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

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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 (-) auxiliary battery terminal and wait for 1 minute.
Connect the cable to the negative (-) auxiliary 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 - ]