DTC P0A7A-203: Generator Inverter Performance [11/2016 - ]: Procedure

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1)
Refer to PROCEDURE - Step 11

Result:

NG

See step 3

Result:

OK

See step 2
REPLACE INVERTER WITH CONVERTER ASSEMBLY
Refer to COMPONENTS [11/2016 - ]

NEXT

See step 5
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY
Refer to COMPONENTS [11/2016 - ]

NEXT

See step 4
REPLACE INVERTER WITH CONVERTER ASSEMBLY
Refer to COMPONENTS [11/2016 - ]

NEXT

See step 5

CHECK DTC OUTPUT (HYBRID CONTROL)

Check the other DTCs that were output together with DTC P0A7A-203.

Powertrain > Hybrid Control > Trouble Codes

Relevant DTC
P0A1A-517	Generator Control Module
P0A4C-518	Generator Position Sensor Circuit Range / Performance
P0A7A-122, 322, 324, 325	Generator Inverter Performance

NOTE:

DTC P0A7A-203 is stored after DTC P0A1A-517, P0A4C-518, P0A7A-122, 322, 324 and/or 325 is stored. After troubleshooting and repairing the malfunction which caused DTC P0A7A-203 to be stored, be sure to troubleshoot all the other DTCs.

Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2016 - 10/2017] or DIAGNOSTIC TROUBLE CODE CHART [10/2017 - ]