Kia Niro 2011–2021 — technical service bulletin
Bulletin PS686 · NHTSA communication 10188137 · issued Feb 24, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2021
model years
23
vehicle entries
Official summary
PITSTOP/TECHNICAL OPERATIONS - SMOKE MACHINE NOT TO BE USED FOR EMISSIONS TESTING WITH HEV/PHEV MODELS - This Pitstop provides information to properly test the evaporative emissions system in all Kia 2011MY~ Hybrid (HEV) and Plug-In Hybrid (PHEV) model vehicles. A smoke machine should NEVER be used when testing the evaporative system in a HEV/PHEV model vehicle.
Vehicles covered
- 2017 Kia Niro
- 2018 Kia Niro
- 2019 Kia Niro
- 2020 Kia Niro
- 2021 Kia Niro
- 2018 Kia Niro PHEV
- 2020 Kia Niro PHEV
- 2019 Kia Niro Plug-In Hybrid
- 2011 Kia Optima Hybrid
- 2012 Kia Optima Hybrid
- 2013 Kia Optima Hybrid
- 2014 Kia Optima Hybrid
- 2015 Kia Optima Hybrid
- 2016 Kia Optima Hybrid
- 2017 Kia Optima Hybrid
- 2018 Kia Optima Hybrid
- 2019 Kia Optima Hybrid
- 2020 Kia Optima Hybrid
- 2017 Kia Optima PHEV
- 2018 Kia Optima PHEV
- 2019 Kia Optima PHEV
- 2020 Kia Optima PHEV
- 2021 Kia Sorento Hybrid
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.