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GMC TSB #PIP5644
2018 GMC Sierra 3500
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- This Preliminary information communicates Check Engine Light on and vehicle runs rough.  This condidtion will occur within the first 5 minutes after the vehicle is started.  his condition may be caused by a software anomaly that allows all four DTC's P0132, P0137, P0152, P0157 to set.  All 4 DTCs must be in history for this PI to apply.
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