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May 15, 2018 Service bulletin

Power train

Chevrolet technical service bulletin PIP5557B for 2018 Chevrolet Malibu, 2018 Chevrolet Equinox and 2018 Chevrolet Traverse and others.

Bulletin number
PIP5557B
Component
Power train
Summary
This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for the may not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern, to replace the plate as necessary.

Owners of these vehicles have filed 456 complaints in the transmission category.

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