P0604 (SOBDMC) - Internal Control Module Random Access Memory (Ram) Error
WARNING: This page is about a different car, the 2017 Lincoln MKZ, 2017 Ford Fusion, and 2017 Ford C-Max. However, it is still accessible from the selected car via links, so may be relevant.
P0604 (SOBDMC) - INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR
| Description: | This DTC sets when the TCM random access memory (RAM) has been corrupted. | ||
| Possible Causes: |
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| Diagnostic Aids: | Clear the SOBDMC DTCs. Repeat the self-test. If the DTC is retrieved again, install a new TCM. Refer to the Service Information, Automatic Transmission. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||