Can you drive with a P0299 code on a Chevy Trax?

The short answer: you can technically drive, but you should treat it as a warning and limit driving. P0299 means the turbocharger is not producing the expected boost, which can reduce power and fuel economy and may trigger limp mode if the condition worsens.

In a Chevy Trax, this underboost condition typically shows up as sluggish acceleration, especially when you punch the accelerator, plus possible engine light illumination. Causes can range from simple leaks in the charge-air system to a failing turbocharger or boost-control components. You may be able to reach a repair shop, but plan for a careful drive and avoid heavy loads or aggressive driving until the issue is diagnosed and repaired.

Understanding P0299 on the Chevy Trax

P0299 is a generic OBD-II code that signals an underboost condition in a turbocharged engine. For the Trax, that means the engine is not achieving the target boost pressure when the turbocharger is commanded to produce more air. This can impact acceleration, towing capability, and overall drivability, and in some cases the engine may enter a protected mode to prevent damage.

Can you drive with P0299? Safety and driving tips

Yes, but drive with caution. If the vehicle feels notably down on power, avoid highway merging or rapid acceleration. Keep trips short and planned to a repair facility. If the check engine light is flashing, pull over safely and seek roadside assistance, as that pattern can indicate a more serious misfire condition requiring immediate attention.

Common causes of P0299 on a Chevy Trax

The following items are typical culprits when a Trax shows a P0299. Inspecting these areas can help pinpoint the underboost condition.

• Vacuum leaks in intake hoses or intercooler piping


• Turbocharger wastegate actuator or boost-control valve failure


• Leaks or damage in the intercooler or charge pipes


• Dirty or faulty MAF (mass air flow) or MAP (manifold absolute pressure) sensors


• Turbocharger damage or worn bearings


• Exhaust system restrictions (blocked catalytic converter or exhaust up to the turbo)

These causes all tend to present with reduced boost and may trigger other related trouble codes. A professional diagnostic will confirm the exact source.

Diagnosing and fixing P0299 on a Chevy Trax

Reliable diagnosis usually starts with a thorough scan and a boost-test, followed by a targeted inspection of the charge-air system. The steps below outline the typical process a shop uses to identify and repair the problem.

1. Use an OBD-II scanner to confirm P0299 and check for any related codes (e.g., sensor faults or exhaust issues).


2. Inspect all charge-air system connections, hoses, clamps, intercooler, and piping for cracks, leaks, or loose fittings.


3. Test the turbocharger wastegate actuator and boost control solenoid for proper operation and vacuum/pressure supply.


4. Check the MAF and MAP sensors for contamination, wiring issues, or incorrect readings; clean or replace as needed.


5. Look for exhaust restrictions or damage that could impede flow and boost buildup.


6. Evaluate for software updates or ECU reprogramming if a calibration issue is suspected.


7. Perform a road test after any repair to verify that boost returns to target and the code clears.

Avoid guessing; if a turbo-related fault is found, replacing components (turbo, wastegate, hoses, or sensors) may be necessary to restore proper boost pressure.

Driving tips while you wait for service

Until a repair is done, minimize high-load driving—no fast accelerations, no steep hills, and no towing. Keep speeds moderate and plan a service visit as soon as possible to prevent potential further damage and to restore performance.

About the Chevy Trax and turbocharged engines

Most U.S.-market Chevy Trax models use a turbocharged 1.4-liter engine that relies on a boost-controlled air path for power. A P0299 can occur in this setup when any part of the boost system underperforms. Other regional variants may use different configurations, so consult your owner's manual or a dealer for specifics about your exact year and trim.

Summary

A P0299 on a Chevy Trax signals turbo underboost and can manifest as reduced power and poorer acceleration. You can drive temporarily, but you should drive cautiously, avoid heavy loads, and seek diagnostic service promptly. Common causes include boost leaks, turbo wastegate/boost-control issues, faulty sensors, or exhaust restrictions. A professional diagnostic with targeted repairs typically restores proper boost and clears the code.

What is the code P0299 on a Chevy Trax?

The Chevy Trax P0299 code indicates a turbocharger or supercharger underboost condition, meaning the turbo isn't generating enough pressure for the engine. Common causes include vacuum leaks, a faulty wastegate or boost pressure sensor, and a clogged air filter. Symptoms typically include a loss of power and the "check engine" light illuminating. 
Common causes

• Vacuum leaks: Cracks or loose connections in the vacuum lines can prevent the turbo from building pressure. 
• Faulty wastegate: The wastegate, which controls boost pressure, can get stuck open or fail to operate correctly. 
• Boost pressure sensor: A malfunctioning boost pressure sensor can send incorrect information to the engine control module (ECM). 
• Air intake restrictions: A dirty or clogged air filter can hinder the turbo's performance. 
• Turbocharger issues: The turbo itself may have internal problems, such as binding or a faulty control solenoid. 

Symptoms

• "Check engine" light: The Malfunction Indicator Lamp (MIL) will illuminate. 
• Reduced engine power: You may notice a significant loss of acceleration and power, especially when going uphill. 
• Unusual engine noises: Some drivers report strange sounds from the engine during operation. 

