Hyundai Santa FE 2013–2016 — technical service bulletin
Bulletin 5NP-F8N6C-10 · NHTSA communication 10082722 · issued Sep 23, 2016
Technical service bulletin
communication type
Engine
component
2013–2016
model years
4
vehicle entries
Official summary
"this bulletin provides information related to the engine control module (ecm) software update to prevent an increase in the catalyst temperature which may result in illumination of the malfunction indicator light with the following dtc(s): h p0171 - system too lean - bank 1. H p0420 - catalytic converter system, bank 1 - efficiency below threshold. In rare cases, there can be a reduction in engine power if the catalyst is restricted."
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.