 is a faulty wheel speed sensor, which can be responsible for 40% of occurrences. This sensor provides critical data to the traction control system.
- Another likely cause is damaged wiring or connectors within the traction control circuit, which can lead to intermittent issues or complete failure of the system.
- A malfunctioning ABS control module, which manages the traction control system, can also trigger the C0168 code. Regular inspections can help prevent this.
- Less commonly, issues could arise from software glitches within the vehicle's ECU (engine control unit), requiring a software update or reset.
- In rare cases, hydraulic brake system failures can cause the traction control system to malfunction, necessitating extensive repairs.
C0168 Repair Costs
Cost Breakdown by Repair Type
Wheel Speed Sensor Replacement
Replacing a faulty wheel speed sensor to restore proper traction control functionality.
- Total: $150 - $300
- Success rate: 90%
Wiring Repair
Repairing damaged wiring or connectors to ensure a proper connection.
- Total: $100 - $200
- Success rate: 85%
ABS Control Module Replacement
Replacing a malfunctioning ABS control module if diagnostics confirm it's the root cause.
- Total: $300 - $600
- Success rate: 80%
Money-Saving Tips for C0168
- 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 C0168 Diagnosis Process
Follow these systematic steps to accurately diagnose C0168. 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 around the ABS module and wheel speed sensors (5-10 minutes)
Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion around the ABS module and wheel speed sensors (5-10 minutes).
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context and whether other codes are present (10-15 minutes)
Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context and whether other codes are present (10-15 minutes).
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components like wheel speed sensors and ABS module (20-30 minutes)
Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components like wheel speed sensors and ABS module (20-30 minutes).
Step 4: Step 4: System function test - Verify proper operation after repairs, ensuring the traction control system responds correctly during a controlled test (10-15 minutes)
Step 4: System function test - Verify proper operation after repairs, ensuring the traction control system responds correctly during a controlled test (10-15 minutes).
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and monitor for any reoccurrence of the C0168 code (15-20 minutes)
Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and monitor for any reoccurrence of the C0168 code (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: Resolving Traction Control Issues in a 2017 Chevrolet Silverado
Vehicle: 2017 Chevrolet Silverado, 50,000 miles
Problem: Customer reported the traction control light was on, and the vehicle felt unstable during acceleration.
Diagnosis: Initial diagnostics revealed the C0168 code. A visual inspection indicated a damaged wheel speed sensor.
Solution: Replaced the defective wheel speed sensor and cleared the codes. The traction control system operated correctly after repairs.
Cost: $200 (sensor cost: $150, labor: $50)
Result: Customer reported improved stability and no reoccurrence of the traction control warning light.
Case Study 2: Repairing Wiring Issues in a 2018 GMC Sierra
Vehicle: 2018 GMC Sierra, 30,000 miles
Problem: The owner experienced intermittent traction control activation, leading to erratic vehicle behavior.
Diagnosis: Diagnostic scan confirmed the C0168 code. Further inspection revealed frayed wiring near the ABS module.
Solution: Repaired the damaged wiring and ensured all connections were secure. The traction control system functioned properly post-repair.
Cost: $150 (wiring repair: $100, labor: $50)
Result: The vehicle performed normally, and the traction control system operated without issues.