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Service bulletins for the 2020 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.

601 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
17NA2992020-11-30. Service bulletin. TIRES:TREAD/BELT. This informational bulletin explains the self seal tires and whats required to fix a hole that would be too big for the tire to seal itself.
17NA0972020-11-30. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; EQUIPMENT. This service bulletin provides a procedure to apply butyl tape to the object sensing alert module brackets to correct a side blind zone not working correctly or Side Mirror Notification condition.
16NA2222020-11-30. Service bulletin. ENGINE. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
PIT5551F2020-11-16. Service bulletin. FORWARD 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".
110089005P2020-10-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
20NA1702020-10-26. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. This Technical bulletin provides a procedure to correct a customer concern of a Clicking Type Noise Heard Near Brake Pedal and/or I-Booster Under the Hood.
20NA1572020-10-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
18NA3062020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
16NA0192020-10-26. Service bulletin. POWER TRAIN. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
990089019U2020-10-05. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
20NA1592020-09-28. Service bulletin. TIRES. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
20NA1572020-09-28. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
18NA0992020-09-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
PIP5744C2020-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EQUIPMENT. This Preliminary Information communication advises the technician to a possible Drive Unit fluid plug leak that a dealer may find, it also addresses the locations of the plugs that the technician may need to inspect for the possible leak. The Preliminary Information addresses the procedures and tools recommended for the repair to address the leak and also advises the recommended sealant that is needed for the repair along with the Labor Operation Time with OLH (Other Labor Hours) time needed to perform the repair. Updated to reference A202309280 - Customer Satisfaction Program Oil Leak at Plugs of Drive Unit Assembly
PIP5744B2020-09-14. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician to a possible Drive Unit fluid plug leak that a dealer may find, it also addresses the locations of the plugs that the technician may need to inspect for the possible leak. The Preliminary Information addresses the procedures and tools recommended for the repair to address the leak and also advises the recommended sealant that is needed for the repair along with the Labor Operation Time with OLH (Other Labor Hours) time needed to perform the repair.
150089002B2020-09-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.
20NA1302020-08-31. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:REARVIEW MIRRORS/DEVICES. This informational bulletin provides information for customers and dealers/technicians on Message Illuminated in the DIC, DTC B094C (39) Set.
16NA3382020-08-31. Service bulletin. ENGINE; POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and 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 for Canadian Dealers only.
PIP5744A2020-08-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:SEALS/GASKETS. This Preliminary Information communication advises the technician
PIP57442020-08-10. Service bulletin. POWER TRAIN. This Preliminary Information communication advises the technician
PIC6372A2020-08-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the MSD (manual service disconnect) will need to be order only through WPC (warranty parts center) at this time until all stock has been checked and verified.
990089019T2020-08-10. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
110089005O2020-08-10. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
20NA1382020-08-10. Service bulletin. POWER TRAIN. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
20NA1322020-08-10. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.