DTC P0604 (Flash Code 62) Control Module Random Access Memory (RAM) (AWR6B45)

1. Transmission control system check

Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) diagnostic system check-transmission controls".

2. Current DTC check

1) Connect the scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to TCM replacement.

No

=>Go to Repair verification.

3. TCM replacement

Note

  • Perform programming after replacing the TCM.

Refer to "5.Transmission, Transaxle 5Z.Transmission Electrical Control(AWR6B45) TCM removal".

Refer to "5.Transmission, Transaxle 5Z.Transmission Electrical Control(AWR6B45) TCM installation".

Refer to "5.Transmission, Transaxle 5Z.Transmission Electrical Control(AWR6B45) TCM setting".

Procedure completion

=>Go to Repair verification.

4. Repair verification

1) Clear the DTC with a scan tool.

Note

  • The ECM sets DTC P0700 if the TCM sets emission related DTCs. Clear the ECM DTC after clearing the TCM DTC.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool.

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