DTC P085D-94: Gear Shift Control Module "A" Unexpected Operation [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (TRANSMISSION)
Pre-procedure1
- Turn the ignition switch to ON.
- Check for DTCs.
Powertrain > Transmission > Trouble Codes
Result
Result Proceed to Only P085D-94 is output A P085D-94 and other DTCs are output B
Post-procedure1
- Turn the ignition switch off.
Result:
A
REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to REMOVAL [10/2022 - ]
Result:
B
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 08/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2023 - ]