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February 22, 2019 Service bulletin

Hybrid propulsion system

Chevrolet technical service bulletin PIT5513J for 2016-2018 Chevrolet Silverado 1500, 2016 GMC Sierra 1500 and 2016-2018 Chevrolet Silverado 2500 and others.

Bulletin number
PIT5513J
Component
Hybrid propulsion system
Summary
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Control Module 1 and 2, Drive Motor Generator Battery Cooling Blower .

Owners of these vehicles have filed 136 complaints in the fuel system category.

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