Subaru Ascent 2019–2020 — technical service bulletin
Bulletin 15-251-19 · NHTSA communication 10165548 · issued Sep 26, 2019
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
10
vehicle entries
Official summary
This Service Information Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. In most cases involving this DTC, the following scenario(s) occur: â ¢ When trying to use the remote engine starter (RES) feature through Telematics (STARLINK / My Subaru app) the request is unsuccessful and the red Telematics indicator lamp illuminates. â ¢ The customer takes their vehicle to the Retailer and the Technician finds the only code stored to be B2A16 in the DCM. â ¢ The Technician diagnoses the DTC per the applicable Service Manual trouble tree and replaced t
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.