SFI SYSTEM, Diagnostic DTC:P0606

DTC Code DTC Name
P0606 ECM / PCM Processor

DESCRIPTION

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and set a DTC immediately.

DTC No. DTC Detection Condition Trouble Area
P0606

When either condition below is met:

(1 trip detection logic)


  • ECM main CPU error

  • ECM sub CPU error

 ECM

CAUTION / NOTICE / HINT

Tech Tips

Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE


  1. CHECK DTC


    1. Clear DTC Click here.

    2. Turn the power switch off.

    3. Disconnect the cable from the negative battery terminal and wait for 1 minute.

    4. Connect the cable to the negative battery terminal.

    5. Connect the intelligent tester to the DLC3.

    6. Turn the power switch on (IG).

    7. Turn the tester ON.

    8. Wait 1 second or more.

    9. Enter the following menus: Powertrain / Engine and ECT / DTC.

    10. Check DTC.

      OK
      P0606 is not present.

    OK

    CHECK FOR INTERMITTENT PROBLEMS Click here

    NG

    REPLACE ECM Click here