P050d service bulletin

Service Bulletin Bulletin No.: 20-NA-014 Date: January, 2020 TECHNICAL Subject: Runs Rough Cold or Stall Condition Upon Cold Start and/or DTC P050D (North America Only) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Equinox 2018 2019 LYX All GMC Terrain 2018 2019 Involved Region or Country North America Only

This is demo meta description. You can enter here your meta description.GMC TSB PIP5472F. This preliminary information communication provides information to the technician related to vehicles that have a malfunction indicator lamp on. A technician may find diagnostic trouble code p050d set as current or history. The technician is advised to first perform the si diagnostic. That if the diagnostic fails to isolate ...A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. If service information for the P050D does not isolate the concern the following may be helpful. Misfires on start up only, with high rates always ...Chrysler has issued a service bulletin 18-001-10 to address a P050D Cold Start Rough Idle trouble code on the vehicles listed below. Do NOT perform normal … Replacement Service Bulletin Number: N/A. NHTSA Item Number: 10172811. Date Posted: February 26th, 2020. Component Name: 080000 FUEL SYSTEM, DIESEL. Make: CHEVROLET. Model: SILVERADO. Year: 2017. Date Added: March 30th, 2020. Summary: This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated ... GMC TSB PIP5628. A vehicle may come in with a misfire and DTCs P0300 - P0308 and/or P050D set. This preliminary information communicates information that will need to be provided to tac to aid in diagnosing if a vehicle comes in with misfire and dtc codes p0300 - p0308 and/or p050d.

Use a black light to confirm the liquid is coolant. If this concern is present, do not replace the cylinder head because that will not repair this concern. Call the Product Quality Center (PQC) per Service Bulletins 20-NA-138 (U.S.) or 16-NA-338 (Canada), if required, reference this bulletin and replace the engine. Rating: 3.5 (2 Votes) A 2016 - 2017 Corvette may experience a DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may …2014 Chevrolet Impala Technical Service Bulletins. Your path: TSB Home >> 2014 >> 2014 Chevrolet >> 2014 Chevrolet Impala The following TSB(s) may apply to your 2014 Chevrolet Impala. The source of the information below is the National Highway Transportation Safety Administration (NHTSA), which maintains TSBs for vehicles sold in the United States.If …In today’s digital age, creating a professional-looking church bulletin is easier than ever. With the abundance of free templates available online, you can design an eye-catching b... Follow the flow chart for the P0300 to validate that there is not an ignition or mechanical concerns with or without the P0300 set. When completing the flow P050D chart, be sure you are checking the injector balance rates while the engine is cold. Be sure to record the injector balance rates and attach to the work order.

Jun 26, 2020 · ALL 2014 - 2018 Silverados and GMC Sierras Get ready for a Repair ! This cold start issue will most likely effect most of these LT 5.3 liter trucks. It does... Some technicians may find DTCs P050D and/or P0300 setting on a cold start. Cause This condition may be caused by coolant getting into the cylinders. Correction Validation will be required for possible internal coolant leaking into the cylinders. Refer to the Service Procedure below.The following TSBs of GMC are related to DTC P050D. 2000 GMC Envoy Accessory Generator Outlet and Receptacle TSB Details …. 2000 GMC Envoy Engine TSB Details …. 2000 GMC Envoy Engine and Engine Cooling TSB Details …. 2000 GMC Envoy Engine Control Module TSB Details …. 2000 GMC G Series Engine TSB Details ….P050D AND/OR P0300 SETTING ON A COLD START AND/OR ENGINE RUNS ROUGH WHEN WARM WITH NO CODES TECHNICAL SERVICE BULLETIN Reference Number(s): 20-NA-166 , Date of Issue: Aug 21, 2020 Supercedes : This bulletin replaces PIP5498M. Please discard all copies of PIP5498. SERVICE INFORMATION

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The P050D stands for “Cold Start Rough Idle.” Some issues that could trigger the code include vacuum/intake leaks, a malfunctioning fuel injector, and …Jul 23, 2022 · There is a factory service bulletin for the following Chevrolet models: 2014-2018 Chevrolet Silverado 1500 Condition: A vehicle may have a concern about a DTC P050D setting along with a P0300 after a cold startup. White smoke and/or coolant odor may come from the exhaust for an extended period of time at a cold start as well. There is a preliminary info bulletin about failure to diagnose P050D. If normal diagnosis doesn't lead anywhere it says check the hydraulic lash adjuster. That's an 8 hour job and never became a full bulletin, just a preliminary info release. ... The Service Manual has removal tips for plugs that have seized with carbon or corrosion - loosen ...May 5, 2020 · 20-NA-098 Chevrolet Technical Service Bulletin. 20-NA-098. Chevrolet TSB 20-NA-098. Make: Chevrolet. Number: 20-NA-098. Title: Information on Fuel Injector Replacement Guidelines During Service, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, and/or P219B Set. Code P050D Description. During a cold start, the engine control module (ECM) commands dual-pulse mode during Open Loop operation to improve cold start emissions. In dual-pulse mode, the fuel injectors are energized twice during each injection event.

