P059f gmc code

Vehicles built before 3N1CE2CP(*)E(*) 407011 and January 3, 2014. IF YOU CONFIRM: The MIL is ON with DTC P059F (ACTIVE GRILLE AIR SHUTTER A) stored in the ECM. ACTION: 1. Compare the vehicle’s current ECM part number to those listed in Table A(see page 4). 2. If the ECM part number matches one listed in Table A, reprogram the ECM.

P059f gmc code. You can find common GMC Terrain fault codes on this page that when clicked take you to a detailed description. ... P059f. Active Grille Air Shutter Performance. Learn More. 4/10 P0030. Heated Oxygen Sensor (H02S) Heater Control Circuit Bank 1 Sensor 1. Learn More Fixes. 7/10 P0010.

To fix the automobile fault code p151e, you need to follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors. 5.

The automobile fault code p159f has an estimated repair time of 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for this type of repair. P159F Fault Code: Understanding The Description And Troubleshooting Steps. The P159F fault code refers to a problem with the Fuel Economy Mode Switch Circuit’s low voltage.Síntomas del código OBD2 P059F Chevrolet. Los síntomas de un código de avería P059F Chevrolet generalmente son: Se enciende la luz de fallo de motor (Check Engine). Pérdida de potencia en el vehículo. Problemas de aceleración. El motor puede tener dificultades para arrancar. Causas del código DTC P059F ChevroletP059F Description. The active grille air shutter actuator closes louvers in the front grille to enhance vehicle aerodynamics in driving situations where cooling and A/C loads are relatively low and high levels of front end airflow are not required. If high levels of airflow are required the active grille air shutter actuator opens the louvers ...Communication Number: 19NA213, Date: 2019-10-11. Category: 030000 BRAKES (PWS) Summary: This technical bulletin provides repair information to correct a customer concern of Service Calibration for Service ESC and/or Service Park Brake Messages. Communication Number: 010601011K, Date: 2019-10-09.In addition, the FX2000 engine code reader also displays important OBD II advanced data such as fuel, ... 3500HD, Chevrolet, GMC, P059F, P05AE, Sierra, Silverado.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. Check for debris obstructing the Active Grille Air Shutter. Faulty Active Grille Air Shutter. Active Grille Air Shutter harness is open or shorted.To diagnose the P059F 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

Save on your password security with Keeper Security promo codes. Get the latest on Keeper Security promo codes, coupons, and May sale on PCWorld. PCWorld’s coupon section is create...Ford DTC P059F. Engine running. The ignition voltage is greater than 10 V. The DTC runs continuously when the above conditions are met. When the grille shutter actuator senses it is unable to move the grille shutter, it sends a message to the PCM via the LIN . The PCM sets this DTC when the fault is communicated for a predetermined amount of time.Mar 31, 2022 · The P059F OBD2 code refers to the Active Grille Air Shutter Performance. Follow the complete article to know more about this code and get an idea of fixing it. OBD-II Code P059F Meaning. The meaning of P059F OBD2 is code is that the chassis control module of the vehicle has been detected to have an improper airflow. Learn about common causes of the U0100 code, and how to diagnose them. If it's time to replace your PCM we're here to help. CALL US! CALL US! 800.886.9926. Mon - Fri. 9am - 6pm ET. Free US ... GMC ECM, ECU, PCM Car Computers. View All GMC ECM, ECU, PCM Car Computers; GMC C1500 Pickup Pickup Truck PCM; GMC C2500 Pickup …Aug 2, 2021 · It just might save you some time in diagnosing P2101. P2101 is a general OBD2 trouble code. It has the same meaning for the Chevy Silverado as it would any other vehicle. It is typically caused by wiring issues at the throttle actuator, or a bad throttle actuator itself. P2101 Definition: Throttle Actuator "A" Control Motor - Circuit Range ... Labor: 1.0. To diagnose the P159F code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

The Diagnostic Trouble Code (DTC) will be set if the desired Active Grille Air Shutter Position achieved has exceeded the number of attempts. Code P059F GMC Tech Notes The aero shutters on some 2019-2021 Silverado 1500, Tahoe, Suburban, Sierra 1500, Yukon, Escalade; 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models may have ...A high failure rate of the small auxiliary battery in the trunk of the Chevrolet Malibu Eco models is the most common cause of a check engine light associate...The Diagnostic Trouble Code (DTC) will be set if the desired Active Grille Air Shutter Position achieved has exceeded the number of attempts. Code P059F GMC Tech Notes The aero shutters on some 2019-2021 Silverado 1500, Tahoe, Suburban, Sierra 1500, Yukon, Escalade; 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models may have ...P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module.A 2017 GMC ACADIA with a 2.5l engine. it has a code P059F. I dont have the vehicle here, it was a phone call, so - Answered by a verified Ford Mechanic ... Thank you for holding Jeff, The code P059F indicates you have an Active Grille Air Shutter 1 Performance issue here and there are no common causes for this code beside a …What Does the Engine Code P059F Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. "5" in the third character position in a DTC indicates that the vehicle speed, idle control and auxiliary inputs is …

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Part number is 23488119, but if you want to double-check before you order it's stamped on the module. The module is mounted on the rear side of a cross bracket, between the spare tire and the underside of the bed, so you'll need to drop the spare tire to get to it. Pretty easy to snap out and in after that.To fix the automobile fault code u1501, first, check the possible causes listed above. Then, visually inspect the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins. This fix will take an estimated repair time of 1.0 hour.2014 Chevy Malibu DTC P069E Fuel Pump Control Module Request codeConnector M96 (Active Grille Air Shutter Actuator )Also we have another DTC code U0284Lost C...To fix the automobile fault code p151e, you need to follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors. 5.P059F GMC Code - Active Grille Air Shutter 1 Performance. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors.What is the Cost to Diagnose the Code P059F 2015 GMC Sierra? Labor: 1.0. To diagnose the P059F 2015 GMC Sierra code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type.

The cost to diagnose the P059F 2015 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Sum total for repairs was $7,500, the majority being the CVT trans, which was $4,500. Other things included were spark plug change, bad coil back side of engine of course, active grille shutter, brake flush, coolant flush, new brakes, replacement of radar sensor, and tires. Might have been a few other small things in there.TIP:A shutter performance issue will always set DTC P059F (Active Grille Air Shutter 1 Performance) and U0284 (Lost Communication with Active Grille Air Shutter Actuator 1) …P0XXX Codes; Trouble Code Fault Location Probable Cause; P0000 – P0099 (Fuel and air metering and auxiliary emission control) P0000: No fault-P0001 : Fuel volume regulator control -circuit open: Wiring, regulator control solenoid: P0002: Fuel volume regulator control -circuit range/performance: Wiring, regulator control solenoid: P0003Code U1501 Information for Specific Makes. U1501 Buick Local Interconnect Network Bus Failure. U1501 Cadillac Local Interconnect Network Bus Failure. U1501 Chevrolet Local Interconnect Network Bus Failure. U1501 Chrysler Implausible Message Data Length Received From ECM/PCM. U1501 Dodge Implausible Message Data …Engineering Information – Service Engine Soon (SES) Light On When Snow and/or Ice Accumulates in the Active Grille Air Shutters, DTC P059F Set. Attention: Proceed with …1. Check that the Active Grille Shutter has battery voltage on pin 4 Brown wire KOEO, you should be able to light a bulb brightly here. See attached document for Active Grille Shutter location. 2. Check that the Active Grille Shutter has ground on pin 1 Black wire, this should be .05v or less. 3.A 2017 GMC ACADIA with a 2.5l engine. it has a code P059F. I dont have the vehicle here, it was a phone call, so - Answered by a verified Ford Mechanic ... Thank you for holding Jeff, The code P059F indicates you have an Active Grille Air Shutter 1 Performance issue here and there are no common causes for this code beside a …Learn about common causes of the U0100 code, and how to diagnose them. If it's time to replace your PCM we're here to help. CALL US! CALL US! 800.886.9926. Mon - Fri. 9am - 6pm ET. Free US ... GMC ECM, ECU, PCM Car Computers. View All GMC ECM, ECU, PCM Car Computers; GMC C1500 Pickup Pickup Truck PCM; GMC C2500 Pickup …Meaning. A P069E code is caused by an ECM (Engine Control Module) receiving a signal from a powertrain control module requesting illumination of the MIL (Malfunction Indicator Lamp). Essentially, this means that there is a problem with the fuel pump system. The ECM sends a request for the powertrain control module to turn on the check engine ...

