Internal Control Module Memory Check Sum Error
Verified1 source
1 source
- Official data (NHTSA)official_feed
What P0601 means
Caution — monitor closely
The control module has detected an internal memory checksum error.
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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Internal Control Module Memory Check Sum Error
What to check first
- Attempt a software re-flash of the module
- Replace the module if re-flash fails
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