Service Bulletin Bulletin No.: 19-NA-218 Date: December, 2020 TECHNICAL Subject: Ticking Noise from the Engine This bulletin replaces PIP5606E. ... P0308, P050D GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or ...Code P0316 on a Ford means the power train control module detected a misfire shortly after startup. This code requires a check for appropriate technical service bulletins, as there... 2016 - 2017 Corvette: Service Bulletin: #PIP5498B: SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes 1378 August 16, 2017 Engine - Drivetrain 0 3591 #PIP5498B: SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes - (Aug 8, 2017) Subject: SES Lamp P050D P0300 Setting On A Cold Start this bulletin supersedes service bulletin 18-023-16 rev. a dated may 18, 2016, which should be removed from your files. all revisions are highlighted with **asterisks** and includes updated diagnostic trouble codes (dtcs) for 2014 and 2015 pf vehicles and labor operation. this service bulletin is also being released as rapid response2016 - 2017 Corvette: Service Bulletin: #PIP5498: SES Lamp P050D P0300 Setting On A Cold Start 1364 May 22, 2017 Engine - Drivetrain 0 2411 #PIP5498: SES Lamp P050D P0300 Setting On A Cold Start - (May 18, 2017) Subject: SES Lamp P050D P0300 Setting On A Cold Start Brand: Model: Model Year: VIN: Engine: Transmissi on: from to from toA Technical Service Bulletin (TSB) is a communication between Toyota and its dealerships that can serve as an update to Toyota publications, describe parts updates, or relay enhanced or new service procedures. Service procedures may explain diagnostic steps, implementation of recommended updates, or how to perform certain repairs. A TSB is not ...this bulletin supersedes service bulletin 18-023-16 rev. a dated may 18, 2016, which should be removed from your files. all revisions are highlighted with **asterisks** and includes updated diagnostic trouble codes (dtcs) for 2014 and 2015 pf vehicles and labor operation. this service bulletin is also being released as rapid responsethis bulletin supersedes service bulletin 18-043-15, dated may 09, 2015, which should be removed from your files. all revisions are highlighted with **asterisks** and include an updated symptom/condition list. help using the witech diagnostic application for flashing an ecu is available by selecting “help” then “help contents” at the top ofService Bulletins Letters and Instructions INDEX SSP-112-13 February 2022 652 Oliver Street Williamsport, PA 17701 U.S.A. Phone: Main Office U.S. and Canada Toll Free +1 (800) 258-3279 Direct +1 (570) 323-6181 Sales Department +1 (570) 327-7278 Facsimile +1 (570) 327-7101 Visit us ...07/18/17. NHTSA ID: 10108622. TSB ID: 16-NA-053. This 2016 chevrolet cruze new model features informational bulletin provides various general information topics to the service, parts and sales personnel in order to familiarize them with the vehicle. it has been revised to create 16-na-05.For More Info visit us at: http://1aau.to/h/ct3/Have a cold start rough idle? Do you have a check engine light giving codes P050D or P219A? These codes can b...aid service bulletin tp60-0120 - aid service letter tp61-0046: m83-6 : 1983-03-07: slick service bulletin 2-82: m83-5 : 1983-03-07: slick service bulletin 3-82: m83-3 : 1983-02-14: roto master (rajay) service letter 27 revision a dated september 24, 1982 and addendum thereto dated february 9, 1983 in response to faa ad 82-07-03.