The automobile fault code p159f has an estimated repair time of 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for this type of repair. P159F Fault Code: Understanding The Description And Troubleshooting Steps. The P159F fault code refers to a problem with the Fuel Economy Mode Switch Circuit’s low voltage.

revjpeterson. 1195 posts · Joined 2013. #5 · Jan 21, 2018. When I had these codes, I found that they would only set when the temperature was above 50 degrees F. With mine, the shutters were failing to open fully, therefore when they were staying closed 100% of the time at temps below 50, the code wouldn't set, then when the temps got high ...412 posts · Joined 2014. #1 · Mar 13, 2014. Hello. I got a check engine light the other day and today used torque app to find 3 codes P059f, P069e, and U0284. I read somewhere that this relates to the active shutters and we just had a snowstorm. Wondering if some snow or ice got in there, don't visually see enough to cause trouble, but I know ...Remove the bolts that hold the shutter assembly to the radiator ducting. You can also unplug the connector at this point. The motor for the shutters and the ambient temp sensor are on the same harness. 4. Carefully pop …The automobile fault code p159f has an estimated repair time of 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for this type of repair. P159F Fault Code: Understanding The Description And Troubleshooting Steps. The P159F fault code refers to a problem with the Fuel Economy Mode Switch Circuit’s low voltage. What is the Cost to Diagnose the Code P059F 2014 GMC Sierra? Labor: 1.0. The cost to diagnose the P059F 2014 GMC Sierra code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per ... Learn how to create a QR code, and you can use it to accept payments, marketing, and more to engage with your customers on smartphones. Quick Response codes or QR codes are a great...A 2017 GMC ACADIA with a 2.5l engine. it has a code P059F. I dont have the vehicle here, it was a phone call, so - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.Here is a solid diagnostic order for diagnosing P059F in the Nissan Titan, as well as the most common causes for this code: Debris. The first thing you should do if you have P059F is check the grille for debris. It is very common to pick something up on the road that’ll wedge in there that’ll keep the grille from opening or closing.

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To diagnose the P059F 2014 GMC Sierra code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.revjpeterson. 1195 posts · Joined 2013. #5 · Jan 21, 2018. When I had these codes, I found that they would only set when the temperature was above 50 degrees F. With mine, the shutters were failing to open fully, therefore when they were staying closed 100% of the time at temps below 50, the code wouldn't set, then when the temps got high ...Check out this list of real-world examples to learn how you can use QR codes to improve your customer experience. Trusted by business builders worldwide, the HubSpot Blogs are your...Active Grille Shutter Replacement - Code P159F-00 - 2019 Nissan AltimaToday, we’ll be replacing the active grille on a 2019 Nissan Altima. Code P159F-00. T...If DTCs P059F/P05AE are set, follow the steps listed below. 1. Check for a foreign object such as a rock, stick or bolt that went through the grille in the upper and lower shutters, that may be stuck in between the louvers/vanes. If a object is found, please try to remove it from aero shutter assembly if possible.Bar codes are a machine-readable representation of data. They have expanded in complexity from the original data representation in varying widths and spacing of vertical lines to t...Quick Navigation GM V8 Tuning - Engine, Gas (Gen 5) Top. So threw some research I've found removing the active shutters inst as simple as it may seem. You have to keep the stepper motor and build a small bracket to keep it within limits effectively a hard stop. Then disable code P059F in diagnostics. If you don't keep the stepper motor hooked ...Sum total for repairs was $7,500, the majority being the CVT trans, which was $4,500. Other things included were spark plug change, bad coil back side of engine of course, active grille shutter, brake flush, coolant flush, new brakes, replacement of radar sensor, and tires. Might have been a few other small things in there.Quick Navigation GM V8 Tuning - Engine, Gas (Gen 5) Top. So threw some research I've found removing the active shutters inst as simple as it may seem. You have to keep the stepper motor and build a small bracket to keep it within limits effectively a hard stop. Then disable code P059F in diagnostics. If you don't keep the stepper motor … ….

