4-Speed Automatic Transmission

DTC P0602 / P1702: Control Module Programming Error / Internal Control Module Memory Check Sum Error

System Description
Internal control module is installed in ECM.

DTC Detecting Condition and Trouble Area





DTC Confirmation Procedure
1) Clear DTC.
2) Start engine and run it at idle if possible.
3) Check DTC.

DTC Troubleshooting

Step 1: