P0601

DTC P0601 / P0602 / P0607: Internal Control Module Memory Check Sum Error / Control Module Programming Error / Control Module Performance

System Description
Internal control module is installed in ECM.

DTC Detecting Condition and Trouble Area

NOTE: After reprogramming of ECM is executed, if the DTC P0601 and/or P0602 are indicated, it is possible that the reprogramming of ECM is not completed correctly.

DTC Detecting Condition And Trouble Area:

DTC Confirmation Procedure
1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool.
3. Start engine and run it at idle if possible.
4. Check DTC.

DTC Troubleshooting

Step 1-3: