P0299 2014 Chevrolet Silverado Code - Engine Underboost
Quick Answer
The Engine Control Module (ECM) uses the Manifold Absolute Pressure (MAP) sensor input and turbocharger actuator output to control the amount of engine induction system boost pressure. Common causes include Faulty Turbocharger Vane Position Actuator, Air leaks between the turbocharger and the intake air flow valve, Airflow restrictions in air ducts or air filter. 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
- P0299 2014 Chevrolet Silverado indicates Engine Underboost.
- Common causes
- Common causes include Faulty Turbocharger Vane Position Actuator, Air leaks between the turbocharger and the intake air flow valve, Airflow restrictions in air ducts or air filter.
- 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 P0299 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0299 2014 Chevrolet Silverado?
- Faulty Turbocharger Vane Position Actuator
- Air leaks between the turbocharger and the intake air flow valve
- Airflow restrictions in air ducts or air filter
- Ice or debris in the induction system
- Leaks at the Positive Crankcase Ventilation (PCV) system
- Faulty Turbocharger
How to Fix the DTC P0299 2014 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 P0299 2014 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.
Need more information about the P0299 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P0299 2014 Chevrolet Silverado Code
1. What does the OBDII code P0299 mean on a 2014 Chevrolet Silverado?
P0299 indicates that the engine control module (ECM) has detected lower-than-expected boost pressure from the turbocharger or supercharger system.
2. What are the common symptoms of a P0299 code in a 2014 Chevrolet Silverado?
Symptoms may include reduced engine power, poor acceleration, black smoke from the exhaust, increased fuel consumption, or the Check Engine Light turning on.
3. What causes the P0299 code in a 2014 Chevrolet Silverado?
Common causes include a malfunctioning turbocharger, a boost leak in the intake system, a clogged or damaged intercooler, a faulty wastegate actuator, or a defective boost pressure sensor.
4. Can I drive my 2014 Chevrolet Silverado with a P0299 code?
While the truck may still be drivable, continued driving with a P0299 code can lead to reduced performance, poor fuel efficiency, and possible damage to the engine or turbocharger system.
5. How do I diagnose the P0299 code on my 2014 Chevrolet Silverado?
Diagnosis involves checking for intake system leaks, inspecting the turbocharger and wastegate actuator, testing the boost pressure sensor, and scanning for related trouble codes.
6. What is the most common fix for the P0299 code in a 2014 Chevrolet Silverado?
The most common fix is repairing or replacing faulty components such as the turbocharger, wastegate actuator, or addressing intake leaks.
7. Can a dirty air filter cause the P0299 code in my 2014 Chevrolet Silverado?
Yes, a clogged air filter can restrict airflow into the engine, potentially causing underboost conditions and triggering the P0299 code.
8. How much does it cost to fix the P0299 code on a 2014 Chevrolet Silverado?
Repair costs can range from $100 to over $2,000 depending on whether the issue is a simple sensor replacement or a full turbocharger repair.
9. Will resetting the Check Engine Light fix the P0299 code on my 2014 Chevrolet Silverado?
Resetting the light may temporarily clear the code, but the underlying issue must be resolved to prevent the code from returning.
10. Can a bad EGR valve cause a P0299 code on a 2014 Chevrolet Silverado?
Yes, a malfunctioning EGR valve can disrupt airflow and affect boost pressure, potentially triggering the P0299 code.
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