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There is a factory service bulletin for the following Chevrolet models: 2014-2018 Chevrolet Silverado 1500 Condition: A vehicle may have a concern about a DTC P050D setting along with a P0300 after a cold startup. White smoke and/or coolant odor may come from the exhaust for an extended period of time at a cold start as well.1578 Technical Service Bulletins (TSBs) have been issued for the 2021 Chevrolet Silverado 1500.The P050D stands for “Cold Start Rough Idle.” Some issues that could trigger the code include vacuum/intake leaks, a malfunctioning fuel injector, and …Chevrolet TSB PIP5498M. This preliminary information communicates a vehicle may have a concern of dtc p050d setting along with a p0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause coolant getting into the cylinders, and provides direction for the repair.Information on Fuel Injector Replacement Guidelines During Service, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, and/or P219B Set. Attention: This bulletin applies to V6 and V8 Gasoline Engines ONLY. Service Procedure.There is a factory service bulletin for the following Chevrolet models: 2014-2018 Chevrolet Silverado 1500 Condition: A vehicle may have a concern about a DTC P050D setting along with a P0300 after a cold startup. White smoke and/or coolant odor may come from the exhaust for an extended period of time at a cold start as well.18-022-19 Jeep Technical Service Bulletin. Home Jeep18-022-19 Jeep TSB 18-022-19 Make: Jeep Number: 18-022-19 Title: Flash: 2.4L Powertrain Diagnostic And System Improvements ... PCM Internal Shutdown Timer Rationality. P0116 - Engine Coolant Temperature Sensor 1 Performance. P050D - Cold Start Rough Idle. P2172 - High …2017 - 2018 Corvette: Service Bulletin: #16-NA-296: Tire Performance and Characteristics

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Rating: 3.5 (2 Votes) A 2016 - 2017 Corvette may experience a DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may … These are usually accompanied with a P0300 and they can cause higher crankcase pressures. Bulletin No.: 20-NA-047 March, 2020 Page 3. Camshaft Cover Inspection, Cleaning and Orifice Replacement. Remove the camshaft cover and remove the PCV orifice and inspect for blockage. Replace the orifice as necessary along with the camshaft cover gaskets. 2016 - 2017 Corvette: Service Bulletin: #PIP5498: SES Lamp P050D P0300 Setting On A Cold Start2016 - 2017 Corvette: Service Bulletin: #PIP5498: SES Lamp P050D P0300 Setting On A Cold StartFor More Info visit us at: http://1aau.to/h/ct3/Have a cold start rough idle? Do you have a check engine light giving codes P050D or P219A? These codes can b...ALL 2014 - 2018 Silverados and GMC Sierras Get ready for a Repair ! This cold start issue will most likely effect most of these LT 5.3 liter trucks. It does...Apr 25, 2024 · 2016 - 2017 Corvette: Service Bulletin: #PIP5498B: SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes 1378 Rob Loszewski August 16, 2017 Engine - Drivetrain 0 3600 #PIP5498B: SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes - (Aug 8, 2017) A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. It may also Run rough when warm, slight knock, no codes setting. Cause. Coolant getting into the cylinders. Published date: 03/22/2018. PIP5498G SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes. Models. Attention: GM Technical Assistance continues to receive Dealer calls on a concern of DTC P050D and P0300 ,with the engine disassembled with a no trouble found. Correction:Buick TSB PIP5472. This preliminary information communication provides information to the technician related to vehicles that have a malfunction indicator lamp on. A technician may find diagnostic trouble code p050d set as current or history. The technician is advised that if the engine misfires during very specific cold start conditions, to ...A rough idle, or poor idle quality under cold start conditions, could be an indicator of a more serious problem. A code P050D should be addressed at your earliest convenience and considered severe. What are some of the symptoms of the code? Symptoms of a P050D engine code may include: Rich/lean exhaust; Cold start drivability issuesOBDII Codes Engine Light Definitions Diagnostic Repair ... ….

