The Lemon Index

Check engine light · Engine codes

P0A08: DC/DC Converter Status Circuit.

Powertrain · GenericP0A08
Fix soon
What it means

The part that charges the 12-volt battery from the hybrid battery has a fault.

How serious

Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.

Where a shop starts

Failed DC/DC converter. Then: wiring fault.

Owners named P0A08 in 5 complaints to the U.S. government, most often on the Toyota Prius.

Cars owners report it on

Complaints that name P0A08, by model. Raw counts, not a failure rate: popular models get more complaints.

Years owners report it on most: 2012 Toyota Prius

The details

What P0A08 means

The part that charges the 12-volt battery from the hybrid battery has a fault. The 12-volt battery can run down.

Can I drive with P0A08?

Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.

60% of the owner complaints that name P0A08 also say the car loses power or goes into limp mode. A complaint can describe more than one problem, so this doesn't prove the code caused it.

Common causes of P0A08
  • Failed DC/DC converter
  • Wiring fault

A shop should confirm the cause with a scan and tests before replacing parts.

What owners describe
  • Loses power or goes into limp mode: 60% of complaints

Share of complaints naming the code whose text also mentions each problem.

Model years that report P0A08 most

2012 Toyota Prius (2).

Related codes

P0A0A P0A43 P0A7F P0A80 P0A93 P0A94 P0AA6

Quick answers

What does P0A08 mean?

DC/DC Converter Status Circuit. The part that charges the 12-volt battery from the hybrid battery has a fault. The 12-volt battery can run down.

Can I drive with P0A08?

Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.

What causes P0A08?

Failed DC/DC converter; Wiring fault.

Counts: NHTSA owner complaints whose text names P0A08. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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