Chevrolet Bolt Euv 2022 — technical service bulletin
Bulletin 22-NA-139 · NHTSA communication 10217118 · issued Jul 26, 2022
Technical service bulletin
communication type
Power Train
component
2022
model years
2
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated and/or Driver Information Center (DIC) Displays Service Transmission Now, Unable to Shift Soon or Service Transmission, Unable to Shift Message with DTC U1345 or U135A Set.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.