Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0A80 is a type A DTC.
Hybrid battery power is reduced to 0 Kw.
The battery cooling fan turns ON high speed.
The driver information center (DIC) displays the SERVICE HYBRID SYSTEM message.