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GMC TSB #PIP5481A
2017 GMC Sierra
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. The owner's manual advises not to drive above 45 MPH with a snowplow installed. However, GM Engineering is aware of the concern and is investigating.
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