Jeep Grand Cherokee 2026 — technical service bulletin
Bulletin S2607000001 · NHTSA communication 11027735 · issued Jan 14, 2026
Technical service bulletin
communication type
Engine
component
2026
model years
2
vehicle entries
Official summary
Coolant Has Abnormal Yellow Color
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.