Jeep Compass 2023 — technical service bulletin
Bulletin 0901623 · NHTSA communication 10242834 · issued Jul 28, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
1
vehicle entries
Official summary
Incorrect Coolant Mix (Low Temp System) Rising temperature gauge with dash warning light and possible engine overheating cluster message. This bulletin involves draining the low temp coolant system and filling with new coolant.
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.