DTC P08A6-62: Gear Lever Position Sensor Signal Compare Failure [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 (HEALTH CHECK)

Pre-procedure1

Turn the ignition switch to ON.

Using the GTS, perform a Health Check.

Check for DTCs.

Result

Proceed to
NEXT

Post-procedure1

Turn the ignition switch off.

Result:

See step 2

CLEAR DTC

Pre-procedure1

Turn the ignition switch to ON.

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:

See step 3

CHECK DTC OUTPUT (PERFORM A REPRODUCTION TEST)

Pre-procedure1

Start the engine.
Depress the brake pedal and slowly change the shift state from N to R to N to D to M to the home position.
Press the P position switch to change the shift state to P.
Turn all switches off and turn the ignition switch off.
Disconnect the GTS.
Wait for 5 minutes or more with the door lock locked.
HINT:
- Once the door lock is locked, keep the electrical key transmitter sub-assembly (electrical key) 3 m (9.84 ft.) or more away from the vehicle.
- Because the system will not sleep while any door and/or the hood is open, take steps such as securing the courtesy switch to make the system recognize the doors and hood as closed when carrying out the operation.
- If the vehicle is equipped with a power back door, the system will not sleep if the back door is not closed. Ensure that the back door is closed before carrying out the operation.
Start the engine.
Depress the brake pedal and slowly change the shift state from N to R to N to D to M to the home position.
Press the P position switch to change the shift state to P.

Check for DTCs.

Powertrain > Transmission > Trouble Codes

Result

Result	Proceed to
Only P08A6-62 is output	A
P08A6-62 and other DTCs are output	B
DTCs are not output	C

Post-procedure1

Turn the ignition switch off.

Result:

REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to REMOVAL [10/2022 - ]

Result:

GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 08/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2023 - ]

Result:

CHECK FOR INTERMITTENT PROBLEMS

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]

Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [10/2022 - ]