Gm dtc p0299 00

Jun 29, 2015 · After a nightmare with my 2011 Equinox and dumping $7k into it only to be stranded 3 times in a month I was about to swear off GM altogether but decided to give the 2019 Buick Encore a try.

Gm dtc p0299 00. This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles that have a supercharger or turbocharger (Toyota, Hyundai, Ford Powerstroke, GMC Chevy Duramax, VW, Kia, etc.). Although generic, the specific repair steps may vary depending on make/model. ... codigos p0299 y p0047 …

When a P0299 code is exhibited in an OBD-II equipped vehicle, it indicates that the powertrain control module (PCM) has detected a turbocharger or supercharger …

KC-2020 - ENGINE AND ENGINE COOLING MACK: Diagnostic trouble codes P029900 or P226C00 with possible P115100 - us17+obd19 emissions and newer ... TURBO/SUPERCHARGER CHEVROLET: Gm: mil due to dtc P0299- turbocharger underboost dtc- inspect for turbocharger waste pivot pin wear. This may be the result of … A Chevy Cruze P0299 code happens when the onboard computer (ECM) sees low pressure in the manifold. It is an underboost code the ECM sends out when it detects an underboost condition exists. The boost is the amount of positive pressure that is being created by the turbocharger. When the pressure is low, an underboost condition will exist, which ... The P0172 DTC means that the car’s computer has determined that the fuel system is running too rich. The alert was set off on Bank 1. A rich-running system means that there’s either too much fuel or a lack of oxygen in the air-fuel mixture. Bank 1 indicates it’s located on the side that contains the #1 cylinder.P2227 is a diagnostic trouble code (DTC) for "Barometric Pressure Circuit Range/Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for ...In this video, Scott Brown of Connie and Dick’s Service Center, diagnoses an intermittent turbo underboost DTC (P0299). The tools used in the diagnostic process include an HP Tuners VCM Scanner; a Snap-on Wireless Digital Inspection Scope, No. BK8000; and a Redline Dual Purpose Diagnostic Leak Locator, No. 95-0130. Content. Causes. Fortunately, there are only a few reasons you will see a code P0299 on your vehicle: There is a fault with the turbo or supercharger. The engine has low oil pressure. EGR (Emission Gas Recycler) system is faulty. Air or air intake blockage or leak. The boost pressure sensor is faulty.

Jan 20, 2024 · A P0299 code indicates an underboost condition in the turbocharger or supercharger system of your vehicle. Possible causes include a defective turbocharger or supercharger, low engine oil pressure, EGR system defects, air or air intake leaks or restrictions, and a faulty boost pressure sensor. Accurate diagnosis involves using an OBD-II scanner ... P2099 Trouble Code. Last year we took about a 400 mile round trip from Baltimore to Ocean City in our used 2010 Acadia. While there I fueled up and on restarting a P2099 code set. I cleared the code a short time later and the code never came back on after the trip or for several months. 2 weeks ago we took a 1200 mile trip to Myrtle Beach …How to Fix. What does this mean? Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Turbocharger Vane Position Actuator. Air leaks between the turbocharger and the intake air flow valve. Airflow restrictions in air ducts or air filter.F1appassionato. The P0299 code typically is a result of the turbo stepper motor actuator not being able to fully move the waste gate. FCA at the time (or their accountants) chose a turbo unit that used a really cheap piece of stamped steel as the actuator arm/tie rod between the stepper motor and waste gate.The P0299 code indicates that your PCM/ECM detects that supercharger or turbocharger “A” has excessively low output. This code is triggered when the low boost pressure is detected. ... The repair cost of the trouble code P2099 varies according to labor cost, the vehicle model, and your area. To fix the P0299, you may need one or more of the …The great American sports car is going electric. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. The great American spor...

