DTC P0A1C-94: Drive Motor "B" Control Module Unexpected Operation [12/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (HYBRID CONTROL)
Pre-procedure1
- None.
- Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
Result
Result Proceed to Only P0A1C-94 is output A P0A1C-94 and other DTCs are output B
Post-procedure1
- Turn the ignition switch off.
Result:
A
REPLACE EV MOTOR CONTROL INVERTER ASSEMBLY. Refer to REMOVAL [12/2023 - ]
Result:
B
GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2023 - ]