Chevrolet Spark 2014–2020 — technical service bulletin
Bulletin PIP5312B · NHTSA communication 10168985 · issued Nov 26, 2019
Technical service bulletin
communication type
Power Train
component
2014–2020
model years
7
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about the operation or performance of the CVT7 transmission. When the transmission is at operating temperature torque converter lockup can occur as low as 8 mph and the range for lockup is 8-18mph depending on the throttle angle. The continuously variable transmissions are usually thought of as a no shift transmission however the CVT7 transmission has a high and low range made possible by the use of two clutch packs and one planetary gear 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.