Last Modified: 5-3-2010 6.4 C From: 200904
Model Year: 2010 Model: Prius Doc ID: RM000000OMD01IX
Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: P0AA6-526,P0AA6-611,P0AA6-612,P0AA6-
613,P0AA6-614: Hybrid Battery Voltage System Isolation Fault (2010 Prius)
DTC
P0AA6-
526
Hybrid Battery Voltage System Isolation Fault
DTC
P0AA6-
611
Hybrid Battery Voltage System Isolation Fault
DTC
P0AA6-
612
Hybrid Battery Voltage System Isolation Fault
DTC
P0AA6-
613
Hybrid Battery Voltage System Isolation Fault
DTC
P0AA6-
614
Hybrid Battery Voltage System Isolation Fault
DESCRIPTION
The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-
voltage system.
DTC
NO.
INF
CODE
DTC DETECTION CONDITION TROUBLE AREA
P0AA6 526(*1)
Insulation resistance between the high-voltage circuit and
the body has decreased.
Hybrid vehicle transaxle
assembly
Motor cable
Generator cable
Inverter with converter
assembly
Frame wire
No. 2 engine wire
Hybrid battery junction
block
Compressor with motor
assembly
HV battery
Battery smart unit