Chevrolet Volt 2011–2015 — technical service bulletin
Bulletin PIC5667B · NHTSA communication 10151847 · issued Nov 15, 2018
Technical service bulletin
communication type
Steering
component
2011–2015
model years
5
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician to address a low voltage concern that causes a "Service Power Steering" message. Dealer will inspect the X50 auxiliary under hood fuse box for loose connections.
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.