Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In – 2016-2020 Chevrolet & GMC

NHTSA ID Number: 10178367

Manufacturer Communication Number: PIP5504F

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.