DTC P0AFC-49: Hybrid/EV Battery Sensor Module Internal Electronic Failure [09/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR CONNECTION CONDITION (BATTERY VOLTAGE SENSOR)
See step 1
Result
Proceed to OK NG Result:
NG
CONNECT SECURELY
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (IGCT VOLTAGE)
See step 2
Result
Proceed to OK NG Result:
OK
REPLACE BATTERY VOLTAGE SENSOR. Refer to REMOVAL [09/2023 - ]
Result:
NG
See step 3
- CHECK HARNESS AND CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND)
See step 3
Result
Proceed to OK NG Result:
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR POWER SOURCE CIRCUIT)
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND)