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Service bulletins for the 2020 Chevrolet Spark

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
PIP5312B2019-12-09. Service bulletin. POWER TRAIN. 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.
PIP5548A2019-12-09. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician diagnostic tips on inspection of the magnets inside the transmission fluid pan of the CVT7 transmission to aid in determining if the transmission needs to be replaced or not.
990420002K2019-11-25. Service bulletin. POWER TRAIN. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
16NA3382019-11-25. Service bulletin. 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.
080730026F2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.

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