DTC P0607-47: Control Module Performance Bank 1 Watchdog/Safety MCU Failure; DTC P0607-87: Control Module Performance Bank 1 Missing Message [12/2022 - 03/2023]: Procedure

Pre-procedure1

• None.

• Clear the DTCs.

  Powertrain > Engine > Clear DTCs 

  Result

  Proceed to
  NEXT

Post-procedure1

• Turn the ignition switch off.

Result: 

NEXT 

See step  2

Pre-procedure1

• Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute.
• Connect the cable to the negative (-) auxiliary battery terminal.
• Turn the ignition switch to ON.
• Wait 1 second or more.

• Read the DTCs.

  Powertrain > Engine > Trouble Codes 

  Result

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

Post-procedure1

• None.

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS 

Refer to CHECK FOR INTERMITTENT PROBLEMS [12/2022 - ]

Result: 

B 

REPLACE ECM 

Refer to REMOVAL [12/2022 - 03/2023]