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RecallGazette

Vehicle problems, recalls & safety intelligence

Subaru Ascent 2001–2025technical service bulletin

Bulletin 15-308-23R · NHTSA communication 11024869 · issued Oct 28, 2025

Technical service bulletin
communication type
Electrical System
component
2001–2025
model years
60
vehicle entries

Official summary

This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts.

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.