What does code P1640 mean on Volkswagen vehicles?
The ECU detects an internal EEPROM memory error.
OBD-II Code Volkswagen
P1640 — Volkswagen — Internal Control Module EEPROM Error
The ECU detects an internal EEPROM memory error.
Common symptoms
- Multiple system faults
- drivability issues
Possible causes
- Defective ECU memory
Initial recommendation
Reprogram ECU or replace control module if necessary.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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