DTC P091A-2B: Gear Shift Position Circuit "B" Range/Performance Signal Cross Coupled [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE USING GTS (ABSOLUTE ANGLE SENSOR 2 VALUE)
Pre-procedure1
- Turn the ignition switch to ON.
Procedure1
- Read the Data List according to the display on the GTS.
Powertrain > Transmission > Data List
Tester Display Absolute Angle Sensor 2 Value 1 Absolute Angle Sensor 2 Value 2 Result
Result Proceed to The difference between the value of Absolute Angle Sensor 2 Value 1 and Absolute Angle Sensor 2 Value 2 is 1.9 or less A None of the above conditions are met B Post-procedure1
- Turn the ignition switch off.
Result:
B
REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY (SHIFT ACTUATOR ECU). Refer to REMOVAL [11/2021 - ]
Result:
A
See step 2
- Turn the ignition switch to ON.
- CLEAR DTC
Pre-procedure1
- Turn the ignition switch to ON.
Procedure1
- Clear the DTCs.
Powertrain > Transmission > Clear DTCs
Result
Proceed to NEXT Post-procedure1
- Turn the ignition switch off.
- Disconnect the GTS.
- Leave the vehicle as is for 60 seconds or more.NOTE:
- Do not connect the GTS.
- Do not depress the brake pedal.
- Do not open/close any of the doors.
Result:
NEXT
See step 3
- Turn the ignition switch to ON.
- CHECK DTC OUTPUT
Pre-procedure1
- Turn the ignition switch to ON and wait for 1 minute or more.
Procedure1
- Check for DTCs.
Powertrain > Transmission > Trouble Codes
Result
Result Proceed to P091A-2B is not output A P091A-2B is output B Post-procedure1
- Turn the ignition switch off.
Result:
A
END
Result:
B
REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY (SHIFT ACTUATOR ECU). Refer to REMOVAL [11/2021 - ]
- Turn the ignition switch to ON and wait for 1 minute or more.