Jeep Compass 2020–2023 — technical service bulletin
Bulletin 08-387-25 · NHTSA communication 11026541 · issued Dec 2, 2025
Technical service bulletin
communication type
Engine
component
2020–2023
model years
4
vehicle entries
Official summary
Not applicable to vehicles built for US market. Alternator Decoupler Pulley Failure Customers may experience one or more of the following: ● The alternator pulley may spin freely due to a decoupler failure. NOTE: This condition may cause the alternator not to charge the battery. ● Vehicle will not start due to a depleted battery. ● Battery symbol displayed in the Instrument Panel Cluster (IPC). ● Noise head from the alternator. This bulletin involves replacing the alternator pulley, belt and cap.
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.