Service bulletins for the 2018 Chevrolet Bolt EV
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
819 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| PIT5074K | 2019-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel. |
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| 110849001Y | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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. |
| 16NA342 | 2019-03-25. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to check the rearview mirror coax connector for looseness by disconnecting and reconnecting the electrical connector and to correct the customers concern for the rearview mirror video screen displaying blue. |
| 060847001N | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. |
| 18NA153 | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. |
| 100089005H | 2019-03-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
| PIC6246A | 2019-03-11. Service bulletin. EQUIPMENT; ELECTRICAL 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. |
| PIC6239Q | 2019-03-11. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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. |
| PIC6247B | 2018-12-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Power Inverter Module for the 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. |
| PIC6252B | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. 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. |
| PIC6245B | 2018-12-17. Service bulletin. ELECTRICAL 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. |
| PIC6238B | 2018-11-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Cabin Heater Control Module part number 42539734 will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact for further assistance. |
| PIC6239N | 2018-11-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING. 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. |
| PIC6239M | 2018-10-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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. |
| 17297-03 | 2018-10-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 17297-03 - Customer Satisfaction Program (Service Procedure Revised). 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 high voltage battery pack. |
| 18125-01 | 2018-10-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 18125-01 - Customer Satisfaction Program (Service Procedure Revised). Certain vehicles may have a condition where the software will not detect the difference in the state of charge between the cell groups of the battery and over predict the indicated battery range. The current software may not provide sufficient warning prior to a battery cell low range condition, which may result in a loss of propulsion. Only certain vehicles will experience the battery low voltage cell condition. Reprogram hybrid powertrain control module 2. |
| PIC6239L | 2018-09-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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. |
| PIC6239K | 2018-08-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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. |
| 18125 | 2018-08-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 18125 - Customer Satisfaction Program. Certain vehicles may have a condition where the software will not detect the difference in the state of charge between the cell groups of the battery and over predict the indicated battery range. The current software may not provide sufficient warning prior to a battery cell low range condition, which may result in a loss of propulsion. Only certain vehicles will experience the battery low voltage cell condition. Reprogram hybrid powertrain control module 2. |
| PIC6239J | 2018-08-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. 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. |
| PIP5373B | 2018-08-06. Service bulletin. ELECTRICAL 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. |
| 18125 | 2018-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 18125 - Customer Satisfaction Program. Certain vehicles may have a condition where the software will not detect the difference in the state of charge between the cell groups of the battery and over predict the indicated battery range. The current software may not provide sufficient warning prior to a battery cell low range condition, which may result in a loss of propulsion. Only certain vehicles will experience the battery low voltage cell condition. Reprogram hybrid powertrain control module 2. |
| PIC6239H | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. 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. |
| PIT5399A | 2018-06-18. Service bulletin. EQUIPMENT; 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. |
| PIC6239G | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.