DTC P0601 [SJ6A-EL]

id050208800600

DTC P0601

Flash ROM malfunction

DETECTION CONDITION

• Flash ROM (in TCM) internal circuit malfunction is detected.
Diagnostic support note:
• The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle.
• A PENDING CODE is not available.
• FREEZE FRAME DATA is available.
• The AT warning light illuminates.
• The DTC is stored in the TCM memory.

POSSIBLE CAUSE

• TCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has the FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related Service Bulletins and/or on-line repair information availability.
• Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
No
Replace the TCM, then go to the next step.
3
VERIFY TROUBLESHOOTING OF DTC P0601 COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC from the memory using the M-MDS.
• Drive the vehicle in D range and make sure that gears shift smoothly from 1GR to 6GR.
• Is same DTC present?
Yes
Replace the TCM, then go to the next step.
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.