2018 Chevrolet IMPALA Manufacturer communications & TSBs.Page 8
Original record summaries, dates and identifiers for this model-year. Records 701–800 of 880, ordered newest first. Dated records on this page: Nov 17, 2017–Jul 3, 2018.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Jul 3, 2018Service Bulletin/Repair Instructions
PIC5260B
NHTSA communication ID: 10143752
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
NHTSA source summary · Original PDF not reviewed by Recallfolio
18186 - Customer Satisfaction Program. Certain 2018 model year Buick Enclave, Chevrolet Impala and Chevrolet Traverse vehicles, equipped with a 3.6L engine (RPO LFX or LFY), may have a condition where the piston oil control ring may have been damaged during installation. If this happened, it could lead to excess oil consumption in the combustion chamber and result in an engine misfire, a check engine light, and low oil levels. If the vehicle continues to be driven with an insufficient oil level, the engine could be severely damaged and the vehicle could lose propulsion. Dealers are to inspect cylinders 2, 4, and 6. If, during inspection, the technician sees evidence of cylinder wall scoring, (gouges), or a broken oil control ring is found, dealers are to replace the engine.
Source components: ENGINE · ENGINE AND ENGINE COOLING.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. This may be caused by a software concern in the Instrument panel Cluster(IPC). The dealer is instructed that engineering is working on a resolution to this concern and when it is available a bulletin will be published to inform the dealer of the repair. The dealer is instructed to advise the customer that until a repair is available for this concern changing the station/source or waiting until the song ends should recover the screen.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. This may be caused by a software concern in the Instrument panel Cluster(IPC). The dealer is instructed that engineering is working on a resolution to this concern and when it is available a bulletin will be published to inform the dealer of the repair. The dealer is instructed to advise the customer that until a repair is available for this concern changing the station/source or waiting until the song ends should recover the screen.
Source components: ELECTRICAL SYSTEM · EQUIPMENT · EQUIPMENT ADAPTIVE/MOBILITY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Smoke or Burning Odor from Underhood with Malfunction Indicator Lamp Illuminated with DTC P305F or P058D
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle. Technician should check the Human Machine Interface part number Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern if the Human Machine Interface part number ends in 8433. Technician should follow published Service Information diagnostic if the Human Machine Interface part number is not 8433.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to inspect the fuel system and replace the high pressure fuel pump if faulty for a Reduced Engine Power, MIL On, DTC P228C condition.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that when a phone does not charge properly or charging cycles is on and off rapidly when connected to the single port USB hub of the vehicle. Technician should check the Human Machine Interface part number Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern if the Human Machine Interface part number ends in 8433. Technician should follow published Service Information diagnostic if the Human Machine Interface part number is not 8433.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
Source components: STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
Source components: ENGINE · POWER TRAIN:AUTOMATIC TRANSMISSION.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking and it is determined that the oil or coolant is not coming from a leak above the spark plug then replace the cylinder Head, spark plug and coil.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the noise needs to be made prior to dis-assembly to help isolate to one area in the engine. There are four different steps to diagnosis the concern. This communication was updated to include the 2017 and 2018 model year.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM:SOFTWARE.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of Diagnostic Trouble Code P228C setting. The technician is to inspect the fuel and readings for the High Pressure Fuel Pump. The technician is to drain and clean fuel tank and all lines if contamination is found. The technician is to replace the high pressure fuel pump and the fuel inlet line to the high pressure fuel pump. The dealer is to request the customer complete the fuel survey attached and send to the fuel system engineer at the e-mail address provided. Latest revision added model years to the PI with no other changes. New revision adds model year and removes the customer surveys.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides repair information to correct a customer concern of vibration felt through the steering wheel, drivers and passengers seats or floor while vehicle in drive at idle.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the noise needs to be made prior to dis-assembly to help isolate to one area in the engine. There are four different steps to diagnosis the concern. This communication was updated to include the 2017 and 2018 model year.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have cold air blowing from the center console or cold air blowing from the wireless charging mat area. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
Source components: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to check the X2 or PPS sensor mat terminal connector for loose connections that may cause the airbag warning message to come on.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician with information regarding high misfire rates always on #1 cylinder. A customer may complain of misfires or roughness on cold start up with a P0300 diagnostic trouble code. Technician is to add coolant dye to the system and run the engine through warm up to circulate the dye. Pressurize the cooling system after a cold soak and inspect the cylinder with a bore scope for coolant dye. Dye is used to identify coolant over residual fuel being that might be left in the cylinder. The technician is not to replace the cylinder head as it will not correct this concern. In some cases it is necessary to remove the head for inspection. Do not replace the engine for small surface pock marks or a pitting appearance this is normal and do not connect to coolant passages. Usually if porosity is present there will be a break in the carbon ring. Only replace the engine if true porosity is found. Technician is to call Product Quality Center with the latest version of bulletin 02-07-30-029 if porosity is found and engine replacement is required.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
Source components: ENGINE · EQUIPMENT · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technician will need to perform a scan for Diagnostic Trouble Codes. Technician will need to follow published Service Information diagnostics if there are Diagnostic Trouble Codes present. If the concern is and intermittent this Preliminary Information communication will be updated with a repair. When the personalization selections are not missing from the Comfort and Convenience menu but they are missing from other menus such as the Climate and Air Quality, Collision/Detection Systems, and Lighting menus, refer to bulletin 17-NA-086. Memory seat adjustments may not be available tech will need to perform a Memory Seat Module replacement/programming.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..