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January 17, 2020 Service bulletin

Power train

Chevrolet technical service bulletin PIP5504C for 2018-2019 Chevrolet Silverado 1500, 2016-2020 Chevrolet Tahoe and 2017 Chevrolet Silverado and others.

Bulletin number
PIP5504C
Component
Power train
Summary
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians are referred to Torque Converter Diagnosis in SI.

Owners of these vehicles have filed 972 complaints in the transmission category.

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