What does code P1696 mean on Hyundai vehicles?
A persistent EPROM memory fault is detected in the ECM affecting immobilizer operation.
OBD-II Code Hyundai
P1696 — Hyundai — Immobilizer ECM EPROM Persistent Malfunction
A persistent EPROM memory fault is detected in the ECM affecting immobilizer operation.
Common symptoms
- No start condition
Possible causes
- Faulty ECM
- corrupted EPROM data
Initial recommendation
Reprogram the ECM or replace it if reprogramming fails.
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.
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