The powertrain control module (PCM) is responsible for monitoring the reading of the air temperature entering the intake. The PCM looks for the 5-volt reading from the IAT sensor. If it comes back higher than that, the P0113 trouble code gets set in the computer. The PCM uses this measurement to adjust the fuel-air ratio.I have reset and every time the check engine light comes on. States P0299 code pending. Approx 183,000 miles on it. I still have the original turbo and replaced the oil feed line 2 weeks ago.TSBs are bulletins issued by the car manufacturer to provide information on known problems. Usually describing specific trouble codes like this one. If there is a known TSB, you should start with the diagnostics described in it, it can save time and money. Start with a visual inspection.Sep 3, 2015 · This chevy cruze has code p0299 and this is the repair

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Always perform this test prior to replacing the turbocharger if DTC P0299 is set and no other issue has been found. 1. Connect GDS2 to the vehicle. 2. Clear all DTCs. 3. Warm the engine up to the normal operating temperature. 4. Move the vehicle to a safe area for the following drive cycle. 5. Enter ECM induction data list in GDS2. 6.Yes, a dirty air filter is one of the common causes of the P0299 code. When your vehicle’s air filter is clogged, it restricts airflow to the turbo, causing the engine to run at less speed than normal. This forces the PCM to trigger the P0299 code. To stop this issue, continuously inspect your filter and replace it if needed.While performing maintenance on your car, you may disconnect the radio from the battery in your GM vehicle. GM cars contain Delco radios that are protected by Theftlock, which lock...Just popped up for the first time today. I read and cleared the code. Will see if it comes back tomorrow. When searching for the code, i found that apparently this was common on gen1 cars, but don’t see much on gen2. Car is 2017 premier hatch, 47k miles. Sent from my iPhone using Tapatalk.Causas del fallo. El código P0299 puede significar que se han producido uno o más de los siguientes problemas: Restricción del suministro de aire (aspiración) o fuga. Mangueras/espigas mal conectadas, desconectadas o con fugas. Turbocompresor defectuoso o dañado. Posible fallo del sensor de presión de carga/descarga.

P0299 GMC Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. Home GMCP0299 GMC DTC P0299 Make: GMC Code: P0299 Definition: Turbocharger Engine UnderboostSep 23, 2016 · When a P0299 code is exhibited in an OBD-II equipped vehicle, it indicates that the powertrain control module (PCM) has detected a turbocharger or supercharger low boost condition. This code may be caused by either a mechanical or an electrical malfunction in the forced air induction (FAI) system. Both the turbocharger and the supercharger are ... There’s a lot to be optimistic about in the Consumer Goods sector as 3 analysts just weighed in on General Motors (GM – Research Report), ... There’s a lot to be optimistic a...#turbocharger #boost #leakdetectionIn this week's Tech Tip, Steve goes through the steps of diagnosing a P0299 code, using Redline's PowerSmoke™ machine -- n...1. Faulty Turbocharger: If you’re experiencing a P0299 code, the most probable culprit is a faulty turbocharger. This can be caused by damage to the turbocharger itself or issues with the wastegate, actuator, or compressor wheel. In either case, it’s essential to identify the problem’s cause so it can be fixed.Here's the direct quote on the work order from the tech: "Verified DTC P0299 set history, as per bulletin 11-06-04-001, reprogrammed ECM. Following SI control …2014 Cruze Turbo Intermittent P0299. My daughter has a 2014 Cruze 1.4T with 70k miles. It is throwing an intermittent P0299 low boost, usually on longer drives, often interstate, when she gets on the throttle such as to pass. Otherwise it could go weeks in between acting up. I built my own test kit using this as a guide.2849 posts · Joined 2017. #3 · Dec 21, 2021. If it is the waste gate it is covered under a special bulletin up to 193,000Kms. But most often than not you just need to clean the hoses or tighten the clamps for a P0299. Also most garages are now fully equipped to work on these so you don't have to pay $125/hr for diagnostic.TSBs are bulletins issued by the car manufacturer to provide information on known problems. Usually describing specific trouble codes like this one. If there is a known TSB, you should start with the diagnostics described in it, it can save time and money. Start with a visual inspection.May 10, 2022 · P015B - 02 sensor delayed response, lean to rich (bank 1 sensor 1). This is probably the most common one, has appeared multiple times. P0299- Turbo underboost condition (only appeared once) P1101 - Mass Air Flow sensor out of self test range (only appeared once) P0496 - EVAP emission system high purge flow (only appeared once) P2270 - Oxygen ...