RECORD_ID: 4684739. Bulletin Number: PIP5596A. Replacement Service Bulletin Number: N/A. NHTSA Item Number: 10253061. Date Posted: March 4th, 2024. Component Name ...this bulletin supersedes service bulletin 18-023-16 rev. b dated june 02, 2016, which should be removed from your files. all revisions are highlighted with **asterisks** and includes updated diagnostic trouble codes (dtcs) for 2013 pf vehicles and labor operation. this service bulletin is also being released as rapid response transmittal (rrt ...Jeep TSB 18-061-16. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): P050D - Cold Start Rough Idle. U1424-00 - Implausible Engine Torque Signal Received. P0335 - Crankshaft Position Sensor ...A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. If service information for the P050D does not isolate the concern the following may be helpful. Misfires on start up only, with high rates always ... Service Bulletin Bulletin No.: 21-NA-104 Date: May, 2021 TECHNICAL Subject: Engine Control Module Calibration for DTC P050D Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Colorado 2020 2020 LGZ GMC Canyon 2020 2020 LGZ Involved Region or Country United States, Canada, Mexico, S. Korea Additional Options (RPOs ... The following TSBs of GMC are related to DTC P050D. 2000 GMC Envoy Accessory Generator Outlet and Receptacle TSB Details …. 2000 GMC Envoy Engine TSB Details …. 2000 GMC Envoy Engine and Engine Cooling TSB Details …. 2000 GMC Envoy Engine Control Module TSB Details …. 2000 GMC G Series Engine TSB Details ….Chrysler has issued a service bulletin 18-001-10 to address a P050D Cold Start Rough Idle trouble code on the vehicles listed below. Do NOT perform normal diagnostic on the battery, throttle body or fuel until you have performed the FLASH update listed below.Jeep TSB 18-061-16. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): P050D - Cold Start Rough Idle. U1424-00 - Implausible Engine Torque Signal Received. P0335 - Crankshaft Position Sensor ...PIP5472F GMC Technical Service Bulletin. Home GMCPIP5472F GMC TSB PIP5472F Make: GMC Number: PIP5472F Title: Short Duration Misfire, Rough Idle, Mil On During Cold Start, P050D Date: 3/4/2019 ... A technician may find diagnostic trouble code p050d set as current or history. The technician is advised to first perform the si diagnostic.PIP5472F GMC Technical Service Bulletin. Home GMCPIP5472F GMC TSB PIP5472F Make: GMC Number: PIP5472F Title: Short Duration Misfire, Rough Idle, Mil On During Cold Start, P050D Date: 3/4/2019 ... A technician may find diagnostic trouble code p050d set as current or history. The technician is advised to first perform the si diagnostic. P050d service bulletin, The police term “APB” stands for “all-points bulletin.” It is an alert from one police station to all others in the area with instructions about arresting a suspect or suspects. An..., Buick DTC P050D Related Service Bulletins. Home Diagnostic Trouble Code P050D Buick. 🔍. The following TSBs of Buick are related to DTC P050D. 2000 Buick Century Accessory Generator Outlet and Receptacle TSB Details …. 2000 Buick Century Engine TSB Details …. 2000 Buick Century Engine and Engine Cooling TSB Details …., TSB Date: January 22, 2021. Date Added to File: March 1, 2021. Failing Component: Engine (Pws) Summary: This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement., Aug 10, 2023 · Summary: This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Discuss it at Forum View This TSB. TSB Number: 12-00-89-003B. NHTSA Number: 10211658. , Follow the flow chart for the P0300 to validate that there is not an ignition or mechanical concerns with or without the P0300 set. When completing the flow P050D chart, be sure you are checking the injector balance rates while the engine is cold. Be sure to record the injector balance rates and attach to the work order., 2015-2018Tahoe. Summary: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. It may also Run rough when warm, slight knock, no codes setting., P050D. Definition: COLD START ROUGH IDLE. Description: The objective of the Dynamic Crankshaft Fuel Control (DCFC) is to reduce the fuel as much as possible during a cold start (open loop operation). The Powertrain Control Module (PCM) monitors the variation in CKP Sensor speed to determine engine idle roughness., My 2013 Silverado with the 5.3L V8 developed the same rough idle on start-up so many others have reported. 39,000 miles. No trouble codes and the rough idle only lasted a few seconds. After reading dozens of forums with multiple ideas I went with the cheapest/easiest first. Bought a can of throttle body cleaner and took off the throttle body …, In today’s digital age, the internet has revolutionized the way we search for jobs. Gone are the days of scouring newspapers and bulletin boards for job openings. With just a few c..., 2016 - 2017 Corvette: Service Bulletin: #PIP5498B: SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes. #PIP5498B: SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes - (Aug 8, 2017) ... Please be sure to first follow SI diagnostics then, if DTC P050D flow chart does not …, The 2016 GMC Sierra 1500 has 5 problems reported for rough idle. Average repair cost is $3,270 at 55,250 