Chevrolet Silverado 2017–2018 — technical service bulletin
Bulletin PIP5481A · NHTSA communication 10157013 · issued Sep 18, 2017
Technical service bulletin
communication type
Electrical System
component
2017–2018
model years
4
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.