P0299 RAM Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. Home RAMP0299 RAM DTC P0299 Make: RAM Code: P0299 Definition: Turbocharger Underboost Description: Air flow is below the estimated flow by a calibrated threshold. Cause: AIR CLEANER BOX DAMAGED, OUT-OF-POSITION, AND/OR NOT SEALED …

This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles that have a turbocharger or supercharger. Brands of vehicles affected may include but are not limited to Ford, GMC, Chevy, VW, Audi, Dodge, Hyundai, BMW, Mercedes-Benz, Ram, Fiat, etc. … See moreThe P0299 code is common the GM 1.4L Turbo LUV/LUJ engine. Here's why it happens and how to diagnose it. P0299 is an underboost code, triggered when the …TIS Chevrolet Captiva (Шевроле Каптива). Руководство по техническому обслуживанию Chevrolet Captiva. Диагностические коды неисправности P0234, P0299. ... DTC P0299 (00): Недостаточное давление ... DTC P0402 (00): Рециркуляция отработавших газов, слишком большой ...Conditions for Running the DTC. The ignition is ON. DTC P064C runs continuously. Conditions for Setting the DTC The GPCM detects a variation between the main battery supply to the GPCM and battery supply to the ECM, or an internal condition for 3 second. Action Taken When the DTC Sets DTC P064C is a Type B DTC. Conditions for Clearing the DTC 2009 Chevrolet Silverado codes p0641, p06A6, and p069E I have A 2009 Silverado and the check engine light is on. I read the codes and they are p0641 (5 volt reference voltage incorrect), p06A6, and p069E(Fuel pump control module requested MIL illumination). Ventilators assembled by GM and Ventec Life Systems were delivered to hospitals Thursday night with more making their way to facilities today and through the weekend, the first in ...Important:Only perform steps 1-5 if DTC P0299 is set. Bulletin No.: 17-NA-221 August, 2021 Page 3. 4108751. 1. Remove the turbocharger Air Pressure sensor (3). Refer toTurbocharger Air Pressure Sensor Replacementin SI. 4910683. Important:Due to the sensitivity of the sensor,Do Not. use any chemical cleaners including water andDo Not.In the case of this code, the "B" indicates the problem is with a portion of the system circuit, instead of a particular symptom or component. Code P018D is set when the PCM detects a high fuel pressure sensor signal. This usually indicates an open circuit. Related codes include P018A, P018B, P018C, and P018E. An example of a fuel pressure sensor:Jun 27, 2020. #1. Hey guys. I bought my 2019 Ram 2500 Cummins about a year ago brand new and it currently has ~18,000 miles on it. In the past 3 weeks it’s been at the dealership twice for a check engine light that is giving a P0299 turbo under boost code. The truck is completely stock with zero mods. The first visit to the dealership they ...Some symptoms that may be present with the P0299 code include a lack of power, reduced fuel efficiency, engine misfires, and a rough idle. You may also hear a …

