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Chevrolet TSB #PIT5949B
2021 Chevrolet Suburban
TSB Document:
Affected Component: AIR BAGS
- Summary
- This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A set in the Restraints Module Engineering is currently working on a fix and in the meantime a customer can cycle the dome light switch on/off to correct the condition during that ignition cycle.
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