Hyundai Tucson 2016–2021 — technical service bulletin
Bulletin 26-EM-014H TSB · NHTSA communication 11037434 · issued Sep 16, 2026
Technical service bulletin
communication type
Engine
component
2016–2021
model years
6
vehicle entries
Official summary
Some Tucson (TL) vehicles equipped with a 2.0L engine may exhibit a continued DTC P132600 after an ECM logic update has been performed per TSB 24-01-068H, Engine Monitoring Logic (Service Campaign 966). This bulletin provides instructions to inspect and resolve other engine mechanical issues and if DTC P132600 remains, then a procedure and manual mode passwords are given to perform the update again in manual mode to resolve this condition.
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.