This bulletin announces the availability of reprogramming files for the Central Electronic Control Module...
Subaru technical service bulletin 15-340-26 for 2026 Subaru Outback.
- Bulletin number
- 15-340-26
- Component
- Electrical system
- Summary
- This bulletin announces the availability of reprogramming files for the Central Electronic Control Module (C-ECM). The updated logic has been developed to address Diagnostic Trouble Code (DTC) B2A20 - LOST COMMUNICATION ETHERNET FROM DCM TO HU.
Owners of these vehicles have filed 6 complaints in the electrical category.
Vehicles covered
- Subaru Outback 2026 2026
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