B2A16 on the 2019 Subaru Impreza
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 18-226-25R | 2026-01-06. Service bulletin. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis). |
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| 15-251-19R | 2025-07-01. Service bulletin. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2025-05-02. Service bulletin. This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2025-03-04. Service bulletin. "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16." |
| 15-251-19R | 2024-09-04. Service bulletin. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2024-02-02. Service bulletin. This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2022-11-03. Service bulletin. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2022-01-04. Service bulletin. This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2021-11-02. Service bulletin. This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 15-251-19R | 2019-12-03. Service bulletin. "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. In most cases involving this DTC, the following scenario(s) occur: • 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. • The customer takes their vehicle to the Retailer and the Technician finds the only code stored to be B2A16 in the DCM. • The Technician diagnoses the DTC per the applicable Service Manual trouble tree and replaced the DCM." |
11 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.