How to fix it

1. Check for vacuum leaks: Inspect all vacuum hoses for cracks, disconnections, or damage. 
2. Inspect the air filter: Check if the air filter is dirty or clogged and replace it if necessary. 
3. Diagnose the wastegate: Check if the wastegate is stuck. A mechanic may need to inspect or replace the wastegate actuator. 
4. Test the boost pressure sensor: A mechanic can test the sensor and its wiring for faults. 
5. Inspect the turbocharger: Have a professional check the turbocharger for any mechanical issues, such as a stuck wastegate or damaged components. 

0:252015 Chevy #Trax LT 1.4L turbo waste gate stuck code PO299 ...FacebookVillage Transmission & Auto Clinic · 5mo 59s2017 Chevy Trax, P0236 P0299 Turbo charger boost sensor.YouTubeLaw's Automotive · 4y 0:30P0299 2017 Chevy tax ecotec 1.4L turbo : r/ChevyTraxRedditQuiet_Payment3359 · 2mo 2:16Chevy Cruz Turbo P0299 Code Fix | Boosted Intercooler & DIY MechanicsTikTokcheckenginechuckllc · 3y 0:162018 Chevy Trax - Oil leak + P0299 : r/MechanicAdviceRedditFeisty_Lavishness540 · 3w 2:392018 Chevy Trax customer states under boost and overboost codes and ...FacebookMichael Pfeffer · 1y (function(){
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Can I drive my car with a P0299 code?

It is not safe to drive with a P0299 code, as it indicates a turbo underboost condition that can lead to further engine or turbo damage. The vehicle will likely have reduced power and performance, but continuing to drive can cause more severe issues. The best course of action is to have the vehicle inspected by a mechanic promptly. 
Risks of driving with a P0299 code

• Further damage: Driving with an underboost condition can cause additional damage to the turbocharger, exhaust system, or other engine components. 
• Performance loss: The most immediate symptom is a noticeable decrease in power and sluggish acceleration, as the turbo isn't providing the expected boost. 
• Mechanical failure: Depending on the severity of the underlying issue, the engine may perform erratically or even enter "limp mode," where it is severely restricted to prevent damage. 

What you should do

• If the check engine light is flashing: Do not drive the vehicle at all and have it towed to a mechanic. 
• If the check engine light is solid: Drive the vehicle for the shortest distance possible, avoiding high speeds and heavy acceleration. Drive cautiously at low RPMs and get it inspected as soon as you can. 
• Get it diagnosed: A mechanic can properly diagnose the cause, which could be a simple boost leak or a more serious problem with the turbo itself. 
• Inspect hoses and connections: Check all hoses and connections for leaks, as this is a common cause of the P0299 code. 

What is the problem with the turbo on the Chevy Trax?

Common Chevy Trax turbo problems include turbocharger failure, boost leaks, and wastegate actuator issues, particularly in model years 2015–2018. Symptoms can include a lack of power, a whistling or whining noise, a check engine light, and reduced acceleration. Addressing these problems often involves diagnosing leaks, checking the wastegate, and potentially replacing the turbocharger.
 
This video explains the warranty extension for certain Chevy Trax models with turbo issues: 50sTopicMotorYouTube · Nov 1, 2025
Common problems

• Turbocharger failure: A known issue for certain 2017 and 2018 models, which can result in complete failure requiring replacement. 
• Boost leaks: Leaks in hoses or intercooler connections can lead to performance problems. 
• Wastegate actuator failure: The wastegate actuator can fail, preventing the turbo from building proper boost pressure. 
• P0171 code: This intake air flow system performance code can be triggered by a faulty non-return valve in the PCV system, which is often located in the PCV bypass hose. 
• Oil leaks and consumption: Some owners have reported significant oil consumption and leaks, potentially linked to turbo problems or a related P0171 code. 

Symptoms to watch for

• Reduced engine power: The vehicle may feel sluggish and slow to accelerate. 
• Check engine light: The engine light often comes on with turbo-related issues. 
• Whining or whistling noise: A high-pitched noise from the engine bay can indicate a turbo problem. 
• Rough idling: Some owners have reported rough idling. 
• Loud noises: Some owners report loud banging noises when driving. 

You can watch this video to see an example of a Chevy Trax with turbo issues: 0:32tvanoreReddit · Nov 27, 2021
Diagnosis and solutions

• Diagnostic scan: Use a diagnostic tool to read specific error codes, such as P0171, that point to turbo issues. 
• Inspect for leaks: Check hoses and intercooler connections for any signs of leaks. 
• Check the non-return valve: If a P0171 code is present, inspect the non-return valve in the PCV bypass hose. It may be stuck or have fallen out. 
• Address oil consumption: If you're experiencing high oil consumption, check for oil leaks and consider getting a full diagnosis from a mechanic. 
• Consult a professional: Given the complexity, it is best to have a qualified technician or dealership diagnose and repair the issue. 

How much does it cost to replace a turbocharger on a Chevy Trax?

between $1,553 and $1,827
The average cost for a Chevrolet Trax Turbocharger Assembly Replacement is between $1,553 and $1,827. Labor costs are estimated between $587 and $861 while parts are typically priced around $966.