When it comes to finding the perfect vehicle, it’s important to choose a dealership that not only offers a wide selection of high-quality options but also provides exceptional cust...• P059F – Active Grille Air Shutter 1 Performance • P05AE – Active Grille Air Shutter 2 Performance Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will beNov 28, 2015 · The code (s) and explanation (s) associated with this issue is/are: P059F The Engine and Transmission System is not performing as expected. An issue has been detected in the Engine Cooling System which monitors and controls engine temperature to maintain optimal operating temperatures and avoid overheating conditions. Nov 16, 2018 · 27 posts · Joined 2017. #1 · Nov 16, 2018. 2018 Equinox LT 1.5L Turbo with 21,000 miles. Wife's Equinox threw the P050F code (Brake Assist Vacuum Too Low) yesterday. Brakes were still working fine. I took it to the dealer today. Invoice states no vacuum leak found. Followed tech note #18-NA-300. Performed Engine Control Module Reprogramming ... June 21, 2022 by Jason. P059F is a relatively common OBD2 trouble code on Nissan-made vehicles, such as the Nissan Murano. If you have this code, your vehicle is equipped with an active grille shutter system. The active grille shutter system only lets air through the grille when needed, reducing your the drag coefficient at higher speeds.P059F Active Grille Air Shutter 1 PerformanceP00C7 Intake Air Pressure Measurement System - Multiple Sensors Not PlausibleP0236 Turbocharger Boost Sensor Per...This will help you narrow down your problem behind p069E in any Chevy Impala or Malibu 2013-2018OBD II Fault Code P17E0 : Description of Fault code P17E0. Possible failuer P17E0 Diagnostic Procedure using AutoHex II Scan Tool Test Conditions using AutoHex tester Clear Fault codes Conditions MIL Status P059f gmc code, Grille air shutter code P059f. RPO codes are now encoded in a 2d data-matrix code that can easily read by most modern smartphones. NOTE: If the MIL is ON with DTC P059F (ACTIVE GRILLE AIR SHUTTER A) stored in the ECM, refer to NTB14-009 in ASIST for additional information. 0 hour of labor. 0 hour of labor., Today's project calls for removing and replacing an active grille shutter on a 2018-22 Chevy Equinox. Here's a step by step guide on how to do it yourself!HO..., Ray, rbt the shutter assy is in GM parts on line part number 84363184. $221.13. The motor must be a part of the assy as it is not listed seperately. 2002 Silverado LS Ext cab long bed 5.3L 4x4 Z71. Like. Rbt Discussion starter., What Does the P059F Code Mean? The P059F code is a diagnostic trouble code (DTC) that indicates a problem with the Active Grille Air Shutter Performance (you can check also U11E9 Code – communication problem between the Engine Control Module (ECM) and the active grill shutter)., Save up to 50% with a 1800 Flowers Promo Code. 24 verified 1800 Flowers Coupon today ! PCWorld’s coupon section is created with close supervision and involvement from the PCWorld d..., Nov 28, 2015 · The code (s) and explanation (s) associated with this issue is/are: P059F The Engine and Transmission System is not performing as expected. An issue has been detected in the Engine Cooling System which monitors and controls engine temperature to maintain optimal operating temperatures and avoid overheating conditions. , If low ambient temperature is detected, the shutters will remain in the closed position. The Diagnostic Trouble Code (DTC) will be set if the desired Active Grille Air Shutter Position achieved has exceeded the number of attempts. P059F Chevrolet Code - Active Grille Air Shutter 1 Performance., Vehicles built before 3N1CE2CP(*)E(*) 407011 and January 3, 2014. IF YOU CONFIRM: The MIL is ON with DTC P059F (ACTIVE GRILLE AIR SHUTTER A) stored in the ECM. ACTION: 1. Compare the vehicle’s current ECM part number to those listed in Table A(see page 4). 2. If the ECM part number matches one listed in Table A, reprogram the ECM., Cause. This condition may be caused by the following conditions: 4787001. Moisture intrusion past damaged (1) and/or missing (2) seals located in the B9, M60B and/or X119 connectors for the ambient air temperature sensor wiring harness. Snow and/or ice buildup in the front lower grille area of the vehicle, which could prevent the active aero ..., The code (s) and explanation (s) associated with this issue is/are: P059F The Engine and Transmission System is not performing as expected. An issue has been detected in the Engine Cooling System which monitors and controls engine temperature to maintain optimal operating temperatures and avoid overheating conditions., Hunter62. 