P0601

DTC P0601 EEPROM-CHECK SUM ERROR

COMPONENT LOCATION:

GENERAL DESCRIPTION
This method is for fault detection in order to maintain for optimum condition.

DTC DESCRIPTION
TCU set this code, When input data is not available or ROM I.D. is changed.

DTC DETECTING CONDITION:

COMPONENT INSPECTION
1. Ignition "ON" & Engine "OFF".
2. Connect scan tool and select "Diagnostic Trouble Codes (DTCs)" mode.
3. Using a Scantool, Clear DTC.
4. IG OFF <-> IG ON (Repeat 2-3 times) and then Monitor the "DTC"
5. Is DTC Re-displayed?
YES
- Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
- Fault is intermittent caused by poor contact in the sensor's and/or TCM (PCM)'s connector or was repaired and TCM (PCM) memory was not cleared. And Go to Component inspection procedure.

NOTE: When replacing the TCU, must perform the N position learning and the Initial learning.

VERIFICATION OF VEHICLE REPAIR
After a repair, it is essential to verify that the fault has been corrected.
1. Connect scan tool and select "Diagnostic Trouble Codes (DTCs)" mode.
2. Using a Scantool, Clear DTC.
3. Operate the vehicle within DTC Enable conditions in General information.
4. Are any DTCs present?
YES
- Go to the applicable troubleshooting procedure.
NO
- System performing to specification at this time.