Data Link - Flash Memory Configuration Error
The engine control module has detected a flash memory error.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The computer in the vehicle can't read or write data properly from its memory, which could cause it to malfunction.
What the computer is actually seeing
The ECM (engine control module) registers a fault for flash memory access, indicating a writing or reading issue pertaining to stored data.
What a healthy reading looks like
No active faults or errors for memory access; should successfully read/write data without errors.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Check the battery voltage - should be between 12.4V to 12.7V. If below 12.4V, charge or replace battery.
- 22. Inspect wiring and connectors to the ECM for corrosion, breaks, or poor connections. Fix any found issues.
- 33. Run a software update or reset the ECM to see if the code clears. Use proper tools for flashing the ECM.
- 44. Monitor for return of the code post-update or reset. If code does not return, issue resolved; if it reappears, continue troubleshooting.
- 55. Consider checking the ECM itself for internal faults if the code persists. Ensure it is within manufacturer's specifications.
Common causes
- Corrupted flash memory
- Faulty ECM
- Poor electrical connections
- Recent firmware updates or software changes
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's not recommended to drive until resolved as it may lead to further issues.
What happens if I clear this code?
Clearing might temporarily fix the warning, but the underlying issue may return.
Why does this code appear after a software update?
Sometimes, software updates may not complete correctly, leading to memory access errors.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
Start guided diagnostic →