DTC P0607-47: Control Module Performance Bank 1 Watchdog/Safety MCU Failure; DTC P0607-87: Control Module Performance Bank 1 Missing Message [11/2021 - 03/2022]: 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.

CLEAR DTC

Clear the DTCs.
Powertrain > Engine > Clear DTCs

Turn the ignition switch off.

Result

Proceed to
NEXT

Result:

See step 2

READ OUTPUT DTC (DTC P0607-47 OR P0607-87)

Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
Connect the cable to the negative (-) battery terminal.
Wait 1 second or more.

Read the DTCs.

Powertrain > Engine > Trouble Codes

Result

Result	Proceed to
DTCs are not output	A
DTC P0607-47 or P0607-87 is output	B

Result:

CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS [11/2021 - ]

Result:

REPLACE ECM. Refer to REMOVAL [11/2021 - ]