DTC P0606: ECM / PCM Processor [07/2020 - 05/2023]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Clear the DTCs.

   Powertrain > Engine > Clear DTCs 

5. Turn the Techstream off.
6. Turn the engine switch off.
7. Disconnect the Techstream.
8. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Connect the cable to the negative (-) battery terminal.
2. Connect the Techstream to the DLC3.
3. Turn the engine switch on (IG).
4. Turn the Techstream on.
5. Wait for 1 second or more.
6. Enter the following menus: Powertrain / Engine / Trouble Codes.

   Powertrain > Engine > Trouble Codes 

7. Read the DTCs.

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC P0606 is output	B

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [07/2020 - ] 

Result: 

B 

REPLACE ECM. Refer to  REMOVAL [07/2020 - 05/2023]