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March 23, 2023 Service bulletin

Equipment: electrical

Cadillac technical service bulletin PIT5878C for 2023 Cadillac Lyriq and 2022-2023 GMC Hummer EV Pickup.

Bulletin number
PIT5878C
Component
Equipment: electrical
Summary
This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2023 HUMMER EV and the 2023 LYRIQ.

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