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September 3, 2019 Service bulletin

Equipment: electrical

Chevrolet technical service bulletin PIP5664A for 2020 Chevrolet Silverado 2500 and 2020 GMC Sierra 2500.

Bulletin number
PIP5664A
Component
Equipment: electrical
Summary
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.

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