C0498 - Common Code in 2010-2016 Chevrolet Silverado and GMC Sierra

Quick Answer

C0498 means: DTC C0498 indicates a malfunction in the brake pressure sensor circuit, affecting the vehicle's braking system.

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

Can I drive with C0498? Immediate attention is required to avoid potential brake failure.

Common Questions

What does C0498 mean and how does it affect my car?

DTC C0498 indicates a fault in your brake pressure sensor circuit, which can severely impact your vehicle's braking performance. If this code appears, it may lead to the ABS not functioning properly, increasing the risk of brake failure during critical moments.

What are the most common causes of C0498 and how much does it cost to fix?

The most common cause of C0498 is a faulty brake pressure sensor, which can cost between $150 and $300 to replace. Other causes include damaged wiring, which can range from $50 to $150 to repair. It's essential to diagnose the exact source to avoid unnecessary expenses.

Can I drive my car with C0498 or should I stop immediately?

Driving with DTC C0498 is not recommended as it indicates a potential brake system malfunction. It's crucial to address this issue before continuing to drive, as it may lead to decreased braking efficiency and increased stopping distances.

How can I diagnose C0498 myself using GeekOBD APP?

To diagnose C0498 with the GeekOBD APP, connect the OBD-II scanner and retrieve the DTCs. Check freeze frame data for additional context and perform live data monitoring to observe the brake pressure sensor's readings to see if they fall within expected parameters.

What vehicles are most commonly affected by C0498?

DTC C0498 is commonly seen in 2010-2016 Chevrolet Silverado and GMC Sierra models. Other GM vehicles may also exhibit this code, especially those equipped with similar brake systems. Always check for any manufacturer recalls or technical service bulletins (TSBs) related to the braking system.

How can I prevent C0498 from happening again?

Regular vehicle maintenance, including brake system inspections, can help prevent DTC C0498. Ensure all connectors and wiring are sealed and free from corrosion, and consider routine checks of the brake fluid to maintain optimal performance.

What is C0498?

DTC C0498 is a Diagnostic Trouble Code that signifies an issue with the vehicle's brake system, specifically related to the brake pressure sensor circuit. This code commonly appears in various GM vehicles, especially in models like the 2010-2016 Chevrolet Silverado and GMC Sierra. When this code is triggered, it indicates that the brake pressure sensor is not operating as it should, which can lead to issues with the anti-lock braking system (ABS) and electronic stability control (ESC). From a technical standpoint, the brake pressure sensor is crucial for providing real-time data about the brake fluid pressure within the system. If this sensor malfunctions, it may lead to an inability of the ABS to engage effectively, increasing the risk of brake failure under certain conditions. In practical terms, car owners might notice symptoms like the ABS warning light illuminating on the dashboard, which should prompt an immediate investigation. Ignoring this code can lead to serious safety issues, including compromised braking performance. Therefore, understanding DTC C0498 is vital for both safety and vehicle performance, and prompt diagnosis and repair are highly recommended.

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

Symptoms

Common symptoms when C0498 is present:

  • The ABS warning light stays on continuously, indicating a potential issue in the braking system.
  • Reduced braking efficiency during sudden stops, which can feel like the brakes are not responding as quickly as they should.
  • Increased stopping distance, leading to a noticeable change in vehicle handling, especially under heavy braking conditions.
  • Unusual noises from the brake system, such as grinding or squeaking, which may suggest additional underlying issues.
  • Dashboard displays inconsistent brake pressure readings or warning messages related to brake performance.

Possible Causes

Most common causes of C0498 (ordered by frequency):

  1. The most common cause of DTC C0498 is a faulty brake pressure sensor, which accounts for approximately 60% of cases. This sensor can fail due to wear and tear, moisture intrusion, or electrical issues.
  2. Another common cause is damaged wiring or connectors associated with the brake pressure sensor, which can lead to intermittent signals or complete loss of functionality.
  3. Corrosion at the connectors or within the wiring harness can also contribute to this code; regular inspections can help prevent this.
  4. A less common but serious cause includes a malfunctioning ABS module, which may require more extensive diagnostics and repairs.
  5. In rare cases, a software issue within the vehicle's onboard computer system can trigger DTC C0498. This usually requires reprogramming or an update from the manufacturer.

C0498 Repair Costs

Cost Breakdown by Repair Type

Brake Pressure Sensor Replacement

Replacing the faulty brake pressure sensor with an OEM equivalent.

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

Repairing or replacing damaged wiring or connectors leading to the brake pressure sensor.

  • Total: $50 - $150
  • Success rate: 80%
Money-Saving Tips for C0498
  • 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 C0498 Diagnosis Process

Follow these systematic steps to accurately diagnose C0498. 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).

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 codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and 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 brake pressure sensor's voltage and ground signals (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the brake pressure sensor's voltage and ground signals (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 - Verify proper operation of the brake system after repairs and clear codes (10-15 minutes)

Step 4: System function test - Verify proper operation of the brake system after repairs and clear 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 various conditions to confirm repair success and monitor for any reoccurrence of the 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 code (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: Brake Pressure Sensor Replacement on 2015 Chevrolet Silverado

Vehicle: 2015 Chevrolet Silverado, 75,000 miles

Problem: Customer reported ABS warning light was illuminated and experienced longer stopping distances.

Diagnosis: Diagnostic scan revealed code C0498. Visual inspection showed a corroded brake pressure sensor connector.

Solution: Replaced the brake pressure sensor and repaired the wiring connector.

Cost: $250 (sensor $200, labor $50)

Result: ABS light turned off, and the vehicle's braking performance returned to normal.

Case Study 2: Wiring Repair for C0498 on 2013 GMC Sierra

Vehicle: 2013 GMC Sierra, 60,000 miles

Problem: Owner noticed ABS light on and reported unusual brake sounds.

Diagnosis: Found damaged wiring harness leading to the brake pressure sensor.

Solution: Repaired the wiring and cleared the codes.

Cost: $100 (labor $50, wiring $50)

Result: ABS light went off, and brake operation was restored without issues.

Diagnose C0498

Use GeekOBD APP for professional diagnosis!

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Code Information

Code: C0498
System: Chassis (ABS, Steering, Suspension)
Severity: HIGH
Category: Chassis Codes