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Condition: Reduced engine power and one or more of the following DTC’s may be present DTC’s P0172, P0299, P0101, P0506, P1101.. Cause: Charge air cooler outlet hose may be disconnected from throttle body.. Correction. Confirm the connection of the charge air cooler outlet pipe at the throttle body.If the charge air outlet tube is not …Employees and suppliers of General Motors with one of the company’s branded credit cards can earn money to spend on a new GM vehicle. GM refers to the cash earned on the cards thro...Code P0299 Information for Specific Makes. P0299 Acura Turbocharger Underboost Problem 📷. P0299 Buick Engine Underboost 📷. P0299 Cadillac Engine Underboost 📷. P0299 Chevrolet Engine Underboost 📷. P0299 Chrysler Boost In Range Low. P0299 Ford Turbo/Supercharger Underboost . P0299 GMC Engine Underboost 📷. P0299 Honda Turbocharger ...Jun 27, 2020. #1. Hey guys. I bought my 2019 Ram 2500 Cummins about a year ago brand new and it currently has ~18,000 miles on it. In the past 3 weeks it’s been at the dealership twice for a check engine light that is giving a P0299 turbo under boost code. The truck is completely stock with zero mods. The first visit to the dealership they ...Conditions for Running the DTC. DTCs P2564 or P2565 are not set. The engine speed is between 800-3,000 RPM. DTC P0299 runs continuously when the above conditions are met. Conditions for Setting the DTC The measured MAP pressure is more than 39 kPa below the expected range for 10 seconds. Action Taken When the DTC …Some symptoms that may be present with the P0299 code include a lack of power, reduced fuel efficiency, engine misfires, and a rough idle. You may also hear a …When a P0299 code is exhibited in an OBD-II equipped vehicle, it indicates that the powertrain control module (PCM) has detected a turbocharger or supercharger low boost condition. This code may be caused by either a mechanical or an electrical malfunction in the forced air induction (FAI) system. Both the turbocharger and the supercharger are ...P0299 or P0234 Fix a turbo trouble code on GM. GM has issued a service bulletin #09-06-93-004 to address a check engine service engine soon light and trouble codes P0299 or P0234 on the vehicles listed below. The P0299 Turbocharger Engine Underboost or P0234 Turbocharger Engine Overboost codes pertain to the turbocharger … ….

