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MANUFACTURER DOCUMENTATION

Toyota Prius

Battery cooling-path diagnostic evidence.

Documented years: 2004–2020 liftback

Match the document’s model, years, engine, market and other conditions. This page does not establish every code the vehicle can display.

Diagnostic guides

Toyota Prius P0A80 and P0A7F: what cooling-fan debris does—and does not—prove

Understand Toyota's debris-related hybrid-battery case without mistaking fan cleaning for a guaranteed battery repair.

Manufacturer bulletins

The diagnostic guides above cite the supporting manufacturer documents. See the sources below for their scope.

Sources and scope

  1. T-SB-0074-20 — Battery cooling-path faults (2020-08-05)

    Toyota Motor Sales, USA · Checked 2026-10-30

  2. T-SB-0153-13 — 2004–2009 Prius debris case (2013-10-08)

    Toyota Motor Sales, USA · Checked 2026-10-30

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