14381 posts · Joined 2017. #3 · Aug 6, 2020. sounds like a warranty issue, take it in now. 2017 Deep Woods Green ZR2 CCTruxedo Titanium/Sentry cover Go Rhino RB20 running boards, Falken AT3W P265/70/17 -Previously Toyo AT2 285/70/17 , 589FAB level Bull Rings, under carriage led lighting, Aux-Beam Ditch lights. White016., 2002 silverado 1500 4x4 5.3 l engine codes p0101 p0300 i have a 02 chevy silverado 5.3 liter 83000 mile replaced maf sensor o2 sensors before cat still getting p0101 and p0300 codes can anyone help me...; 2003 silhouette 3.4l P0101 125,000 miles Vehicle stalls and is very hard to start. Clear code and vehicle starts and runs fine. After about 40 miles …, It just might save you some time in diagnosing P2101. P2101 is a general OBD2 trouble code. It has the same meaning for the Chevy Silverado as it would any other vehicle. It is typically caused by wiring issues at the throttle actuator, or a bad throttle actuator itself. P2101 Definition: Throttle Actuator "A" Control Motor - Circuit Range ..., 2017 Nissan altima, Tenants can be sentenced to up to three years in jail. Cameroon is in the process of updating its 50-year-old penal code, and making some curious amendments. Tenants who are over t..., P059F Description. The active grille air shutter actuator closes louvers in the front grille to enhance vehicle aerodynamics in driving situations where cooling and A/C loads are relatively low and high levels of front end airflow are not required. If high levels of airflow are required the active grille air shutter actuator opens the louvers ..., Save on your password security with Keeper Security promo codes. Get the latest on Keeper Security promo codes, coupons, and May sale on PCWorld. PCWorld’s coupon section is create..., Part number is 23488119, but if you want to double-check before you order it's stamped on the module. The module is mounted on the rear side of a cross bracket, between the spare tire and the underside of the bed, so you'll need to drop the spare tire to get to it. Pretty easy to snap out and in after that., Reviews, rates, fees, and rewards details for The GM Business Card™. Compare to other cards and apply online in seconds Excellent Credit, Good Credit $0 Get the business card that ..., Razer promo codes from PCWorld | Find the best June discounts on gaming laptops, mice and mats, keyboards, keypads, and more with these Razer coupons. PCWorld’s coupon section is c..., Jul 27, 2022 · The control signal from the chassis control module, ignition, and ground circuits enables the active grille air shutter actuator to operate. If the conditions for opening the louvers are reached the chassis control module commands the active grille air shutter actuator to open the louvers. P059F Nissan Code - Active Grille Air Shutter Performance. , GMC Sierra 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L L87, 4.3L LV3, 2.7L L3B, or 3.0L LM2 Sierra 1500 2020 2021 ... When checking for DTC's, any combination of the following codes may be found: C15AA P001A P2B00 P2B01 P2B03 P2B96 P001B P003D P0107 P018C P01E5 P01E6 P01E7, OBDII Codes Engine Light Definitions Diagnostic Repair ..., Engine light 2020 gmc Acadia AT4 code is p059f what need to be done here … read more. Eric. 57,121 satisfied customers. I just had a code P133A show up. Check engine light came on. Good Morning! I just had a code P133A show up. Check engine light came on this morning and that was the code., P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module., The code (s) and explanation (s) associated with this issue is/are: P059F The Engine and Transmission System is not performing as expected. An issue has been detected in the Engine Cooling System which monitors and controls engine temperature to maintain optimal operating temperatures and avoid overheating conditions., What is the Cost to Diagnose the Code P059F 2015 GMC Sierra? Labor: 1.0. The cost to diagnose the P059F 2015 GMC Sierra code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 …, The P059F code is a diagnostic trouble code (DTC) that indicates a fault in the thermostat heater control circuit. The most common causes of this code include a faulty thermostat, a malfunctioning water pump, a defective engine coolant temperature (ECT) sensor, or a wiring issue. The thermostat is responsible for regulating the flow of coolant ..., Sum total for repairs was $7,500, the majority being the CVT trans, which was $4,500. Other things included were spark plug change, bad coil back side of engine of course, active grille shutter, brake flush, coolant flush, new brakes, replacement of radar sensor, and tires. Might have been a few other small things in there., Explanation of Codes. DTCs come in a string of five characters. One code for example, might be “P0806”. The first character will either be P (powertrain), B (Body-AC/Airbag), C (chassis-ABS) or U (network-CAN/BUS). This character will help you determine which of the four main car’s parts is at fault., P05xx OBD-II Trouble Codes (Speed / Idle Controls) This is the listing of P05xx OBD-II diagnostic trouble codes (DTCs). They all start with P05 (e.g. P0500, P0507, etc.), the first letter P designates they are powertrain related codes, the next digits 05 indicates they are vehicle speed controls and idle control systems related codes., A high failure rate of the small auxiliary battery in the trunk of the Chevrolet Malibu Eco models is the most common cause of a check engine light associate..., Code P059F GMC Description. The active grille air shutter system closes shutters in the front grille to enhance vehicle aerodynamics in driving situations where cooling and A/C loads are relatively low and high levels of front-end airflow are not required.