Potential causes for this DTC, P0234, include: In lieu of further trouble codes associated with the overboost condition it would be safe to say the problem is mechanical. The operation of the wastegate is the most probable. The wastegate is either stuck closed causing the turbo to spin higher than normal, thus causing the overboost.Aug 27, 2018 · I made a quick video to explain the P0299 underboost code that you'll find on various turbo engines. While there are some application-specific explanations, ... Illuminated - DTC P0299, P0234, P0236, P2261, P2227, P00C7 Set Brand: Model: Model Year: VIN Breakpoint: Engine: Transmission: from to from to Buick Encore 2013 2020 — 1.4L (RPO LUV) — Chevrolet Cruze 2011 2016 Sonic 2012 2020 Trax 2013 2020 Opel Ampera 2012 2015 Vauxhall Ampera 2012 2015 Involved Region or Country North America, Europe ...Mar 3, 2023 · P0299 in a Chevy Trax is a code that is triggered when the car's Engine Control Module (ECM) detects an underboost condition in the car's turbocharger. This means that there's a problem in the car preventing the turbocharger from reaching its target boost level. This could be the result of a minor problem, or it could be a more serious issue ... Causas del código DTC P0299. Pueden haber diversas razones por las que se detecta un código DTC P0299 en un vehículo. Algunas causas pueden ser: Fallo en el turbocompresor: El código P0299 puede ser causado por un fallo en el turbocompresor, como una obstrucción en el conducto de admisión o una falla en los rodamientos.P0299 or P0234 Fix a turbo trouble code on GM. GM has issued a service bulletin #09-06-93-004 to address a check engine service engine soon light and trouble codes P0299 or P0234 on the vehicles listed below. The P0299 Turbocharger Engine Underboost or P0234 Turbocharger Engine Overboost codes pertain to the turbocharger …The technician may find diagnostic trouble codes P0299 or P0234 set. The technician is provided PIP5495E - ENGINE AND ENGINE COOLING CHEVROLET: This preliminary information communication provides information to the technician about vehicles that may have a malfunction indicator lamp on. The technician may find diagnostic trouble codes P0299 or ...#1 · Mar 4, 2023. Malibu with 79000 miles on it. Had a cold snap and the code P0299 shows up . Dealership changed CAC due to ice or water in it. 2500 dollars later Chevy won’t do … Gm dtc p0299 00, The BARO sensor provides a voltage signal to the ECM relative to the atmospheric pressure changes. The ECM monitors the BARO sensor signal for a voltage outside of the normal range. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the BARO pressure is less than 50 kPa (7.3 psi) or greater than 115 kPa …, Conditions for Running the DTC. The ignition is ON. DTC P064C runs continuously. Conditions for Setting the DTC The GPCM detects a variation between the main battery supply to the GPCM and battery supply to the ECM, or an internal condition for 3 second. Action Taken When the DTC Sets DTC P064C is a Type B DTC. Conditions for Clearing the DTC, The P0299 code is set when the ECU detects a Turbocharger/Supercharger boost pressure is lower than expected. 6 Common Symptoms When Code P0299 is Present. Check Engine Light Lit. Poor engine performance especially during wide open throttle acceleration. Poor fuel economy. Increased emissions. Possible engine misfires., 1. Ignition ON, observe the scan tool DTC information. Verify DTC P06D2, P168C, P168D or P2263, is not set. 2. Engine running, observe the scan tool TC Vane Position Sensor and the Desired TC Vane Position parameters. Command the TC vane position sensor in 5 % increments from 0-100 %. The parameters should remain within 2 % throughout the ..., The P2002 trouble code is generic among diesel-powered vehicles. It won’t show up with a gas-powered engine. This DTC indicates that the ECM detected an issue with the particulate exhaust filter. The problem occurs with the Bank 1 set of cylinders. This trouble code indicates that there’s been a change in the back pressure., Jan 20, 2024 · A P0299 code indicates an underboost condition in the turbocharger or supercharger system of your vehicle. Possible causes include a defective turbocharger or supercharger, low engine oil pressure, EGR system defects, air or air intake leaks or restrictions, and a faulty boost pressure sensor. Accurate diagnosis involves using an OBD-II scanner ... , DTC P0299 00 Engine Underboost. Circuit/System Description: The turbocharger pressure sensor responds to pressure changes in the intake manifold. The pressure changes occur based on the engine load, and turbocharger boost. ... P0299 00 The actual turbocharger boost pressure is less than the desired range for greater than 6 s. Action Taken When …, Today, pulling our 5er from Maurice to Houston I experienced three P0299 code instances. All three were while climbing a tall bridge when the engine downshifted to 4th gear. ... 2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71, DIY stock airbox mod, aFe ProGuard 7, OEM drop-in, ECM and Trans tuning, AD 100 4G LiftPump. …, The Diagnostic Trouble Code (DTC) is set when a supervised periodic message, including the transmitter device availability, is not received. FAQ. What are the possible causes of the u18a2 automobile fault code? If you see the engine light on or the service engine soon warning light, it could be due to the u18a2 automobile fault code. This code is caused by …, 2009 Chevrolet Silverado codes p0641, p06A6, and p069E I have A 2009 Silverado and the check engine light is on. I read the codes and they are p0641 (5 volt reference voltage incorrect), p06A6, and p069E(Fuel pump control module requested MIL illumination). , May 10, 2022 · P015B - 02 sensor delayed response, lean to rich (bank 1 sensor 1). This is probably the most common one, has appeared multiple times. P0299- Turbo underboost condition (only appeared once) P1101 - Mass Air Flow sensor out of self test range (only appeared once) P0496 - EVAP emission system high purge flow (only appeared once) P2270 - Oxygen ... , The technician may find Diagnostic Trouble Codes P0299 or P0234 set. ... $479.00. Buy on Amazon Price incl. tax, excl. shipping. Bestseller No. 8. ... Diagnostic Tips For DTC P219A – 2010-2015 Chevrolet GMC Buick. Product Safety Recall N212333901 Loss of Power Steering Assist – 2021 Cadillac Chevrolet GMC. Intermittent Shift to Park …, A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . Full Forum Listing. Explore Our Forums. General Discussions 01-04.5 LB7 Duramax Powertrain New Member …, How to Fix. What does this mean? Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Turbocharger Vane Position Actuator. Air leaks between the turbocharger and the intake air flow valve. Airflow restrictions in air ducts or air filter., The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center., During diagnosis, a technician may find DTC P0299, P2227, or P0300 set/stored. Cause. This condition may be caused by a moisture build up inside the charge air cooler. Long drives through rainy conditions and/or high humidity conditions (heavy fog) can cause moisture to collect in the charge air cooler., One of these sensors is the Mass Air Flow sensor (MAF), which monitors the quantity of air entering the engine, and the ECU will illuminate the CEL right away if it detects that the MAF sensor's ..., The antilock brake system (ABS) is controlled by its own computer. When it senses a problem, the ABS module on the dashboard will light up. When the problem is fixed, the module wi..., DTC P244B (11): Diesel Particulate Filter Differential Pressure Too High (Above Maximum Threshold) P2463 .... DTC P2463 (00): Diesel Particulate Filter Soot Accumulation . DTC P2463 (11): Diesel Particulate Filter Soot Accumulation (Above Maximum Threshold) P0299 .... DTC P0299 (00): Turbocharger Engine Underboost. …, A P0299 code can cause a car to go into limp mode. Limp mode restricts the power output of your vehicle when the ECU senses conditions outside its normal operating range. Limp mode is a safety measure designed to prevent engine damage from occurring while there is an issue present. Lastly, a check engine light will be on, allowing the P0299 ..., OK, this is the story. Back when the LLY came out, and people started putting on either aftermarket aircleaners, EGR blockers, or exhaust systems, AND they went driving in the mountains, the infamous P0299 Underboost code came up. It is a performance limiting code, so it was important to resolve. It was often accompanied by MAF codes., 9 Mar 2017 ... Join me in troubleshooting this 2013 Cruze with a misfire complaint, and let's learn together! Troubleshooting techniques seen in this video ..., SEOCONTENT-START . TECHNICAL SERVICE BULLETIN 6.7L – Lack Of Power And/Or Illuminated MIL With Only DTC P0299 19-2143 08 May 2019. Model: Ford 2011-2016 F-Super Duty. Issue: Some 2011-2016 F-Super Duty vehicles equipped with a 6.7L diesel engine may exhibit a lack of power and/or illuminated malfunction indicator …, P0299 or P0234 Fix a turbo trouble code on GM. GM has issued a service bulletin #09-06-93-004 to address a check engine service engine soon light and trouble codes P0299 or P0234 on the vehicles listed below. The P0299 Turbocharger Engine Underboost or P0234 Turbocharger Engine Overboost codes pertain to the turbocharger …, , The technician may find diagnostic trouble codes P0299 or P0234 set. The technician is provided PIP5495E - ENGINE AND ENGINE COOLING CHEVROLET: This preliminary information communication provides information to the technician about vehicles that may have a malfunction indicator lamp on. The technician may find diagnostic trouble codes P0299 or ..., P0102 p0299. A little background guys. I have a 2006 GMC 3500 4x4 Dually with Duramax/Allison. This truck is completely stock with 70K on the clock. The truck had the typical transmission line leak as well as a power steering leak. I removed the CAC Tube in order to diagnose a powersteering leak., After a nightmare with my 2011 Equinox and dumping $7k into it only to be stranded 3 times in a month I was about to swear off GM altogether but decided to give the 2019 Buick Encore a try., The automobile fault code P20E8 is related to the Reductant Pressure Too Low. The diagnosis and fixing cost of this fault code is influenced by several factors. The estimated repair time for this fault code is 1.0 hour. The cost of repair is commonly charged between $75 and $150 per hour by most auto repair shops., The P0299 code is set when the ECU detects a Turbocharger/Supercharger boost pressure is lower than expected. 6 Common Symptoms When Code P0299 is Present. Check Engine Light …, P0299 in a Chevy Trax is a code that is triggered when the car's Engine Control Module (ECM) detects an underboost condition in the car's turbocharger. This means that there's a problem in the car preventing the turbocharger from reaching its target boost level. This could be the result of a minor problem, or it could be a more serious issue ..., A Chevy Cruze P0299 code happens when the onboard computer (ECM) sees low pressure in the manifold. It is an underboost code the ECM sends out when it detects an underboost condition exists. The boost is the amount of positive pressure that is being created by the turbocharger. When the pressure is low, an underboost condition will exist, which ..., During diagnosis, a technician may find DTC P0299, P2227, or P0300 set/stored. Cause. This condition may be caused by a moisture build up inside the charge air cooler. Long drives through rainy conditions and/or high humidity conditions (heavy fog) can cause moisture to collect in the charge air cooler.