DTC P0602
Precautions: General safety (00)
DTC Detecting Condition and Trouble Area
NOTE:
After a reprogramming of ECM is executed, if DTC P0602 is indicated, it is possible that the reprogramming of ECM is not completed correctly.
| DTC detecting condition | Trouble area |
|---|---|
|
P0602: Control Module Programming Error ECM internal failure (data programming error). (1 D/C detection logic but MIL does not light up) |
•Reprogramming failure of ECM
•ECM power supply circuit and/or ground circuit •ECM |
DTC Confirmation Procedure
1)Set ignition “ON” for 1 min.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC recheck
1)Clear DTC.
2)Set ignition “OFF”.
3)Perform “DTC Confirmation Procedure”, and check DTC.
Is DTC P0602 still detected?
|
Go to Step 2.
|
Check for intermittent trouble.
|
| 2 |
ECM reprogramming check
Was reprogramming of ECM executed?
|
Execute reprogramming of ECM correctly again.
|
Go to Step 3.
|
| 3 |
ECM power and ground circuit check
1)Check ECM power and ground circuit.
Is check result OK?
|
Replace ECM and recheck DTC.
|
Repair or replace defective wire harness.
|