Service bulletins for the 2015 Subaru XV CrossTrek
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
250 on file from NHTSA, as of 2026-10-19.
About P0A78 on the 2015 Subaru XV CrossTrek: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0A78 are shown. Show all
| 11-180-18 | 2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. HYBRID MODELS ONLY. This bulletin announces the availability of reprogramming files to optimize the ECM and address DTCs P0A78 and P1C2A. When either of these DTCs is stored, the Hybrid/HEV functions are inoperative. The new logic will prevent damage to the drive motor by adding a fail-safe feature for improved current level control. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.