2018 Chevrolet Bolt EV Technical Service Bulletins

819 technical service bulletins (TSBs) are on record for the 2018 Chevrolet Bolt EV. 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.

• 10163887Jul 11, 2019Back-over prevention (rear camera). This informational bulletin explains the normal operations of the back up cameras display on the radio.
• 10163659Jul 10, 2019Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact Partech and/or the Techline Customer Support Center for additional support.
• 10163657Jul 9, 2019Lane departure. This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view…
• 10163274Jun 26, 2019Steering, Equipment. This engineering informational PI ends the need for further information from the field on driving condition that causes the steering wheel to be off center and/or to pull to the right. If you encounter a vehicle with this condition, refer to SI for further diagnosis.
• 10163272Jun 26, 2019Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10163268Jun 26, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10163260Jun 25, 2019Equipment. This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
• 10163193Jun 25, 2019Equipment. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10162135Jun 17, 2019Transmission and drivetrain. This Preliminary information communicates that Engineering is currently investigating the cause of P0A3F. Advising the dealers to check connections. If nothing less found replace the power inverter module, the under-hood "engine" harness, and the transmission
• 10163263Jun 11, 2019Electrical system, Equipment. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
• 10163237Jun 10, 2019Engine cooling. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10162117Jun 10, 2019Electrical system. This Preliminary information communicates that Engineering is currently investigating the cause of P0A3F. Advising the dealers to check connections. If nothing less found replace the power inverter module, the under-hood "engine" harness, and the transmission
• 10162110Jun 4, 2019Equipment. This Preliminary Information communication advises the technician that the Drive Motor Battery and internal parts for the 2017 Bolt EV will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10162106Jun 3, 2019Electrical system. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2.
• 10161046May 28, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10161932May 21, 2019Engine cooling. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
• 10161968May 20, 2019Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10161019May 15, 2019Forward collision avoidance. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 10161952May 9, 2019Seats. This informational bulletin provides information for dealers/technicians on front seat back cover(s) loose near side air bag cover.
• 10161906May 9, 2019Tires. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
• 10161949May 8, 2019Electrical system. This technical bulletin provides a procedure to replace the HPCM2 to correct a condition of Loss of Propulsion.
• 10161929May 8, 2019Equipment. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10160987May 7, 2019Engine. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
• 10160983May 6, 2019Equipment, Engine. 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.
• 10161907May 2, 2019Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10160685Apr 24, 2019Electrical system, Engine, Transmission and drivetrain. This Preliminary information communicates that Engineering is currently investigating the cause of P0A3F. Advising the dealers to check connections. If nothing less found replace the power inverter module, the under-hood "engine" harness, and the transmission
• 10160682Apr 23, 2019Visibility (wipers, defrost, mirrors). 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.
• 10160666Apr 15, 2019Electrical system. This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa.org/
• 10160635Apr 3, 2019Electrical system. This Preliminary Information communication advises the technician that the (T18) Battery Charger for the Chevrolet Bolt EV will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10160634Apr 3, 2019Electrical system, Transmission and drivetrain. This Preliminary Information communication advises the technician that the Power Inverter Module for the Bolt EV parts restriction through the General Motors Technical Assistance Center has ended.
• 10160133Apr 2, 2019Equipment, Transmission and drivetrain. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
• 10160400Apr 1, 2019Electrical system. This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Power Line Communication Module (K190). The dealer technician is advised to call the GM Technical Assistance Center for further assistance before clearing code(s) or removing any parts.
• 10160399Apr 1, 2019Electrical system. This Preliminary Information communication advises the technician that the Power Line Communication Module (K190) will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10160398Apr 1, 2019Electrical system. This Preliminary Information communication advises the technician that the Accessory DC Power Control Module (K1) will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10160397Apr 1, 2019Transmission and drivetrain. This Preliminary Information communication advises the technician that the Hybrid Powertrain Control Module 2 will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10160396Apr 1, 2019Electrical system. This Preliminary Information communication advises the technician that the Generator Battery Control Wiring Junction Block (T24) will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10160135Apr 1, 2019Equipment. This informational bulletin provides information on proper use of floor mats.
• 10160132Apr 1, 2019Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10159565Mar 28, 2019Electrical system. 17297-04 - Customer Satisfaction Program. Certain vehicles may have a condition in which the cells within the battery pack have low voltage. This condition is related to the state of charge of the cell group. Eventually, the difference in the state of charge of the cell groups (average vs. minimum) may exceed a threshold. Replace the appropriate cell battery module.
• 10158864Mar 26, 2019Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10158859Mar 25, 2019Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10158855Mar 25, 2019Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10156951Mar 25, 2019Equipment. This Preliminary Information communication advises the technician that the Chevrolet Bolt EV Drive Unit (1ET25) and components will remain on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10158867Mar 22, 2019Equipment. This informational bulletin provides information on proper use of floor mats.
• 10158857Mar 22, 2019Equipment. This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports.
• 10158853Mar 22, 2019Tires, Brakes, Equipment. This informational bulletin provides information for dealers/technicians on when vehicle pulls to the left or right when regenerative braking paddle applied, and/or when brake pedal applied.
• 10158816Mar 20, 2019Electrical system. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
• 10156939Mar 19, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10158863Mar 15, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
• 10158862Mar 14, 2019Electrical system, Equipment. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.

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