Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 735 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) - DTC P0234 - P0606)DTC P0605 - INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR
2021 Ford Edge SE, 4WD
DTC P0605 - Internal Control Module Read Only Memory (ROM) Error
2021 Ford Edge SE, 4WDSECTION DTC P0605 - Internal Control Module Read Only Memory (ROM) Error
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2019 Lincoln Navigator, 2019 Lincoln Nautilus, 2019 Lincoln MKZ, 2019 Lincoln MKT, and 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P0605 - INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR
| Description: The PCM ROM has been corrupted. | |||
Possible Causes:
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| Diagnostic Aids: Reprogram the vehicle identification (VID) block. Check for other DTCs or drive symptoms for further action. Check for aftermarket performance products. If it is necessary to install a new PCM, refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the (VID) Block for a Replacement PCM. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.