miles., This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and malfunction indicator lamp (MIL) is illuminated that may be caused by gelling of fuel in . Discuss it at Forum View This TSB. TSB Number: 16-NA-380 NHTSA Number: 10222779 TSB Date: September 14, 2022, A technician may find Diagnostic Trouble Code P050D set as current or history. The technician i . Communication Number: PIP5472F, Date: 2019-03-04 Category: 070000 FUEL SYSTEM, GASOLINE Summary: This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A ..., In today’s digital age, where communication is primarily done through social media platforms and online channels, it may seem old-fashioned to rely on printed materials like bullet..., These are usually accompanied with a P0300 and they can cause higher crankcase pressures. Bulletin No.: 20-NA-047 March, 2020 Page 3. Camshaft Cover Inspection, Cleaning and Orifice Replacement. Remove the camshaft cover and remove the PCV orifice and inspect for blockage. Replace the orifice as necessary along with the camshaft cover gaskets., Quote: Originally Posted by atterbud. I have a CEL P050D code pop up on the car over the past couple of weeks and checking with Onstar they tell me that the code shows "Ignore unknown DTC". I took the car to the dealer over the weekend to have them check it out and they told me that the history showed a "Rough idle" code and that it may need to ..., DTC P0446 Evaporative Emission Vent System PerformanceHow to fix P0446 EVAP Vent system performance code on a GM or Chevy truck. This is an updated bulletin..., A Technical Service Bulletin (TSB) is a communication between Toyota and its dealerships that can serve as an update to Toyota publications, describe parts updates, or relay enhanced or new service procedures. Service procedures may explain diagnostic steps, implementation of recommended updates, or how to perform certain repairs. A TSB is not ..., The following TSBs of Chrysler are related to DTC P050D. 2008 Chrysler 300 Automatic Transmission Control Module TSB Details …. Chrysler OBD-II Diagnostic Trouble Code (DTC) P050D Related TSBs., A rough idle, or poor idle quality under cold start conditions, could be an indicator of a more serious problem. A code P050D should be addressed at your earliest convenience and considered severe. What are some of the symptoms of the code? Symptoms of a P050D engine code may include: Rich/lean exhaust; Cold start drivability issues, Technical Service Bulletins (TSBs) for the 2021 Traverse are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common ..., 18-061-16 Jeep Technical Service Bulletin. Home Jeep18-061-16 Jeep TSB 18-061-16 Make: Jeep Number: 18-061-16 Title: Flash: Powertrain Diagnostic And System Enhancements Date: 8 ... P050D - Cold Start Rough Idle. U1424-00 - Implausible Engine Torque Signal Received. P0335 - Crankshaft Position Sensor Circuit. P1185 - General …, The following TSBs of Cadillac are related to DTC P050D. 2000 Cadillac Catera Engine TSB Details …. 2000 Cadillac Catera Engine and Engine Cooling TSB Details …. 2000 Cadillac DeVille Accessory Generator Outlet and Receptacle TSB Details …. 2000 Cadillac DeVille Engine TSB Details …., A P050d code is caused by an ECM (Engine Control Module) receiving a signal from the PCM that the engine started and is running extremely rough at idle. The PCM monitors the crankshaft position sensor input for a certain number of revolutions before it tells the ECM that the engine has started. If the engine does not reach this minimum ..., Service Bulletin. Bulletin No.: 20-NA-014. Date: January, 2020. TECHNICAL. Subject: Runs Rough Cold or Stall Condition Upon Cold Start and/or DTC P050D (North America Only) …, Home Diagnostic Trouble Code P050D Cadillac. 🔍. The following TSBs of Cadillac are related to DTC P050D. 2000 Cadillac Catera Engine TSB Details …. 2000 Cadillac Catera Engine and Engine Cooling TSB Details …. 2000 Cadillac DeVille Accessory Generator Outlet and Receptacle TSB Details …., RECORD_ID: 4681790. Bulletin Number: PIP5596A. Replacement Service Bulletin Number: N/A. NHTSA Item Number: 10253061. Date Posted: March 5th, 2024. Component Name: 030000 BRAKES (PWS). Make: CHEVROLET. Model: TRAVERSE. Year: 2019. Date Added: April 16th, 2024. Summary: This Preliminary information communicates that …, Information on Fuel Injector Replacement Guidelines During Service, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, …, Remove the cowl panel grille. Refer to WSM, Section 501-02. Clean the back of the cowl panel grille with a clean cloth. (Figure 3) Figure 3. Apply the leaf screen foam seal along the back of the cowl panel grille. (Figure 3) Remove and discard the drain hose from the right side of the cowl panel grille., A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. If service information for the P050D does not isolate the concern the following may be helpful. Misfires on start up only, with high rates always ..., P0304, P0305, P0306, P0307, P0308, P050D GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle., P0304, P0305, P0306, P0307, P0308, P050D GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle., The 2016 GMC Sierra 1500 has 5 problems reported for rough idle. Average repair cost is $3,270 at 55,250 miles.