Hyundai Tucson 2016–2017 — technical service bulletin
Bulletin 21-AT-005H · NHTSA communication 10188247 · issued Feb 12, 2021
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2016–2017
model years
2
vehicle entries
Official summary
This bulletin provides service information for a vehicle that exhibits DTC P0507 â Idle Speed Control (ISC) System â RPM Higher than expectedâ .
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.