Chevrolet Silverado 2016–2019 — technical service bulletin
Bulletin PIP5504B · NHTSA communication 10167426 · issued Oct 3, 2019
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
20
vehicle entries
Official 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.
Vehicles covered
- 2017 Chevrolet Silverado
- 2018 Chevrolet Silverado 1500
- 2019 Chevrolet Silverado 1500
- 2016 Chevrolet Silverado 2500
- 2016 Chevrolet Suburban
- 2017 Chevrolet Suburban
- 2018 Chevrolet Suburban
- 2019 Chevrolet Suburban
- 2016 Chevrolet Tahoe
- 2017 Chevrolet Tahoe
- 2018 Chevrolet Tahoe
- 2019 Chevrolet Tahoe
- 2016 GMC Sierra Denali
- 2017 GMC Sierra Denali
- 2018 GMC Sierra Denali
- 2019 GMC Sierra Denali
- 2016 GMC Yukon Denali
- 2017 GMC Yukon Denali
- 2018 GMC Yukon Denali
- 2019 GMC Yukon Denali
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.