LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Toyota
>>
2004
>>
Prius
>>
Repair and Diagnosis (Single Page)
>>
Hybrid/Electric Powertrain
>>
Testing and Diagnosis
>>
Hybrid Control System - Diagnosis
>>
DTC P0A1D/165: Hybrid Powertrain Control Module, DTC P0A1D/168 Hybrid Powertrain Control Module, DTC P0A1D/198 Hybrid Powertrain Control Module, DTC P0A1P/199 Hybrid Powertrain Control Module
>>
Circuit Description
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Circuit Description
The HV control ECU performs self-checks to detect an internal operating malfunction in the ECU.
Fig 1: DTC P0A1D Circuit Description
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002