FAULT CODE READING
OBD2 codes.
A code identifies a signal or system that needs to be checked, not a part you should replace.
Got an OBD2 Bluetooth adapter? Read the codes straight from your car.0 code entries · 1 related fault
P0A7F
- System
- Engine and transmission (P)
- Group
- Hybrid propulsion
- Code type
- Generic code: it means the same on every make.
Related faults in the database
Clogged hybrid battery cooling fan and filterHigh-voltage battery
- Engine / equipment
- Hybrid battery cooled with cabin air (intake next to the rear seat): Prius, Yaris, Auris, Corolla, C-HR, RAV4, Camry and others
- Period mentioned
- 2003 onwards
- Symptoms
- Hybrid battery cooling maintenance message, warning light with codes P0A80 or P0A7F, a noisy fan and less electric assistance; if ignored, the battery ages faster.
- Possible cause described
- Dust, pet hair or dirt block the filter and fan that cool the battery; so do objects covering the intake. Toyota USA issued bulletin T-SB-0074-20 (2003–2020 Prius and Camry, Corolla, Highlander, RAV4 and Mirai hybrids up to 2020) and recommends cleaning the filter every 5,000 miles (about 8,000 km).
- Check for the garage
- Clean or replace the filter and clean the fan before condemning the battery; keep the intake grille clear. At the garage, read the codes and, if needed, install the software Toyota specifies.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
Toyota technical bulletin T-SB-0074-20 (NHTSA): P0A80/P0A7F due to dust in the battery cooling fan and filterToyota tech tip T-TT-0432-17 (NHTSA): HV battery cooling filter maintenanceTustin Toyota: how often to inspect the hybrid battery air filter
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