2018 Chevrolet Sonic Technical Service Bulletins

821 technical service bulletins (TSBs) are on record for the 2018 Chevrolet Sonic. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10143429Jun 11, 2018Electrical system, Engine. 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.
• 10143427Jun 8, 2018Equipment. 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.
• 10141371May 23, 2018Equipment, Electrical system. 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.
• 10141345May 4, 2018Fuel system, Engine. This Preliminary Information communication provides information to the technician about vehicles that may have a rough idle or misfire. Technician may find Diagnostic Trouble Code P0300 set in the Engine Control Module. Technician will need to utilize engine controls schematics to compare the Fuel Injector Control Circuit wire colors to determine if the wires are reversed. If this concern is found, inspect the…
• 10137599Apr 27, 2018Equipment. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
• 10137598Apr 26, 2018Electrical system, Equipment. 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.
• 10137559Apr 25, 2018Equipment. This bulletin provides information on approved warranty part numbers for original equipment batteries.
• 10137555Apr 24, 2018Transmission and drivetrain. This informational bulletin provides information for the 6-Speed manual transaxle (RPOs MF3, MR5, MR6, MZ0, MZ4, MZU) current service strategy for transmissions requiring internal repairs (ie: synchronizer, gear or bearing replacement) is to replace the unit as an assembly.
• 10137556Apr 20, 2018Electrical system. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
• 10137589Apr 19, 2018Engine cooling. This informational bulletin provides information for engine oil life monitor operation calculation.
• 10137565Apr 18, 2018Engine cooling. This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Oil Leak and/or Oil Burning Smell.
• 10137562Apr 13, 2018Visibility (wipers, defrost, mirrors). This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.
• 10137578Apr 10, 2018Equipment. This technical bulletin provides a procedure to replace the radio for vehicles with the condition of Radio Turns on Unwanted or Audio Mutes with Home or Left Track Skip Button Touch due to metallic particles may have fallen into the radio during assembly.
• 10137495Apr 10, 2018Equipment. 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.
• 10137558Apr 9, 2018Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10137554Apr 9, 2018Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10137560Apr 6, 2018Body and structure. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10137563Apr 5, 2018Equipment. This engineering information bulletin is requesting information from the field on vehicles that have the condition of Infotainment System Freezing and or Touch Screen Not Responding.
• 10137537Apr 4, 2018Equipment. This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
• 10137557Apr 3, 2018Equipment. This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
• 10137296Mar 29, 2018Electrical system. This technical bulletin provides a procedure to locate and repair a I/P wiring harness that may be pinched or contacting the tie bar frame and A-pillar.
• 10137383Mar 28, 2018Engine, Transmission and drivetrain. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10137386Mar 27, 2018Electrical system, Equipment. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off.
• 10137381Mar 26, 2018Tires. 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.
• 10137387Mar 16, 2018Electrical system. This informational bulletin provides information for the customer about the no sound coming out of the rear speakers.
• 10137380Mar 16, 2018Equipment. This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles.
• 10137189Mar 15, 2018Equipment. This Preliminary information communicates to the technician that GM is investigating a condition of a red OnStar LED. The technician is advised what DTC codes may be present, and not to replace any components at this time. Further information will be provided when the investigation is concluded.
• 10137185Mar 13, 2018Engine, Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have excessive oil consumption, blue smoke from the exhaust, or a Malfunction Indicator Lamp. Technician should inspect the PVC orifice for leaking oil or drawing a vacuum at idle. If the PCV orifice external port is leaking oil or vacuum, replace the camshaft cover assembly.
• 10137183Mar 13, 2018Equipment. 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.
• 10137385Mar 9, 2018Equipment. 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).
• 10137406Mar 8, 2018Electrical system, Equipment. This Technical bulletin provides a correction for Wi-Fi Hotspots or Data Sharing Feature Not Working once Turned on.
• 10137393Mar 8, 2018Equipment, Electrical system. This engineering information bulletin is requesting information from the field on vehicles that have the condition of Infotainment System Freezing and or Touch Screen Not Responding.
• 10137301Mar 8, 2018Equipment, Engine. This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.
• 10137178Mar 8, 2018Equipment. 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.
• 10137428Mar 7, 2018Electrical system, Equipment. This informational bulletin provides information for the customer to pair their phone in order for the push to talk button on the steering wheel control to work.
• 10137382Mar 7, 2018Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10139288Mar 1, 2018Equipment. 18048 - Service Update. Radio does not recognize the radio auxiliary port for audio devices. Reprogram radio with updated calibration.
• 10137297Mar 1, 2018Wheels, Brakes. This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 10137375Feb 28, 2018Electrical system. 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.
• 10137293Feb 28, 2018Electrical system, Back-over prevention (rear camera). This technical bulletin provides a procedure to locate and repair a I/P wiring harness that may be pinched or contacting the tie bar frame and A-pillar.
• 10137373Feb 27, 2018Engine cooling, Equipment. This informational bulletin provides information for dealers and technicians about the 1.4L turbocharged engine use two different suppliers for the oil filter housing which results in two different filters being used.
• 10137343Feb 27, 2018Engine. 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.
• 10137283Feb 27, 2018Transmission and drivetrain, Engine. 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.
• 10137338Feb 21, 2018Equipment. This informational bulletin explains to the technician not to replace parts if the codes listed have been set.
• 10137332Feb 15, 2018Equipment. This technical bulletin provides a procedure to replace the radio for vehicles with the condition of Radio Turns on Unwanted or Audio Mutes with Home or Left Track Skip Button Touch due to metallic particles may have fallen into the radio during assembly.
• 10137345Feb 13, 2018Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10137358Feb 12, 2018Engine. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Oil Leak and/or Oil Burning Smell.
• 10137348Feb 8, 2018Engine. This PI provides information to the technician that this is a normal condition and advises not to replace the engine for this reason.
• 10137314Feb 7, 2018Equipment. This technical bulletin provides a procedure to replace the radio to correct the condition of Intermittent White Radio Screen When Starting Vehicle and/or Radio Resets Shortly After Start-Up with a Phone Paired due to an internal radio concern.
• 10137276Feb 7, 2018Steering. This technical bulletin provides diagnostic and repair information to correct a customer concern of a steering drift or pull condition where the vehicle may appear to pull or drift in the direction of a road crown.

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