C0299 2018 Chevrolet Silverado Code - Brake Booster Large Vacuum Leak Detected
Quick Answer
The brake booster vacuum sensor measures the vacuum in the brake booster assembly. Common causes include Vacuum leak at the brake booster, Faulty Brake Booster Vacuum Sensor, Brake Booster Vacuum Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C0299 2018 Chevrolet Silverado indicates Brake Booster Large Vacuum Leak Detected.
- Common causes
- Common causes include Vacuum leak at the brake booster, Faulty Brake Booster Vacuum Sensor, Brake Booster Vacuum Sensor harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C0299 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC C0299 2018 Chevrolet Silverado?
- Vacuum leak at the brake booster
- Faulty Brake Booster Vacuum Sensor
- Brake Booster Vacuum Sensor harness is open or shorted
- Brake Booster Vacuum Sensor circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C0299 2018 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0299 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C0299 2018 Chevrolet Silverado Code
What does the OBDII code C0299 mean for a 2018 Chevrolet Silverado?
C0299 indicates a large vacuum leak in the brake booster system, which can affect braking performance.
What are the symptoms of code C0299 in a 2018 Chevrolet Silverado?
Common symptoms include reduced braking assist, a hard brake pedal, longer stopping distances, and the illumination of the ABS or brake warning light.
What causes the C0299 code on a 2018 Chevrolet Silverado?
This code is typically caused by a vacuum leak in the brake booster or its vacuum supply line, a faulty check valve, or damage to the brake booster itself.
How can I diagnose the C0299 code on my 2018 Chevrolet Silverado?
Start by inspecting the vacuum hoses and connections for leaks or damage, test the brake booster for proper functioning, and check the vacuum supply from the engine.
Can I drive my 2018 Chevrolet Silverado with the C0299 code?
Driving with this code is not recommended because reduced braking assist can compromise safety and increase stopping distances.
What tools are needed to address the C0299 code?
You may need a vacuum gauge, a smoke machine for leak detection, basic hand tools, and a diagnostic scanner to confirm the code and clear it after repairs.
How much does it cost to fix the C0299 code on a 2018 Chevrolet Silverado?
Repair costs vary but typically range from $100 to $400 depending on whether the issue is a simple vacuum hose replacement or brake booster replacement.
How can I prevent the C0299 code from occurring again?
Regularly inspect the brake booster and vacuum lines for wear, replace damaged components promptly, and ensure proper engine maintenance.
Can a faulty check valve cause the C0299 code on my 2018 Chevrolet Silverado?
Yes, a malfunctioning brake booster check valve can disrupt vacuum flow and trigger the C0299 code.
Will clearing the C0299 code fix the issue on a 2018 Chevrolet Silverado?
Clearing the code will not fix the underlying problem. You must locate and repair the source of the vacuum leak to resolve the issue permanently.
Discuss the causes and fixes for C0299 2018 Chevrolet Silverado OBDII Code
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