C068F - Understanding Code C068F in 2015-2020 Chevrolet Silverado and GMC Sierra

Quick Answer

C068F means: C068F indicates a malfunction in the parking brake system.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with C068F? Immediate attention is recommended to prevent safety issues.

Common Questions

What does C068F mean and how does it affect my car?

C068F indicates a fault in your vehicle's parking brake system. This could mean that your parking brake might not hold effectively, posing a safety risk. If you notice the warning light on your dashboard or experience any unusual behavior when using the parking brake, it's essential to address this issue as it can affect vehicle safety and performance.

What are the most common causes of C068F and how much does it cost to fix?

Common causes of the C068F code include a faulty parking brake switch, damaged wiring, or a malfunctioning electronic parking brake module. Repair costs can range from $100 for wiring repairs to $600 for replacing the electronic module. The exact cost will depend on your vehicle's make and model and the extent of the repairs needed.

Can I drive my car with C068F or should I stop immediately?

It's advisable to avoid driving your vehicle until the C068F code is addressed. The parking brake may not function correctly, which could lead to your vehicle rolling unexpectedly, especially on inclines. For your safety, have the issue diagnosed and repaired as soon as possible.

How can I diagnose C068F myself using GeekOBD APP?

To diagnose C068F with the GeekOBD APP, first connect the app to your vehicle’s OBD2 port. Use the app to scan for codes and review the freeze frame data. This information will help you identify when and how the issue occurred, aiding in your troubleshooting efforts. You can also monitor live data related to the parking brake system for any irregularities.

What vehicles are most commonly affected by C068F?

The C068F code is frequently seen in 2015-2020 models of Chevrolet Silverado and GMC Sierra. These vehicles have been reported to have issues with their parking brake systems, making it essential for owners to stay vigilant for symptoms and promptly address any warning lights.

How can I prevent C068F from happening again?

To prevent the C068F code from recurring, ensure regular maintenance on your vehicle's braking system. This includes checking the parking brake components for wear, inspecting wiring for damage, and keeping the parking brake clean and free from moisture. Regular inspections and timely repairs can significantly reduce the risk of future issues.

What is C068F?

The diagnostic trouble code (DTC) C068F refers to an issue with the vehicle's electrical parking brake system, specifically indicating a malfunction in the parking brake switch or its circuit. This code is commonly found in vehicles like the 2015-2020 Chevrolet Silverado and GMC Sierra models. When your vehicle's computer detects an irregularity in the parking brake system, it triggers the C068F code. Drivers may notice that the parking brake warning light remains illuminated on the dashboard. This can lead to safety risks, as an improperly functioning parking brake may not hold the vehicle in place on inclines. In some cases, the vehicle may also exhibit symptoms like unusual noises when engaging or disengaging the brake. Ignoring this code can result in further damage to the braking system, increase repair costs, and compromise vehicle safety. It's crucial to address this issue promptly to ensure that your parking brake functions correctly and securely holds your vehicle when parked.

System: C - Chassis (ABS, Steering, Suspension)

Symptoms

Common symptoms when C068F is present:

  • The parking brake warning light stays on constantly, indicating a fault in the system.
  • Drivers may experience difficulty in engaging or disengaging the parking brake, often accompanied by grinding noises.
  • The vehicle may roll unexpectedly when parked, especially on inclines, due to a failure in the brake system.
  • Unusual vibrations felt in the brake pedal when applying the parking brake.
  • Inconsistent braking performance when the parking brake is engaged.

Possible Causes

Most common causes of C068F (ordered by frequency):

  1. The most common cause is a faulty parking brake switch, with about 60% likelihood. This can be due to wear and tear or exposure to moisture.
  2. Another common cause is damaged wiring or connectors in the parking brake circuit, which can lead to intermittent signals.
  3. A less common cause could be a malfunctioning Electronic Parking Brake Module (EPBM), which requires advanced diagnostic testing.
  4. In rare cases, a malfunctioning ABS module can trigger the C068F code, which often requires professional attention.
  5. Corrosion at the terminals of the parking brake system can also lead to connection issues, though this is less frequently encountered.

C068F Repair Costs

Cost Breakdown by Repair Type

Parking Brake Switch Replacement

Replacing a faulty parking brake switch to restore functionality.

  • Total: $150 - $300
  • Success rate: 90%
Wiring Repair

Repairing or replacing damaged wiring in the parking brake circuit.

  • Total: $100 - $250
  • Success rate: 85%
Electronic Parking Brake Module Replacement

Replacing the faulty EPBM if it is the source of the issue.

  • Total: $300 - $600
  • Success rate: 95%
Money-Saving Tips for C068F
  • 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 C068F Diagnosis Process

Follow these systematic steps to accurately diagnose C068F. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for damaged wiring, loose connections, or signs of corrosion in the parking brake circuit (5-10 minutes)

Step 1: Initial visual inspection - Check for damaged wiring, loose connections, or signs of corrosion in the parking brake circuit (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all existing codes and review freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all existing codes and review freeze frame data to understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter to test the parking brake switch and inspect the integrity of the circuit (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the parking brake switch and inspect the integrity of the circuit (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - After performing repairs, verify the proper operation of the parking brake system and clear any error codes (10-15 minutes)

Step 4: System function test - After performing repairs, verify the proper operation of the parking brake system and clear any error codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under different conditions to ensure the parking brake functions correctly and securely (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under different conditions to ensure the parking brake functions correctly and securely (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

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: Parking Brake Switch Replacement on 2017 Chevrolet Silverado

Vehicle: 2017 Chevrolet Silverado, 45,000 miles

Problem: Customer reported that the parking brake warning light was illuminated constantly, and the brake did not engage securely.

Diagnosis: Initial inspection revealed a malfunctioning parking brake switch. Scanning the vehicle confirmed C068F.

Solution: Replaced the faulty parking brake switch and cleared the DTC.

Cost: $200 (Parts: $50, Labor: $150)

Result: The parking brake warning light turned off, and the system functioned correctly after the repair.

Case Study 2: Wiring Repair on 2018 GMC Sierra

Vehicle: 2018 GMC Sierra, 30,000 miles

Problem: Owner experienced grinding noises when engaging the parking brake, with the C068F code present.

Diagnosis: Inspection found corroded wiring leading to the parking brake switch.

Solution: Repaired the damaged wiring and cleaned the connectors.

Cost: $150 (Parts: $20, Labor: $130)

Result: Post-repair, the parking brake engaged smoothly without noise, and the C068F code did not return.

Diagnose C068F

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: C068F
System: Chassis (ABS, Steering, Suspension)
Severity: HIGH
Category: Chassis Codes