Chevrolet Silverado 2014 — technical service bulletin
Bulletin 13240 · NHTSA communication 10053225 · issued Jul 1, 2013
Technical service bulletin
communication type
Steering
component
2014
model years
2
vehicle entries
Official summary
Gm: the power steering control module can disable the power steering assist. This could cause increased steering effort at low speeds, a power steering dic message, and could set dtc c056d. This information is the procedure necessary to reprogram the power steering control module. *js
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.