Jeep Compass 2022 — technical service bulletin
Bulletin 0900621 · NHTSA communication 10230146 · issued May 28, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
1
vehicle entries
Official summary
Incorrect Turbocharger Air Outlet Pipe Nuts This bulletin involves replacing the turbocharger air outlet pipe nuts. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P0299 - Turbocharger Underboost. The customer may also describe the following:An air leak noise from the engine compartment.
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.