Control Module Programming Error
The ECU is reporting that it is missing required calibration data — typically appears after a virgin module is installed but never coded/programmed for the vehicle, or after a flash that did not write all blocks.
Affected components
- Ecm
Common causes
- High likelihood: Replacement ECU not coded to vehicle
- Medium likelihood: Partial / interrupted flash
Possible symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.