P0A80
OBD-II Diagnostic Code
Severity: CriticalWhat it means
P0A80 is the definitive code telling you the hybrid battery pack needs replacement.
This is more severe than P0A7F (deterioration) — the battery has failed enough that the system flags it for replacement.
You have options: new OEM, remanufactured, or individual cell replacement.
Affected Models
- Toyota Prius
- Toyota Camry Hybrid
- Honda Civic Hybrid
- Honda Insight
- Ford Escape Hybrid
- Lexus hybrids
Common Causes
- Hybrid battery has reached end of life
- Multiple cells have failed
- Battery capacity is below minimum threshold
- Battery management system has flagged the pack for replacement
How to Fix It
-
Get a detailed battery diagnostic scan.
Before committing to replacement, get individual cell voltages tested.
Sometimes only 1-2 cells are bad and can be replaced individually ($500-$1000). -
Compare replacement options: new OEM vs remanufactured.
New OEM battery: $3,000-$6,000 with warranty.
Remanufactured: $1,500-$2,500 with 1-3 year warranty.
Individual cell replacement: $500-$1,000. -
Check warranty coverage.
Many hybrids have 8-year/100,000-mile battery warranties.
Some states (California) require 10-year/150,000-mile coverage.
Frequently Asked Questions
Is it worth replacing the hybrid battery?
It depends on the vehicle's value.
A Prius with 150,000 miles and a $2,000 battery replacement can easily run another 100,000 miles.
Compare the repair cost to the vehicle's value.
Can I sell a hybrid with P0A80?
Yes, but disclose the battery condition.
Some buyers and dealers specifically buy hybrids needing batteries because they know the repair is straightforward.