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GMC TSB #PIP5843
2021 GMC Sierra 1500
TSB Document:
Affected Component: EXTERIOR LIGHTING
- Summary
- This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF  P30C7 P30CB Setting.Â
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