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June 15, 2021 Service bulletin

This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or...

Chevrolet technical service bulletin PIP5809 for 2020-2021 Chevrolet Silverado 1500, 2021 GMC Sierra 1500 and 2020 GMC Sierra 2500.

Bulletin number
PIP5809
Component
Air bags
Summary
This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. During inspection Technician may notice DTC P0300 (Engine Misfire Detected) active or stored in history. Customers may also comment that the check engine light was flashing while driving up a long grade or smooth road with steady throttle. This condition may be caused by the P0300 diagnostic falsely setting the DTC under certain driving conditions. Upon reviewing GDS data you may notice misfires being recorded on any cylinder but may be more noticeable on cylinders 1 and 6. Engineering is working on an updated calibration to address this concern.

Owners of these vehicles have filed 38 complaints in the airbags category.

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